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Cisco 350-501 Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) Exam Practice Test

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Total 452 questions

Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) Questions and Answers

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Question 1

Refer to the exhibit.

A network engineer is implementing OSPF multiarea. Which command on interface GO/1 resolves adjacency issues in the new area?

Options:

A.

ip ospf network broadcast

B.

ip ospf network point-to-point

C.

ip ospf network non-broadcast

D.

ip ospf network point-to-multipoint

Question 2

Refer to the exhibit. An engineer configured several network devices to run REST APIs. After testing, the organization plans to use REST APIs throughout the network to manage the network more efficiently. What is the effect if this script?

Options:

A.

It returns an AAA users with the last name CiscoTest.

B.

It creates a class map named aaauser with traffic tagged from AAA.

C.

It queries the local database to find a user named aaaUser.Json

D.

It adds the user CiscoTest to the AAA database located at 192.168.201.10.

Question 3

Refer to the exhibit. A network engineer received a complaint about these problems in OSPF stub area 100:

  • The Ethernet link is down between routers RX and RY because the fiber was cut.
  • CE site A traffic to the hub site is being dropped.

Which action resolves these issues?

Options:

A.

Set the OSPF authentication type to MD5 between RX and RY DUMPS

B.

Change the OSPF area 100 type to stub on RZ.

C.

Change the OSPF priority to 100 on the interfaces that connect RX and RY.

D.

DUMPS Set the OSPF MTU to 1500 on the link between RX and RZ.

Question 4

A network engineer is testing an automation platform that interacts with Cisco networking devices via NETCONF over SSH. In accordance with internal security requirements:

NETCONF sessions are permitted only from trusted sources in the 172.16.20.0/24 subnet.

CLI SSH access is permitted from any source.

Which configuration must the engineer apply on R1?

Options:

A.

configure terminal

hostname R1

ip domain-name mydomain.com

crypto key generate rsa

ip ssh version 1

access-list 1 permit 172.16.20.0 0.0.0.255

netconf ssh acl 1

line vty 0 4

transport input ssh

end

B.

configure terminal

hostname R1

ip domain-name mydomain.com

crypto key generate rsa

ip ssh version 2

access-list 1 permit 172.16.20.0 0.0.0.255

access-list 1 permit any

netconf ssh

line vty 0 4

access-class 1 in

transport input ssh

end

C.

configure terminal

hostname R1

ip domain-name mydomain.com

crypto key generate rsa

ip ssh version 1

access-list 1 permit 172.16.20.0 0.0.0.255

access-list 2 permit any

netconf ssh

line vty 0 4

access-class 2 in

transport input ssh

end

D.

configure terminal

hostname R1

ip domain-name mydomain.com

crypto key generate rsa

ip ssh version 2

access-list 1 permit 172.16.20.0 0.0.0.255

netconf ssh acl 1

line vty 0 4

transport input ssh

end

Question 5

Refer to the exhibit:

R1 and R2 are directly connected with Fast Ethernet interfaces and have the above configuration applied OSPF adjacency is not formed. When the debug ip ospf hello command is issued on R1. these log messages are seen.

Which command can be configured on routers R1 and R2 on fO/O interfaces to form OSPF adjacency?

Options:

A.

ip ospf network non-broadcast

B.

ip ospf network point-to- multipoint non-broadcast

C.

ip ospf network point-to-point

D.

ip ospf network broadcast

Question 6

Why do Cisco MPLS TE tunnels require a link-state routing protocol?

Options:

A.

Link-state routing protocols use SPF calculations that the tunnel endpoints leverage to implement the tunnel

B.

The link-state database provides a data repository from which the tunnel endpoints can dynamically select a source ID

C.

The tunnel endpoints can use the link-state database to evaluate the entire topology and determine the best path

D.

The link state database provides segmentation by area, which improves the path-selection process

Question 7

Refer to the exhibit.

ASN 64501 currently reaches the networks under the 10.0.0.0/8 prefix via the North_B router, which is a slow backup link. The administrator of ASN 64502 wants traffic from ASN 64501 to 10.0.0.0/8 to travel via the primary link North_A. Which change to the network configuration accomplishes this task?

Options:

A.

Set a higher local preference between North_A and South_A

B.

Advertise the 10.0.0.0/8 prefix through North_B and specific subnets through North_A

C.

Set a Lower Weight value for incoming traffic on North_A

D.

Set a lower MED between North_B and South_B

Question 8

Refer to the exhibit.

Which show command should be implemented to display per-interface statistics about uRPF drops and suppressed drops?

Options:

A.

show ip traffic

B.

showip interface

C.

show cef interface

D.

show ip interface brief

Question 9

What is a constraint of Cisco MPLS TE tunnel configurations?

Options:

A.

Tunnels cannot span multiple OSPF areas.

B.

With ISIS as an IGP. only older-style metrics are used.

C.

Tunnels cannot be configured over IP unnumbered links.

D.

QoS-aware tunneling is not supported.

Question 10

Which core component of MDT describes the data that an MDT-capable device streams to a collector?

Options:

A.

subscription

B.

encoder

C.

sensor path

D.

transport protocol

Question 11

After a series of unexpected device failures on the network. a Cisco engineer is deploying NSF on the network devices so that packets continue to be forwarded during switchovers The network devices reside in the same holding, but they are physically separated into two different data centers Which task must the engineer perform as part of the deployment?

Options:

A.

implement OSPF to maintain the link-state database during failover.

B.

implement VRFs and specify the forwarding instances that must remain active during failover.

C.

implement an L2VPN with the failover peer to share state Information between the active and standby devices.

D.

implement Cisco Express Forwarding to provide forwarding during failover

Question 12

Refer to the exhibit. A network engineer with an employee ID 4379:43:595 is setting up an IS-IS network with these requirements:

  • Routes with a tag of 80 and IP prefixes other than 192.168.10.20/24 must be redistributed from Level 1 into Level 2.
  • Route leaking must be configured from Level 2 into the Level 1 domain for routes that are tagged with only 50 or 40.

Which configuration must be implemented on RB to meet the requirements?

Options:

A.

Add match tag 80 in route-map Ieak2-1

B.

DUMPS Add match ip address 152 in route-map redist1-2

C.

Remove match tag 40 from route-map Ieak2-1

D.

Change match tag 80 to match tag 50 in route-map redist1-2.

Question 13

Refer to the exhibit. A network operator is attempting to configure an IS-IS adjacency between two routers, but the adjacency cannot be established. To troubleshoot the problem, the operator collects this debugging output. Which interface are misconfigured on these routers?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 14

Refer to the exhibit.

A network operator working for a telecommunication company with an employee 3994:37:650 is implementing a cisco Unified MPLS solution. What is the effect of this implementation?

Options:

A.

EIGRP is deployed between the PEs and ABRs with RFC 3107.

B.

OSPF is deployed between the PEs and ABRs with RFC 3107.

C.

IS-IS is deployed between the PEs and ABRs with RFC 3107.

D.

BGP is deployed between the PEs and ABRs with RFC 3107.

Question 15

Refer to the exhibit.

An engineer applied a gRPC dial-in configuration on customer's router to provide connection multiplexing and two-way streaming. What does this configuration accomplish in a gRPC?

Options:

A.

It is the encoding requested by the gRPC server.

B.

IT is the encoding that is used for dial-in and dial-out.

C.

It is used for encoding with the default protocol buffers

D.

It is the encoding requested by the gRPC client.

Question 16

Refer to the exhibit:

Which effect of this configuration is true?

Options:

A.

R1 can support a peer that is configured for LDP SSO/NSF as the peer recovers from an outage

B.

R1 can failover only to a peer that is configured for LDP SSO/NSF

C.

R1 can failover to any peer

D.

R1 can support a graceful restart operation on the peer, even if graceful restart is disabled on the peer

Question 17

A company is expanding its existing office space to a new floor of the building, and the networking team is installing a new set of switches. The new switches are running IGMPv2, and the engineers configured them for VLAN10 only. The rest of the existing network includes numerous Layer 2 switches in multiple other VLANs, all running IGMPv3. Which additional task must the team perform when deploying the new switches so that traffic is switched correctly through the entire network?

Options:

A.

Configure the new switches to use IGMPv3 on all VLANs on the network.

B.

Configure all switches on the network to support IGMPv2 and IGMPv3 on all VLANs on the network.

C.

Configure the new switches to use IGMPv3 on VLAN10 only.

D.

Configure all switches on the network to support IGMPv2 and IGMPv3 on VLAN10 only.

Question 18

l

Refer to the exhibit. A network engineer working for a telecommunication company with an employee ID: 4602:62:646 is configuring security controls for the IPv6 multicast group, which is used for video TV. The solution from the engineer should reduce network usage and minimize the leave latency for the user that is connected to VLAN 76. Which two configurations meet this goal? (Choose two.)

A)

B)

C)

D)

E)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

E.

Option E

Question 19

What occurs when a high bandwidth multicast stream is sent over an MVPN using Cisco hardware?

Options:

A.

The traffic uses the default MDT transmit the data Only if it is a (S, G) multicast route entry.

B.

A data MDT is created if is a Multicast route entries

C.

A data and default MDT are created to flood the multicast stream of all PIM-SM neighbors.

D.

A data MDT is created to allow for the best transmit through the core for multicast route entries.

Question 20

Refer to the exhibit:

Which statement describes the effect of this configuration?

Options:

A.

It applies a service policy to all interfaces remarking HTTP traffic

B.

It creates an ACL named WEB that filters HTTP traffic.

C.

It matches HTTP traffic for use in a policy map

D.

It modifies the default policy map to allow all HTTP traffic through the router

Question 21

Refer to the exhibit.

An engineer is implementing BGP selective prefix suppression. The router must advertise only 10.16.4.0/24,10.16.5.0/24. and summarized route 10.16.0.0/21. and suppress 10.16.6.0/24. Which configuration must the engineer apply to the router?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 22

An engineer needs to implement QOS mechanism on customer's network as some applications going over the internet are slower than others. Which two actions must the engineer perform when implementing traffic shaping on the network in order to accomplish this task? (Choose two)

Options:

A.

Configure a queue with sufficient memory to buffer excess packets.

B.

Configure the token values in bytes.

C.

Implement packet remarking for excess traffic.

D.

Implement a scheduling function to handle delayed packets.

E.

Configure a threshold over which excess packets are discarded.

Question 23

Refer to the exhibit. A large service provider is migrating device management from Layer 2 VLAN-based to Layer 3 IP-based solution. An engineer must configure the ISIS solution with these requirements:

Network management server IP 172.16.10.1 must be advertised from the core MPLS network to the regional domain.

The external network 202.10.0.0/24 must not establish ISIS peering with the R5 router.

The regional network must prevent sending unnecessary hello packets and flooding the routing tables of the R5 router.

Which two ISIS parameters must be implemented to meet these requirements? (Choose two.)

Options:

A.

LSP lifetime maximum

B.

advertise-passive-only

C.

overload bit passive

D.

attached bit on ISIS instance

E.

passive-interface Loopback0

Question 24

Refer to the exhibit. An engineer must Implement a traceroute operation to verity the R1 point-to-multipoint LSP connections. The traceroute operation must return all labels and hop-by-hop IP addresses for destinations 10.20.0.1. 10.30.0.1, and 10.40.0.1. and the maximum number of hops is 4. Which command must be executed to meet the requirements?

Options:

A.

traceroute mpls traffic-eng tunnel-mte 10 ttl 4

B.

traceroute mpls traffic-eng tunnel-mte 10 responder-id 10.40.0.1

C.

traceroute mpls ipv4 10.30.0.1/32 fee-type generic

D.

traceroute mpls ipv4 10.20.0.1/32 ttl 4

Question 25

Drag and drop the methods of Cisco MPLS TE tunnel traffic assignment from the left onto their characteristics on the right.

Options:

Question 26

A network operator with an employee ID 4531 26:504 must implement a PIM-SSM multicast configuration on the customer's network so that users in different domains are able to access and stream live traffic. The IGMP version must be enabled to support the SSM implementation. Which action must the engineer perform on R1 to complete the SSM implementation?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 27

Refer to the exhibit. ISP_A is about to launch a new internet service. ISP_A is already providing MPLS VPN Layer 3 services to Customer_A and Customer_B, which are connected to ISP_A via OSPF. A network engineer completed the BGP and VRF configurations on R2 to support the new internet service. Which additional action completed the launch?

Options:

A.

Implement the BGP routing protocol in the customer VRFs on R1 and R2

B.

Import route-target 62:101 into the customer VRFs on R1 and R3.

C.

Enable the route-replicate command under the customer VRFs on R1 and R2

D.

Activate NAT CE in the customer VRFs on R1. R2. and R3.

Question 28

Refer to the exhibit:

After implementing a new design for the network, a technician reviews the pictured CLI output as part of the MOP.

Which two statements describe what the technician can ascertain from the ImpNull output? (Choose two.)

Options:

A.

Label 0 is used for the prefix displayed but will not be part of the MPLS label stack for packets destined for 192 168.10.10.

B.

Ultimate Hop Popping is in use for the prefix displayed.

C.

Label 0 is used for the prefix displayed and will be part of the MPLS label stack for packets destined for 192.168.10.10

D.

Penultimate Hop Popping is in use for the prefix displayed

E.

Label 3 is in use for the prefix displayed and will be part of the MPLS label stack for packets destined for 192.168.10.10

Question 29

A network architect must implement CSC VPN services for a new backbone carrier. Which two benefits does the architecture provide? (Choose two.)

Options:

A.

It maintains.a single backbone, which simplifies the VPN implementation to customers.

B.

It eliminates the need to maintain a centralized network-maintenance and operations strategy.

C.

It leverages IPsec to establish connections within the backbone. which eliminates the need for BGP to distribute routes.

D.

It supports a scalable growth strategy that services multiple customers efficiently

E.

It relies on IP communications, which simplifies the network design.

Question 30

A mod-size service provider uses L2VPN as its standard for connectivity between offices. A small company wants the service provider to connect the company’s two sites across the service provider core. To meet service requirements, the service provider must extend the layer 2 domain between the company’s two locations. Which configuration must the engineer apply to implement an attachment circuit between the two sites using a VLAN tag of 12?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 31

Refer to the exhibit.

A network engineer is configuring customer edge routers to finalize a L2VPN over MPLS deployment Assume that the AToM L2VPN service that connects the two CEs is configured correctly on the service provider network Which action causes the solution to fail?

Options:

A.

A loopback with a /32 IP address has not been used

B.

OSPF does not work with L2VPN services

C.

The xconnect statement has not been defined

D.

The routing protocol network types are not compatible

Question 32

Refer to the exhibit.

An engineer configured multicast routing on client's network. What is the effect of this multicast implementation?

Options:

A.

R2 floods information about R1 throughout the multicast domain.

B.

R2 is unable to share information because the ip pirn autorp listener command is missing.

C.

R1 floods information about R2 throughout the multicast domain.

D.

R2 is elected as the RP for this domain.

Question 33

Which two IS-IS parameters must match before two Level 2 peers can form an adjacency? (Choose two)

Options:

A.

authentication settings

B.

area ID

C.

system ID

D.

MTU

E.

hello timer setting

Question 34

Refer to the exhibit:

What does the REST API command do?

Options:

A.

It retrieves the information requested by Descriptions xml

B.

It removes the information identified by Descriptions xml

C.

It executes the commands specified in Descriptions xml

D.

It displays the information identified by Descriptions xml

Question 35

Which two routing protocols support Cisco MPLS TE tunnels? (Choose two.)

Options:

A.

IS-IS

B.

RIP

C.

BGP

D.

OSPF

E.

EIGRP

Question 36

An engineering team must implement Unified MPLS to scale an MPLS network. Devices in the core layer use different IGPs, so the team decided to split the network into different areas. The team plans to keep the MPLS services as they are and introduce greater scalability. Which additional action must the engineers take to implement the Unified MPLS?

Options:

A.

Redistribute the IGP prefixes from one IGP into the other routers to ensure end-to-end LSPs.

B.

Configure the ABR routers as route reflectors that redistribute IGP into BGP.

C.

Redistribute the IGP prefixes into another IGP to ensure end-to-end LSPs.

D.

Move the IGP prefixes into IS-IS as the loopback prefixes of the PE routers to distribute the prefixes to other routers to create end-to-end LSPs.

Question 37

An ISP Is Implementing end-to-end fault monitoring for a customer based on the IEEE 802.3ah standard. The solution must detect when 15 or more corrupted Ethernet packets arrive within 10 ms and stop propagating traffic through the ISP backbone network or to the customer side. Which configuration must the ISP engineer apply?

Options:

A.

ethernet oam link-monitoring enable

ethernet oam link-monitor crc-errors ingress time-window 10

ethernet oam link-monitor crc-errors ingress threshold high 15 ethernet oam link-monitor crc-errors egress time-window 10 ethernet oam link-monitor crc-errors egress threshold high 15 ethernet oam link-monitor high-threshold action shutdown-interface

B.

ethernet oam link-monitoring

ethernet oam link-monitor receive-crc window 15

ethernet oam link-monitor receive-crc threshold high 10

ethernet oam link-monitor high-threshold action disable-interface

C.

ethernet oam

ethernet oam link-monitor receive-crc window 10

ethernet oam link-monitor receive-crc threshold high 15

ethernet oam link-monitor transmit-crc window 10

ethernet oam link-monitor transmit-crc threshold high 15

ethernet oam link-monitor high-threshold action errordisable-interface

D.

ethernet oam link-monitoring global enable

ethernet oam link-monitor receive crc-errors period 15

ethernet oam link-monitor receive crc-errors limit 15

ethernet oam link-monitor transmit crc-errors period 10

ethernet oam link-monitor transmit crc-errors limit 15

ethernet oam link-monitor limit action error-disable interface

Question 38

What are two characteristics of MPLS TE turrets? (Choose two)

Options:

A.

They require EIGRP to be running in the core.

B.

They use RSVP to provide bandwidth for the tunnel.

C.

They are run over Ethernet cores only.

D.

The headend and tailend routes of the tunnel must have a BGP relationship

E.

They are unidirectional

Question 39

What is a characteristic of prefix segment identifier?

Options:

A.

It contains a router to a neighbor

B.

It contains the interface address of the device per each link

C.

It is globally unique.

D.

It is locally unique.

Question 40

Refer to the exhibit. Router BRDR-1 is configured to receive the 0.0.0.0/0 and 172.17.1.0/24 network via BGP and advertise then into OSPF area 0. An engineer has noticed that the OSPF domain is receiving only the 172.17.1.0/24 route and default router 0.0.0.0/0 is still missing. Which configuration must an engineer apply to resolve this problem?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 41

Which type of attack is a Protocol attack?

Options:

A.

HTTP flood

B.

TFTP flood

C.

SYN flood

D.

Slowlorls

Question 42

Refer to the exhibit:

What is the URL used for with REST API?

Options:

A.

It is used to contact a URL filter to determine the efficacy of a web address

B.

It is used to send a TACACS+ authentication request to a server

C.

It is used to send a message to the APIC to perform an operation on a managed object or class operator

D.

It is used to initiate an FTP session to save a running configuration of a device.

Question 43

Which function does RSVP perform in a Cisco MPLS TE environment?

Options:

A.

It establishes targeted LDP sessions between neighbors that are directly connected.

B.

It signals to LDP protocol along the path that a Cisco MPLS TE will be configured.

C.

It reserves bandwidth for LDP sessions between routers participating in a Cisco MPLS TE.

D.

It reserves the bandwidth along the path between the head-end and tail-end router.

Question 44

Which statement describes the advantage of a Multi-Layer control plane?

Options:

A.

It automatically provisions monitors, and manages traffic across Layer 0 to Layer 3

B.

It minimizes human error configuring converged networks

C.

It supports dynamic wavelength restoration in Layer 0

D.

It provides multivendor configuration capabilities for Layer 3 to Layer 1

Question 45

What is the difference between SNMP and model-driven telemetry?

Options:

A.

Telemetry allows for modeled network data to be pushed to the network administrator on an as-needed basis

B.

Telemetry uses traps and inform messages to deliver data to a network administrator on a polling basis

C.

SNMP uses the YANG data modeling language

D.

SNMP pushes network data to the network administrator whenever it is queried

Question 46

Refer to the exhibit:

A network engineer is implementing a BGP protocol. Which effect of the local-as keyword in this configuration is true?

Options:

A.

It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65012 and the VPNv4 address family

B.

It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65012 without additional configuration

C.

It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65112 and the VPNv4 address family

D.

It enables peer 192.168.1.2 to establish a BGP relationship with R1 using AS 65112 without additional configuration.

Question 47

Drag and drop the characteristics from the left onto the automation tool on the right.

Options:

Question 48

Refer to the exhibit:

What is significant about the number 2 in the configuration?

Options:

A.

It is the numeric name of the ACL that contains the list of SNMP managers with access to the agent

B.

It dictates the number of sessions that can be open with the SNMP manager

C.

It indicates two SNMP managers can read and write with the agent using community string cisco test

D.

It represents the version of SNMP running

Question 49

BGP has been implemented on a IOS XR router. Which configuration sends BGP IPv4 labels to build inter-domain LSPs?

Options:

A.

router bgp 65515 address-family ipv4 unicast neighbor 172.16.70.23 send-community extended

B.

router bgp 65515 no bgp default ipv4-unicast

C.

router bgp 65515 address-family ipv4 unicast neighbor 172.16.70.23 send-community

D.

router bgp 65515 neighbor 172.16.70.23 address-family ipv4 labeled-unicast

Question 50

Refer to the exhibit. Customers report occasional forwarding issues from hosts connected to R6 to hosts connected to R1. A network engineer has just updated the MPLS configuration on the network, and a targeted LDP session has been established between R1 and R5. Which additional task must the engineer perform so that the team can identify the path from R6 to R1 in case the forwarding issues continue?

Options:

A.

Configure an MPLS TE from R4 to R1 that routes through R5.

B.

Implement MPLS OAM within the network.

C.

Implement MPLS VPLS within the network.

D.

Configure MPLS LDP Sync on each router.

Question 51

Refer to the exhibit. The ISP is implementing a new hosting-as-a-service solution for its business customers. Service accessibility must be unique and separate for each customer. The network architect must ensure that multiple paths toward the hosting-as-a-service solution are always available. Basic protection against traffic black-holing on the MPLS network is required in case of link failure. Which two actions must the engineering team perform to meet the requirements? (Choose two.)

Options:

A.

Create the hosting-as-a-service VRF on router R4 and configure It with the route target both 65123:88 command.

B.

Configure the fast-reroute per-prefix command for the IS-IS protocol in the MPLS network and enable the BGP route-reflector feature on R2.

C.

Enable the VRF-Lite feature on router R4 and enable BGP address-family VPNv4.

D.

Configure the mpls Idp sync command in the MPLS network with the BGP additional-paths receive and additional-paths send options.

E.

Configure the fast-hello command under the IS-IS routing protocol with the BGP multipath 2 option enabled.

Question 52

Refer to the exhibit.

A network engineer with an employee id: 3812:12:993 has started to configure router R1 for IS-IS as shown. Which additional configuration must be applied to configure the IS-IS instance to advertise only network prefixes associated to passive interfaces?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 53

Guidelines

-

This is a lab item in which tasks will be performed on virtual devices.

• Refer to the Tasks tab to view the tasks for this lab item.

• Refer to the Topology tab to access the device console(s) and perform the tasks.

• Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window.

• All necessary preconfigurations have been applied.

• Do not change the enable password or hostname for any device.

• Save your configurations to NVRAM before moving to the next item.

• Click Next at the bottom of the screen to submit this lab and move to the next question.

• When Next is clicked, the lab closes and cannot be reopened.

Topology

Tasks

-

R1 and R2 are having issues forming an eBGP neighbor relationship. Troubleshoot and resolve the issue to achieve these goals:

1. Configure R1 and R2 to form a BGP neighborship using their Loopback interfaces.

2. Form the neighbor relationship using a BGP multihop mechanism. Use minimal values to solve the issue.

Options:

Question 54

Refer to the exhibit.

A Cisco engineer is implementing gRPC dial-out on an ASR. Receiver 192.168 1.1 will be assigned one of the subscriptions, and it will manage the ASR. Which command is needed to complete the router configuration?

Options:

A.

protocol grpc

B.

protocol all

C.

protocol tcp

D.

protocol any

Question 55

SIMULATION 4

Options:

Question 56

Refer to the exhibit:

Which statement describes this configuration?

Options:

A.

Router 1 has its running configuration locked so changes can be made only when the administrator issues a kill session

B.

Router 1 can be remotely managed by the CLI using Telnet

C.

Router 1 has a new data store to collect SNMP information, but configuration must still be done at the CLI only

D.

Router 1 has a temporary data store where a copy of the running configuration can be manipulated and verified before committing the configuration

Question 57

Refer to the exhibit. An engineer configured R6 as the headend LSR of an RSVP-TE LSP to router XR2, with the dynamic path signaled as R6-R2-R5-XR2. and set the OSPF cost of all links to 1. MPLS autotunnel backup Is enabled on all routers to protect the LSP. Which two NNHOP backup tunnels should the engineer use to complete the implementation? (Choose two.)

Options:

A.

The R6 backup tunnel path R6-R1-R4-R5.

B.

The R2 backup tunnel path R2-R5 across the alternate link.

C.

The R2 backup tunnel path R2-R1-R4-XR1-XR2.

D.

The R6 backup tunnel path R6-R2-R5

E.

The R6 backup tunnel path R6-R1-R2.

Question 58

Refer to the exhibit:

Which three outcomes occur if the prefix list is added to the neighbor? (Choose three)

Options:

A.

192.168 0.0/19 is denied.

B.

192.168 0.0/17 is denied.

C.

192.168 0.0/17 is permitted

D.

192.168.0.0/16 is denied

E.

192.168 0.0/16 is permitted

F.

192.168 0.0/19 is permitted

Question 59

An engineer is implementing IGMP with SSM on a multicampus network that supports video streaming. Which task must the engineer perform as part of the process?

Options:

A.

Configure the network to use IGMPv3.

B.

Configure the network to use bidirectional PIM.

C.

Configure an RP that uses static assignments only.

D.

Configure the network to use the PIM bsr-candidate

Question 60

When Cisco lOS XE REST API uses HTTP request methods what is the purpose of a PUT request?

Options:

A.

retrieves the specified resource or representation

B.

submits data to be processed to the specified resource

C.

updates the specified resource with new information

D.

creates a new resource

Question 61

Refer to the exhibit.

An engineer ran this show telemetry command to view subscription SUB11 on RouterX. The engineer then decided that RouterY should provide the same output lor sensor group SGroup13 as RouterX. The engineer cannot access RouterX to copy its configuration No access lists on the router block user access Which configuration must the engineer apply on RouterY to provide the same output from the show telemetry command?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 62

A network engineer is configuring RIP as the routing protocol between multiple PEs and CEs. The engineer must avoid advertising the same routes back to their sources. Which action should be performed on the routers to accomplish this task?

Options:

A.

Configure a different route distinguisher for each prefix.

B.

Define the site of origin on each interface.

C.

Define VRFs on each device to separate the traffic.

D.

Enable bidirectional forwarding detection on each device.

Question 63

A network engineer has configured TE tunnels in the MPLS provider core. Which two steps ensure traffic traverse? (Choose two.)

Options:

A.

Static routes is the only option for directing traffic into a tunnel.

B.

ECMP between tunnels allows RSVP to function correctly.

C.

Forwarding adjacency features allows a tunnel to be Installed in the IGP table as a link.

D.

The IGP metric of a tunnel is configured to prefer a certain path

E.

A tunnel weight is configured in SPF database the same way as a native link.

Question 64

An engineer is trying to implement BGP in a multihomed architecture. What must the engineer configure to influence inbound path selection?

Options:

A.

A route map with WEIGHT attribute to control the inbound traffic.

B.

An offset list to set the metric for routes received from neighboring autonomous systems.

C.

An access list to identify traffic and enable it on both of the provider-facing interfaces.

D.

A route map with AS_PATH attribute to control the inbound traffic.

Question 65

Which utility must be used to locate MPLS faults?

Options:

A.

QoS

B.

MPLS LSP ping

C.

MPLStraceroute

D.

EEM

Question 66

Drag and drop the LDP features from the left onto the correct usages on the right.

Options:

Question 67

Which two tasks must you perform when you implement LDP NSF on your network? (Choose two.)

Options:

A.

Enable NSF for EIGRP

B.

Enable NSF for the link-state routing protocol that is in use on the network.

C.

Disable Cisco Express Forwarding

D.

Implement direct connections for LDP peers

E.

Enable NSF for BGP

Question 68

Refer To the exhibit:

On R1, which output does the show isis neighbors command generate?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 69

Refer to the exhibit.

An engineer has started to configure a router for secure remote access as shown. All users who require network access need to be authenticated by the SSH Protocol.Which two actions must the engineer implement to complete the SSH configuration? (Choose two.)

Options:

A.

Configure an IP domain name.

B.

Configure service password encryption.

C.

Configure crypto keys

D.

Configure ACL 100 to permit access to port 22.

E.

Configure a password under the vty lines.

Question 70

Drag and drop the BGP Best Path Algorithm rules from the left into the corresponding order of importance on the right.

Options:

Question 71

Which protocol is used for communication between the PCE and PCC?

Options:

A.

ICMP

B.

PCEP

C.

CEF

D.

POP

Question 72

Which feature will an operator use while implementing MPLS TE on customer's network, to prevent an LSP from using any overseas inks?

Options:

A.

bandwidth

B.

affinity

C.

explicit path

D.

SLRG

Question 73

Refer to the exhibit. Which additional configuration must an engineer to the adge router to inject a default router into the MP-BGP address family for the internet_Shared_Services dedicated VRF?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 74

Refer to the exhibit.

Which configuration must be implemented on router R8 so that it will establish OSPF adjacency with R5?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 75

Which configuration modifies Local Packet Transport Services hardware policies?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 76

Refer to the exhibit. ISP A provides MPLS L3VPN service to customer A with BGP as the external routing protocol. Customer A has just opened a new branch office in London and requested the service provider to implement lossless service between its two offices. The LDP is enabled over the MPLS backbone and label exchange is working normally. Which action must the ISP engineering team take to enable the service?

Options:

A.

Configure LDP and redistribute the route from EIGRP.

B.

Configure BGP address family VPNv4.

C.

Configure IGP and redistribute the route from BGP.

D.

Configure IGP LDP synchronization

Question 77

Refer to the exhibit. A large organization is merging the network assets of a recently acquired competitor with one of its own satellite offices in the same geographic area. The newly acquired network is running different routing protocol than the company's primary network. As part of the merger a network engineer implemented this route map Which task must the engineer perform to complete the Implementation?

Options:

A.

Attach the route map to an IS-IS network statement to advertise the routes learned on this interface to IS-IS

B.

Enable metric style wide to allow the use of extended metrics from the protocols

C.

Attach the route map to the redistribution command to manipulate the routes as they are shared

D.

Configure an additional route map sequence to override the implicit deny at the end of the route map

Question 78

An engineer working for a private service provider with employee id: 3994 37 650 is configuring a Cisco device to redistribute OSPF into BGP. Which task enables the device to filter routes?

Options:

A.

Configure a distribute list and associate it to the BGP peer interface

B.

Configure a prefix list and associate it to the BGP peer interface

C.

Configure a route map and reference it with the redistribute command

D.

Configure an access list and reference it with the redistribute command

Question 79

What is a characteristic of MVPN?

Options:

A.

It bypasses the use of MPLS in the service provider core and transmits packets using IP only.

B.

It uses pseudowires to route unicast and broadcast traffic over either a service provider MPLS or IP core.

C.

It allows VRF traffic to use the service provider MPLS VPN to route multicast traffic.

D.

It creates GRE tunnels to route multicast traffic over a service provider IP core.

Question 80

Refer to the exhibit:

A network operator working for service provider with an employee id 3715 15:021 applied this configuration to a router.

Which additional step should the engineer use to enable LDP?

Options:

A.

Disable Cisco Express Forwarding globally

B.

Delete the static router ID

C.

Enable MPLS LDP on the interface

D.

Configure the both keyword to enable LDP globally

Question 81

Which capability does the MPLS TE FRR facility backup protection method provide?

Options:

A.

defining the set of characteristics for the backup TE LSP

B.

leveraging label stacking to protect selected TE LSPs using a single backup TE LSP

C.

creating a bypass LSP for each protected LSP at each point of local repair

D.

assigning a backup TE LSP tunnel to the protected node at the headend of the protected TE LSP

Question 82

Drag and drop the functions from the left onto the correct Path Computation Element Protocol roles on the right

Options:

Question 83

Refer to the exhibit. An engineer working for a private telecommunication company with an employee id: 3414:81:713 is implementing this network, in which:

Routers R1A and R1B are eBGP neighbors.

iBGP is configured within AS 65515 and AS 65516.

Network 192.168.2.0/24 is shared with AS 65516.

Router R3A has an iBGP relationship with router R2A only.

Router R2A has an iBGP relationship with routers R1A and R3A.

Which additional task must the engineer perform to complete the configuration?

Options:

A.

Configure router R2A to use the next-hop-self attribute when advertising the learned route to router R1A.

B.

Configure router R3A to redistribute route 192.168.2.0/24 into the configured IGP to advertise the prefix to router R1A.

C.

Configure router R2A as a route reflector to advertise the iBGP learned prefix from router R3A to R1A.

D.

Configure router R1A with a static route to 192.168.2.0/24 that is redistributed into BGP.

Question 84

Refer to the exhibit an engineer working for a private telecommunication company with an employee Id: 4065:96:080 upgrades the WAN link between routers ASBR-101 and ASBR-201 to 1Gb by Installing a new physical connection between the Gi3 Interfaces. Which BGP attribute must the engineer configure on ASBR-201 so that the existing WAN link on Gi2 Is maintained as a backup?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 85

Refer to the exhibit.

A network engineer notices that router R2 is failing to install network 172.16.33.1/32 in the routing table. Which configuration must the engineer apply to R2 to fix the problem?

Options:

A.

R2(config)# access-Iist 1 permit 172.16.33.0 255.0.0.0

B.

R2(config)# access-list 1 permit 172,16,33.0 255,255,255,0

C.

R2(config)# access-list 1 permit 172.16.33.0 0.0.0.255

D.

R2(config)# access-list 1 permit 172,16,33.0 255.255,0,0

Question 86

An engineer must implement QoS to prioritize traffic that requires better service throughout the network. The engineer started by configuring a class map to identify the high-priority traffic. Which additional tasks must the engineer perform to implement the new QoS policy?

Options:

A.

Attach the class map to a policy map that sets the minimum bandwidth allocated to the classified traffic and designates the action to be taken on the traffic.

B.

Attach the class map to a policy map that designates the action to be taken on the classified traffic and then attach the policy map to an interface using a service policy.

C.

Attach the class map to a policy map within a VRF to segregate the high-priority traffic and then attach the policy map to an interface in another VRF.

D.

Create a route map to manipulate the routes that are entered into the routing table and then attach the route map to an interface using a service policy.

Question 87

Refer to the exhibit:

Export statistics received do not include the BGP next hop.

Which statement about the NetFlow export statistics is true?

Options:

A.

Only the origin AS of the source router will be included in the export statistics.

B.

Loopback 0 must be participating in BGP for it to be included in the export statistics.

C.

The origin AS and the peer-as will be included in the export statistics.

D.

To include the BGP next hop in the export statistics, those keywords must be included with the version 9 entry.

Question 88

Refer to the exhibit.

What reestablishes the OSPF neighbor relationship between Router 1 and Router 2?

Options:

A.

authentication is added to the configuration

B.

correct wildcard mask is used on Router 2

C.

OSPF process IDs match

D.

hello intervals match

Question 89

Guidelines

-

This is a lab item in which tasks will be performed on virtual devices.

• Refer to the Tasks tab to view the tasks for this lab item.

• Refer to the Topology tab to access the device console(s) and perform the tasks.

• Console access is available for all required devices by clicking the device icon or using the tab(s) above the console window.

• All necessary preconfigurations have been applied.

• Do not change the enable password or hostname for any device.

• Save your configurations to NVRAM before moving to the next item.

• Click Next at the bottom of the screen to submit this lab and move to the next question.

• When Next is clicked, the lab closes and cannot be reopened.

Topology

Tasks

-

Configure and verify the OSPF neighbor adjacency between R1 and R2 in OSPF area 0 according to the topology to achieve these goals:

1. Establish R1 and R2 OSPF adjacency. All interfaces must be advertised in OSPF by using the OSPF interface command method. Use Loopback0 as the OSPF ID.

2. There must be no DR/BDR elections in OSPF Area 0 when establishing the neighbor relationship between R1 and R2. OSPF must not generate the host entries /32 for the adjacent interfaces.

3. Enable OSPF MD5 Authentication between both routers at the interface level with password C1sc0!.

Options:

Question 90

What is the function of Cisco NFV infrastructure platform?

Options:

A.

It does not have a security audit feature.

B.

It does not offer high availability.

C.

It offers consistent performance.

D.

It offers decentralized logging.

Question 91

Refer to the exhibit.

A network engineer must configure an LDP neighborship between two newly installed routers that are located in two different offices. Router 1 is the core router in the network and it has already established OSPF adjacency with router 2. On router 1 and router 2. interface fa0/0 is configured for BFD. Which additional configuration must the engineer apply to the two devices to meet the requirement?

Options:

A.

Router1(config)#int fa0/0 -

Router1(config-if)#mpls ldp autoconfig

Router2(config)#router ospf 1 -

Router2(config-router)#mpls ip

B.

Router1(config)#int fa0/0 -

Router1(config-if)#mpls ip -

Router1(config-if)#mpls ldp discovery transport-address interface

Router2(config)#int fa0/0 -

Router2(config-if)#mpls ip -

Router2(config-if)#mpls ldp discovery transport-address interface

C.

Route1(config)#int fa0/0 -

Router1(config-if)#mpls ldp autoconfig

Router1(config-if)#mpls ldp discovery interface

Router2(config)#router ospf 1 -

Router2(config-router)#mpls ldp autoconfig

Router2(config-if)#mpls ldp discovery interface

D.

Router1(config)#int fa0/0 -

Router1(config-if)#mpls ip -

Router2(config)#router ospf 1 -

Router2(config-router)#mpls ldp autoconfig

Question 92

A network engineer Is implementing a QoS policy for outbound management traffic classification and marking on a CPE device with these requirements:

• Management protocols must be marked with DSCP AF class 2 w4h low drop probability.

• Monitoring protocols must be marked with DSCP AF class 1 with low drop probability.

• All remaining traffic must be marked with a DSCP value of 0.

Which configuration must the engineer implement to satisfy the requirements?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 93

What are two features of stateful NAT64?

Options:

A.

It provides 1: N translations, so it supports an unlimited number of endpoints

B.

It provides 1:1 translation so it supports a limited number of end points

C.

It requires the ipv6 hosts to use either DHCPv6 based address assignments or manual address assignments

D.

It uses address overloading

E.

It requires IPv4 translatable IPv6 address assignments

Question 94

Refer to the exhibit.

Which type of DDoS attack will be mitigated by this configuration?

Options:

A.

SYN flood

B.

smurf attack

C.

SIP INVITE flood attacks

D.

teardrop attack

Question 95

You are testing the capabilities of MPLS OAM ping.

Which statement is true?

Options:

A.

MPLS OAM ping works solely with Cisco MPLS TE

B.

MPLS OAM ping works solely with P2P LSPs

C.

An LSP breakage results in the ingress MPLS router never receiving any reply

D.

An LSP is not required for the reply to reach the ingress MPLS router

Question 96

What is the function of the FEC field within the OTN signal structure?

Options:

A.

It allows the sending devices to apply QoS within the OTN forwarding structure.

B.

It allows source nodes to discard payload errors before transmitting data on the network.

C.

It allows receivers to correct errors upon data arrival.

D.

It allows deep inspection of data payload fields.

Question 97

Refer to the exhibit:

If router A is the RP, which PIM mode can you configure so that devices will send multicast traffic toward the RP?

Options:

A.

PIM-SM

B.

PI MM-DM

C.

BIDIR-PIM

D.

PIM-SSM

Question 98

How is RSVP used with MPLS traffic engineering tunnels?

Options:

A.

It assigns a tag to a packet as it travels through the tunnel.

B.

It removes and reassigns an MPLS label when the packet enters the tunnel.

C.

It reduces the CPU burden when a packet travels through the tunnel.

D.

It reserves bandwidth along the path of the tunnel.

Question 99

What are the two uses of the YANG data modeling language? (Choose two.)

Options:

A.

It is used to access a device by HTTP.

B.

It Is used to model the configuration used by NETCONF operations.

C.

It is used to shape state data of network elements.

D.

It Is used to replace RESTCONF as a mechanism to install and manipulate configuration.

E.

It is used to replace the OSI model for troubleshooting.

Question 100

An engineer working for telecommunication company with an employee id: 3715 15 021 needs to secure the LAN network using a prefix list Which best practice should the engineer follow when he implements a prefix list?

Options:

A.

An engineer must use non sequential sequence numbers in the prefix list so that he can insert additional entries later.

B.

The final entry in a prefix list must be /32

C.

An engineer must identity the prefix list with a number only

D.

An engineer must include only the prefixes for which he needs to log activity.

Question 101

Refer to the exhibit. Four midsize service providers provide access to different customers that use Layer 3 VPN services to enable communication across geographic regions. The service providers are connected as shown in the exhibit, and the PEs have established eBGP relationships. PE4 has an IBGP relationship with PE5. The routes that PE4 learns from PE5 must reach the other PE routers, but they are absent from the routing tables on the other PES. Which action should the engineers take to correct the problem?

Options:

A.

Configure a peering between all five Pes.

B.

Disable BGP synchronization on PE4.

C.

Enable BOP IPv4 unicast on PE4 and PE5

D.

Advertise the route targets for PE5 to the other PEs

Question 102

An engineer working for a private telecommunication company with an employe id:3948:613 needs to limit the malicious traffic on their network. Which configuration must the engineer use to implement URPF loose mode on the GigabitEthernet0/1 interface?

A)

B)

C)

D)

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 103

Simulation2

TOPOLOGY

Options:

Question 104

Refer to the exhibit.

What is the result of this configuration?

Options:

A.

Router 1 opens and closes a TCP connection to the TACACS+ server every time a user requires authorization.

B.

Router 1 and the TACACS+ server maintain one open connection between them only when network administrator is accessing the router with password ciscotest.

C.

Router 1 and the TACACS+ server maintain one open connection between them.

D.

Router 1 opens and closes a TCP connection to the TACACS+ server every time a user requires authentication.

Question 105

A network operator working for a telecommunication company with an employee Id: 4065 96080 it trying to implement BFD configuration on an existing network of Cisco devices Which task must the engineer perform to enable BFD on the interfaces?

Options:

A.

Disable Cisco Express Forwarding on the interfaces

B.

Disable SSO on the interfaces

C.

Remove any static routes that point to the interfaces

D.

Remove the log option from any ACLs on the interfaces.

Question 106

Refer to the exhibit. In the service provider network, routers PE1, PE2, and PE4 have access to the internet and provide access to customer networks. Router PE3 is used for access to other customer systems. In accordance with a new SLA, an engineer is updating settings on this network so that router CE1 accesses the internet via PE1 instead of PE2. Which two tasks must the engineer perform to complete the process? (Choose two.)

Options:

A.

On PE1, configure the internet VRF with import route target 102:102.

B.

On PE1 and PE4, configure the internet VRF with import route targets 102:102 and 104:104.

C.

On PE2, configure the internet VRF with import route target 102:102.

D.

On PE2 and PE3, configure the internet VRF with import route target 101:101.

E.

On PE2, configure the CE1 VRF with import route target 101:101.

Question 107

Which set of facts must the network architect consider when deciding whether to implement SaltStack or Chef?

Options:

A.

Chef is an agent-based on Ruby, and SaltStack is a module tool based on Python.

B.

Chef refers to its automation instructions as manifests, and SaltStack refers to its instructions as a playbook.

C.

Chef is written in Python, and SaltStack is written in Ruby.

D.

Chef uses a message-based system, and SaltStack uses an agent to deliver messages

Question 108

According to RFC5305 on IS-IS extensions for traffic engineering, what is the 4-octet sub-TLV type 10 of extended IS-IS reachability TLV type 22?

Options:

A.

TE default metric

B.

maximum reservable link bandwidth

C.

administrative group (color)

D.

IPv4 neighbor address

Question 109

Which fact must a network engineer consider when planning to deploy RSVP-TE FRR?

Options:

A.

The FRR backup tunnel reserves the total bandwidth of all protected tunnels

B.

FRR protects MPLS LDP and RSVP-TE LSPs.

C.

PLR prefers FRR NHOP backup tunnels over NNHOP tunnels.

D.

PLR prefers FRR NNHOP backup tunnels over NHOP tunnels.

Question 110

Which additional feature does MPLS DiffServ tunneling support?

Options:

A.

matching EXP and DSCP values

B.

interaction between MPLS and IGP

C.

using GRE tunnels to hide markings

D.

PHB layer management

Question 111

The network team is planning to implement IPv6 on the company’s existing IPv4 network infrastructure. The network currently uses IS-IS to share routes between peers. Which task must the team perform so that IS-IS will run in multitopology mode on the updated IPv6 network?

Options:

A.

Configure the links between the network routers as point-to-point.

B.

Configure the network routers to use metric-style wide.

C.

Configure the network routers as Level 2 routers.

D.

Configure the IS-IS IPv6 metric on the dual-stack links.

Question 112

Refer to the exhibit.

A network operator working for a telecommunication company with an employee ID: 4350:47:853 must implement an IGP solution based on these requirements:

• Subnet 10.50.10.0 traffic must exit through the R1 router to connect with the Syslog server.

• Subnet 10.50.20.0 traffic must exit through the R2 router to connect with the NTP server.

• In case of link failure between R2 and R4, traffic must be routed via R1 and R3.

Which two configurations must be implemented on R5 to meet these requirements? (Choose two.)

Options:

A.

Apply a route policy to redistribute 10.50.0.0 prefixes in OSPF to ISIS and ISIS to OSPF.

B.

Apply a route policy to redistribute 10.50.20.0 from ISIS-L2 to OSPF Area 0 at a higher cost.

C.

Enable a route policy to advertise 10.50.20.0 in ISIS-L2 at a higher cost.

D.

Apply a route policy to redistribute 10.50.10.0 from OSPF Area 0 to ISIS-L2 at a lower cost.

E.

Enable a route policy to advertise 10.50.10.0 In OSPF Area 0 at a low cost.

Question 113

In an MPLS network, which protocol can be used to distribute a Segment Prefix?

Options:

A.

OSPF

B.

LDP

C.

RSVP-TE

D.

EIGRP

Question 114

Refer to the exhibit. Router 1 and Router 2 were installed in the data center. Router 1 is the core router in the network, but it fails to establish an OSPF peering with Router 2. and customer traffic is unable to pass. Router 1 also reports an increase in CPU and memory usage. However, the CPU for R2 is stable. Which action resolves this issue?

Options:

A.

Disable Cisco Express Forwarding on Router 2.

B.

Change the transport mode to WAN on Router 1.

C.

Change the MTU to 1524 on Router 1.

D.

Enable MPLS on Router 2.

Question 115

Refer to the exhibit.

An engineer at a new ISP must configure many Cisco devices in the data center. To make the process more efficient, the engineer decides to automate the task with a REST API. Which action does this JSON script automate?

Options:

A.

Configure the IP address for the existing loopback interface.

B.

Configure a physical interface on the router with an IP address and then create a loopback interface.

C.

Configure a physical interface on the router with an IP address.

D.

Delete the existing loopback Interface and replace it with a new loopback interface.

Question 116

What is a role of NSO?

Options:

A.

It automates the deployment of access points with its built-in wireless LAN controller.

B.

It manages WAN infrastructure using a virtual switch.

C.

It provides full lifecycle management of a device.

D.

It resides on a hypervisor that runs the Windows OS.

Question 117

A network architect décides to expand the scope of the multicast deployment within the company network the network is already using PlM-SM with a static RP that supports a high-bandwidth. video-based training application that s heavily used by the employees, but excessive bandwidth usage is a concern How must the engineer update the network to provide a more efficient multicast implementation'?

Options:

A.

Configure IGMP to manage the multicast hosts on each LAN

B.

implement BSR to support dynamic RP notification.

C.

Deploy ICMP to Improve multicast reachability across the network using static RP.

D.

Implement STP to improve switching performance for multicast data.

Question 118

What is an enhancement that Cisco IOS XE Software has over Cisco IOS Software?

Options:

A.

It support symmetric multiprocessing

B.

It allows all processes to use the same pool of memory.

C.

It runs on a 32-bit operating system.

D.

It is built on a GNX Neutrino Microkernel.

Question 119

Which two PHY modes are available to implement an IOS XR Gigabit Ethernet interface interface? (Choose two.)

Options:

A.

SONET

B.

MAN

C.

WDWM

D.

LAN

E.

WAN

Question 120

An engineer is implementing MPLS to monitor within the MPLS domain. Which must the engineer perform to prevent packets from being forwarded beyond the service provider domain when the LSP is down?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 121

Refer to the exhibit A network engineer is in the process of implementing IS-IS Area 1 and Area 2 on this network to segregate traffic between different segments of the network The hosts in the two new areas must maintain the ability to communicate with one another In both directions. Which additional change must be applied?

Options:

A.

Reconfigure either R3 or R4 as a Level 1/Level 2 router.

B.

Reconfigure routers R1, R2 R5. and R6 as Level 1/Level 2 routers.

C.

Reconfigure routers R2 and R5 as Level 1/Level 2 routers.

D.

Reconfigure routers R4, R5 and R6 as Level 1 routers

Question 122

Refer to the exhibit.

Which task completes the configuration?

Options:

A.

Specify the maximum number of prefixes that R1 receives from neighbor 192.168.1.2.

B.

Specify the source interface in the neighbor statement.

C.

Specify the activate neighbor 192.168.1.2 under the IPv4 address family.

D.

Specify the local-as value in the neighbor statement.

Question 123

A service provider requires continuous real-time network monitoring to provide reliable SLAs to its customers. To satisfy this requirement, a network administrator is implementing gRPC dial out on an ASR with TLS. Receiver 192.168.10.2 will be assigned one of the subscriptions, and it will manage the ASR. Which configuration must the engineer apply to the router as part of the configuration process?

Options:

A.

snmp-server community public

snmp-server enable traps

snmp-server host 192.168.10.2 version 2c public.

B.

telemetry model-driven

destination-group DGroup1

address family ipv4 192.168.10.2 1 port 10

encoding self-describing-gpb

C.

snmp-server community public

snmp-server enable traps

snmp-server enable traps snmp authentication

snmp-server manager

snmp-server manager session-timeout 1000

D.

telemetry model-driven

destination-group ciscotest

address family ipv4 192.168.10.2 port 10

encoding self-describing-gpb

protocol grpc tis-hostname ciscotest.com

Question 124

Which statement about Network Services Orchestrator (NSO) is true?

Options:

A.

It is used only in service provider environments

B.

It can be used only with XML coding

C.

It uses YANG modeling language to automate devices

D.

It must use SDN as an overlay for addressing

Question 125

Refer to the exhibit. An Ethernet access provider is configuring routers PE-1 and PE-2 to provide E-Access EVPL service between UNI and ENNI. ENNI service multiplexing is based on 802.1ad tag 150, and service-multiplexed UNI is based on 802.1q tag 10. Which EFP configurations must the provider implement on PE-1 and PE-2 to establish end-to-end connectivity between CE-1 and CE-2?

Options:

A.

On PE-1:

interface GigabitEthernet2

service instance 100 ethernet

encapsulation dot1ad 150

rewrite ingress tag pop 1 symmetric

On PE-2:

interface GigabitEthernet2

service instance 2 ethernet

encapsulation dot1q 10

B.

On PE-1:

interface GigabitEthernet2

service instance 100 ethernet

encapsulation dot1q 150

rewrite ingress tag pop 1 symmetric

On PE-2:

interface GigabitEthernet2

service instance 2 ethernet

encapsulation dot1q 10

C.

On PE-1:

interface GigabitEthernet2

service instance 100 ethernet

encapsulation dot1ad 150 dot1q 10

rewrite ingress tag pop 2 symmetric

On PE-2:

interface GigabitEthernet2

service instance 2 ethernet

encapsulation dot1q 10

D.

On PE-1:

interface GigabitEthernet2

service instance 100 ethernet

encapsulation dot1ad 150

rewrite ingress tag pop 1 symmetric

On PE-2:

interface GigabitEthernet2

service instance 2 ethernet

encapsulation dot1q 10

rewrite ingress tag pop 1 symmetric

Question 126

Refer to the exhibit. R1 has two upstream Tier 1 service providers. BGP is in use as the exterior routing protocol, and ISP_A and ISP_B are sending the full BGP table. A network engineer must assign local-preference 70 to all routes with multiple exit discriminator 30. Which configuration must the network engineer apply?

Options:

A.

Option A

B.

Option B

C.

Option C

D.

Option D

Question 127

Which two actions describe ISP delegation to PCE servers? (Choose two)

Options:

A.

adding a new PCE server with lower precedence than the primary PCE

B.

changing the precedence of any of the PCE servers

C.

removing TE re-optimization timer timeouts

D.

entering the mpls traffic-eng reoptimize command

E.

adding a new PCE server with higher precedence than the primary PCE

Question 128

Refer to the exhibit.

AN engineer is configuring segment routing on an ISP to simplify traffic engineering and management across network domains. What should the engineer do to complete the implementation of segment routing?

Options:

A.

OSPF must be configured with wide area metrics to support routing.

B.

The segment will run without any further configuration.

C.

Area authentication must be enable before segment routing will run.

D.

Area Authentication must be enable before segment routing will run.

Question 129

Which programmable API allows the service provider to plan and optimize the automation of network operations and achieve closed-loop operations?

Options:

A.

Network Services Orchestrator

B.

WAN Automation Engine

C.

Evolved Programmable Network Manager

D.

Crosswork Network Automation

Question 130

Refer to the exhibit. Customer_A asked ISP_A to connect two offices via an MPLS L3 VPN. Customer_A is currently using only the default route toward ISP_A. The engineer at ISP_A already configured the ip route vrf Customer_A 172.16.10.0 255.255.255.0 10.10.10.1 command on R1. Which action completes the configuration?

Options:

A.

Configure the network 172.16.10.0 and redistribute-internal static commands under the BGP address family for Customer_A in the global BGP configuration on R1.

B.

Enable the bgp default route-target filter and default-Information originate commands under the global BGP configuration on R2.

C.

Configure the route-target both 200:1 and route-replicate vrf Customer_A commands under the lp vrf configuration on R2.

D.

Configure the redistribute static and redistribute connected commands on R1.

Question 131

Refer to the exhibit.

A network operator has two IPv4 and IPv6 dual-stacked network on each side of the IPv4 core network. The operator must be able to provide connectivity between them while using specific assigned IPv6 space provided from the company IP administrator team. Which technology should the network operator use to accomplish this goal?

Options:

A.

6rd

B.

NAT46

C.

DS-Lite

D.

NAT44

Question 132

Refer to the exhibit:

This configuration is being applied on an IOS XR router.

Which statement about this configuration is true?

Options:

A.

It is used to create a subscription to specify the streaming interval

B.

It is used to identify traps for SNMP polling

C.

It is used to identify MIB entries and has a list of YANG models

D.

It is used to create a sensor-group and has a list of YANG models for streaming

Question 133

Refer to the exhibit.

A NOC engineer is configuring label-based forwarding from CSR to the EPC gateway. Cell-site operation and maintenance for IPv4 traffic between 10.20.10.1 and 192.168.10.10 is already up. CR1 and CR2 are configured as route reflectors for AG1 and AG2. Which action completes the configuration?

Options:

A.

Remove address-family labeled-unicast from the BGP session-group infra on AG1 for neighbor-group core.

B.

Apply the BGP_Egress_Filter route policy to the BGP neighbor-group packet core on AG1.

C.

Configure AG1 to allocate a label to the BGP routes that are received in the BGP session group transport.

D.

Configure AG1 to allow the 300:100 and 200:100 communities in the BGP_Egress_Filter route policy.

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