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Cisco 300-615 Troubleshooting Cisco Data Center Infrastructure (DCIT) Exam Practice Test

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Total 167 questions

Troubleshooting Cisco Data Center Infrastructure (DCIT) Questions and Answers

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Question 1

Drag each item listed on the left to its proper category on the right Not all items will fit the categories.

Options:

Question 2

Refer to the exhibit. The administrator set up two pairs of Cisco Nexus switches. The administrator set dfferent vPC priorities on all four Nexus switches. As soon as the administrator activates the vPC between the two pairs the network faces

different issues. The problems range from both Nexus pairs declare themselves as root bridge, as well as spanning-tree inconsistencies and traffic forwarding issues. Which action resolves these issues?

Options:

A.

Change the role priority on one pair.

B.

Configure peer-config-check-bypass on both pairs.

C.

Configure a vPC peer link between both peers.

D.

Change domain ID on one pair to a diferent ID.

Question 3

A network engineer must connect a Cisco UCS Fabric Interconnect cluster to the Cisco ACI. VMware ESXi hypervisors have been installed on Cisco UCS blades and a VMware VMM domain has been configured. However, virtual machines fail to reach their default gateway in the Cisco ACI Fabric. The engineer investigates the issue and notices that the VMware Distributed Switch (VDS) teaming policy is set to "Route based on IP hash". Which action resolves the issue?

Options:

A.

Configure the vSwitch Policy on the VMM domain.

B.

Disable the On-demand EPG resolution immediacy setting in ACI.

C.

Disable the VMware Network I/O Control on the VDS.

D.

Configure the vSwitch Policy on a VDS.

Question 4

Refer to the exhibit.

The cURL command fails to complete. Which action resolves the problem?

Options:

A.

Remove ".json\" from the URL.

B.

Include -p "password" in the command.

C.

Add -H "X-Auth-Token" to the command.

D.

Change ".json" to ".xml" at the end of the URL.

Question 5

Refer to the exhibit. A network engineer is configuring the FCoE N_Port virtualization storage area network. After the initial implementation, server 11 fails to connect to the disk array. Which action resolves the issue?

Options:

A.

On MDS interface vfc 1/1, change switchport mode configuration to VF

B.

On N9K interface vfc11, change switchport mode configuration to NP

C.

On N9K interface vfc11 and MDS interface vfc 1/1, change switchport mode configuration to F

D.

On N9K interface vfc11 and MDS interface vfc 1/1, change switchport mode configuration to E

Question 6

A request to activate the port security database is rejected. Which action do you perform to investigate the cause of the issue?

Options:

A.

Enable the auto-learning feature.

B.

Use the force option to identify rejected devices.

C.

Find conflicting entries between the active and configuration databases.

D.

Verify that devices are fully attached to the active database.

Question 7

Refer to the exhibit.

A network administrator must delete a feature group from a Cisco Nexus 5000 Series Switch. Which action resolves the issue?

Options:

A.

Detach the association with the no rule command within the role configuration mode

B.

Detach the association with the no role command within the feature-group configuration mode

C.

Detach the association with the no rule command within the feature-group configuration

D.

Detach the association with the no role command within the role configuration mode

Question 8

Refer to the exhibit.

The HSRP instance on both switches is showing as active. Which action resolves the issue?

Options:

A.

Configure the HSRP timers to be the same.

B.

Allow VLAN 100 between the switches.

C.

Configure the IP address of N9K-B on the same subnet as N9K-A.

D.

Configure preempt on only one of the switches.

Question 9

A network administrator attempts to install an application in the Cisco NX-OS Guest shell and receives an error that there is not enough space on the disk. Which command must the administrator run to increase the disk space available in the Guest shell?

Options:

A.

guestshell growdisk rootfs [size-in-MB]

B.

guestshell pvextend rootfs [size-in-MB]

C.

guestshell resize rootfs [size-in-MB]

D.

guestshell resize2fs rootfs [size-in-MB]

Question 10

Refer to the exhibit.

A certificate is implemented on the security configuration on the Cisco ACI controller. A customer receives a "Connection Not Secure" error in a browser every time the customer logs in to the Cisco APIC GUI. Which action resolves the issue?

Options:

A.

Include a private key with the certificate.

B.

Use a browser that supports keys of 2048 bits.

C.

Configure a corporate certificate authority for the certificate.

D.

Add a 1536-bit key to the APIC GUI.

Question 11

Your client reports that many flaps and server cluster disconnects occur in their data center. While troubleshooting the issue, you discover a network attack hitting their Cisco Nexus 7000 Series Switches and determine that the source IP addresses are spoofed. Which first-line security solution resolves this issue?

Options:

A.

Dynamic ARP Inspection

B.

Unicast RPF

C.

IP Source Guard

D.

Storm Control

Question 12

A network engineer discovers a DNS resolution problem on a device that is using the Cisco Nexus Bash shell.

The device name is app with an IP address of 10.10.10.1. The primary server IP address is 172.16.10.1 and

the secondary server IP address is 172.16.10.2. When the abc.com resolution fails, it should attempt to use

efg.com. Which settings must be added to resolv.conf file to resolve the issue?

Options:

A.

Option A

B.

Option B

C.

Option B

D.

Option D

Question 13

Refer to the exhibit.

An engineer is troubleshooting why user1, user2, and user3 from group STORAGE- ADMINISTRATOR in Microsoft Active Directory cannot log in to the Cisco MDS SSH CLI. Which action resolves the issue?

Options:

A.

Configure the role name to match the group name on Microsoft Active Directory.

B.

Include specific users into MDS role configuration.

C.

Configure SSH logins on Cisco MDS switch.

D.

Integrate Cisco MDS with Microsoft Active Directory.

Question 14

A customer configures HSRP between two data centers that are interconnected with OTV. The configuration succeeds, but traffic between two ESXi virtual hosts on the same site is routed suboptimally through the OTV overlay. Which two actions optimize the traffic? (Choose two.)

Options:

A.

Disable first-hop redundancy.

B.

Filter HSRP traffic by using a Layer 3 VACL on the OTV edge devices.

C.

Filter HSRP by using a Layer 2 MAC-list on the ESXi vSwitch.

D.

Filter HSRP traffic by using a Layer 3 VACL on the ESXi vSwitch.

E.

Filter HSRP by using a Layer 2 MAC-list on the OTV edge devices.

Question 15

A network engineer notices a sudden interruption to the HSRP adjacency between the switches. The packet loss is reported on the servers for which the default gateway is set as the virtual IP of the HSRP. AII servers on

the VL AN can exchange ping messages. Which configuration set must be applied on the HSRP peers to resolve the adjacency issue?

Options:

A.

key 0 send-lifetime 00:00:00 Oct 01 2018 23:59:59 Sep 01 2020

B.

key 1 send-lifetime 00:00:00 Jun 01 2018 23:59:59 Sep 01 2022

C.

key1 accept-lifetime 00:00:00 Jun 01 2018 23:59:59 Sep 01 2020

D.

key 0 accept-lifetime 00:00:00 Oct 01 2018 23:59:59 Sep01 2020

Question 16

Refer to the exhibit.

The FCoE traffic fails to traverse the vfc2 interface. The VSAN 102 is configured for vfc2. Which action resolves the issue?

Options:

A.

Enable LLDP on the interface vfc2

B.

Activate DCBX on the N9K switch

C.

Activate DCBX on the interface e101/1/2

D.

Enable LLDP on the neighbor switch

Question 17

Refer to the exhibit.

A web browser displays a “not secure” warning message when accessing the web interface of Cisco UCS Manager. Which action resolves the issue?

Options:

A.

Load third-party certificate to UCS Manager.

B.

Use the correct TCP port for HTTPS.

C.

Use a supported web browser.

D.

Use a supported version of UCS Manager.

Question 18

Refer to the exhibit. One of the vPC VTEPs fails to route VXLAN traffic to vPC connected hosts. When the issue was being diagnosed, it was discovered that the packets that were expected to be forwarded to the MAC address on the SWITCH-VTEP-1 are instead forwarded to the MAC address on SWITCH-VTEP-2 and then dropped. Which action resolves the issue?

Options:

A.

Configure a distributed anycast gateway on both peers

B.

Configure ip arp synchronize under the VPC domain on both peers

C.

Configure peer-gateway under the VPC domain on both peers

D.

Configure a different secondary IP address for one of the vPC peers

Question 19

An engineer is troubleshooting issues in Cisco UCS Director. Drag and drop the possible causes from the left onto the correct issues on the right.

Options:

Question 20

A fabric interconnect fails to start and the console displays the loader prompt. Which two actions resolve the issue? (Choose two.)

Options:

A.

Load an uncorrupt bootloader image.

B.

Load an uncorrupt kickstart image.

C.

Reconnect L1/L2 cables between the Fis.

D.

Reformat the fabric interconnect.

E.

Load the correct version of the boot image.

Question 21

Refer to the exhibit.

The scheduler was configured to save the running-config automatically daily. However, the scheduler is returning the error presented. Which action resolves the issue?

Options:

A.

Reconfigure the scheduler using the admin user

B.

Use the kstack attribute for copying the configuration file

C.

Remove vrf management from the command

D.

Change the file transfer protocol to TFTP in scheduler job

Question 22

Refer to the exhibit.

The job fails to run. Which action resolves the issue?

Options:

A.

Configure an NTP server

B.

Add a start time to the script

C.

Renew the feature license

D.

Enable the feature required

Question 23

Refer to the exhibit The EEM applet must generate a syslog message whena BGP adjacency faps. This message must be displayed to the console of the switch. However, when a BGP adjacency failure is simulated, no syslog message is displayed. Which action resolves the issue?

Options:

A.

Add the event-default action statement.

B.

Modify the policy to use the snmp trap action.

C.

Adjust the policy to match an SNMP OID.

D.

Set the logging priority to Wamings.

Question 24

Refer to the exhibit. A network engineer configures an authentication domain through an LDAP provider on the Cisco UCS Manager for users from different companies to log into their respective organizations created in the UCS Manager. The engineer tests the configuration and notices that any user has login access to any organization in the UCS Manager. Which action should be taken to resolve the issue?

Options:

A.

Configure the Filter field with sAMAccountName=$company

B.

Configure the Attribute field with the company

C.

Configure the Attribute field with sAMAccountName=$company

D.

Configure the Filter field with the company

Question 25

Refer to the exhibit.

An engineer discovers that if the vPC peer link goes down, half of the devices in VLAN 20 experience connectivity issues with the external networks Which action resolves the issue?

Options:

A.

Configure a dedicated Layer 3 link between vPC peers

B.

Allow non-vPC VLANs on a second trunk between the two vPC peers

C.

Add the non-vPC SVIs in the dual-active exclude VLAN list

D.

Exclude the non-vPC VLANs from vPC peer link

Page: 1 / 17
Total 167 questions