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Brocade 150-820 Brocade Certified Ethernet Fabric Professional 2015 Exam Practice Test

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Total 182 questions

Brocade Certified Ethernet Fabric Professional 2015 Questions and Answers

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Question 1

You have a VMware environment and configure AMPP with vCenter integration on your Brocade VCS Fabric.

After a successful discovery of virtual infrastructure assets, which two changes would you expect to find in the Brocade VDX configuration? (Choose two.)

Options:

A.

New FCoE policies are created.

B.

New VLANs are created.

C.

MAC addresses are assigned to profiles.

D.

C-tags are applied to interfaces.

Question 2

Referring to the exhibit, you are experiencing latency issues on interface Te 27/0/60.

switch# show interface tengigabitethernet 27/0/60

TenGigabitEthernet 27/0/60 is up, line protocol is up (connected)

Hardware is Ethernet, address is 0005.3367.26d8

Current address is 0005.3367.26d8

Pluggable media present

Interface index (ifindex) is 283874428169

MTU 2500 bytes

LineSpeed Actual : 10000 Mbit

LineSpeed Configured : Auto, Duplex: Full

Flowcontrol rx: off, tx: off

Last clearing of show interface counters: 22:07:59

Queueing strategy: fifo

Receive Statistics:

15254 packets, 1395269 bytes

Unicasts: 10641, Multicasts: 2637, Broadcasts: 1976

64-byte pkts: 10874, Over 64-byte pkts: 3294, Over 127-byte pkts: 117

Over 255-byte pkts: 969, Over 511-byte pkts: 0, Over 1023-byte pkts: 0

Over 1518-byte pkts(Jumbo): 0

Runts: 0, Jabbers: 0, CRC: 1128350, Overruns: 0

Errors: 1128350, Discards: 0

Transmit Statistics:

12633 packets, 1155963 bytes

Unicasts: 18, Multicasts: 12615, Broadcasts: 0

Underruns: 0

Errors: 0, Discards: 0

Rate info (interval 299 seconds):

Input 0.000128 Mbits/sec, 0 packets/sec, 0.00% of line-rate

Output 0.000000 Mbits/sec, 0 packets/sec, 0.00% of line-rate

Time since last interface status change: 0d00h40m

What are two reasons for the problem? (Choose two.)

Options:

A.

a faulty SFP optic

B.

a faulty duplex setting

C.

a faulty Twinax cable

D.

the flow control turned off

Question 3

The server connected to the port shown in the exhibit is sending VLAN tagged frames for VLAN 40 to the port.

sw0# sh run in ten 2/0/20

interface TenGigabitEthernet 2/0/20

fabric isl enable

fabric trunk enable

switchport

switchport mode access

switchport access vlan 40

spanning-tree shutdown

no shutdown

!

What will happen to the frames when received by the Brocade VDX?

Options:

A.

The frames will be placed on VLAN 40.

B.

The frames will be dropped.

C.

The frames will be placed on the default VLAN.

D.

The frames will be classified by the CPU.

Question 4

You added a new Brocade VDX 6740 to an existing Brocade VCS Fabric in your data center. You connected the VDX 6740 to ports 3/0/11 and 3/0/12 on the existing fabric. After the switch boots, you realize it does not join the fabric. You examine the ISL status on the fabric as shown in the exhibit.

sw0(conf-if-te-3/0/19)# do sh fabric islport

Name: sw0

Type: 95.2

State: Online

Role: Fabric Principal

VCS Id: 1

Config Mode:Distributed

Rbridge-id: 3

WWN: 10:00:00:05:33:46:71:61

FCF MAC: 00:05:33:46:71:61

Index Interface State Operational State

===================================================================

0 Te 3/0/1 Down

1 Te 3/0/2 Down

2 Te 3/0/3 Down

3 Te 3/0/4 Down

4 Te 3/0/5 Down

5 Te 3/0/6 Down

6 Te 3/0/7 Down

7 Te 3/0/8 Up ISL 10:00:00:05:33:5c:e1:5a "sw0" (downstream)(Trunk Primary)

8 Te 3/0/9 Up ISL (Trunk port, Primary is 3/0/8 )

9 Te 3/0/10 Down

10 Te 3/0/11 Up ISL (Trunk port, Primary is 3/0/12 )

11 Te 3/0/12 Up ISL segmented,(ESC mismatch, Config Mode)(Trunk Primary)

12 Te 3/0/13 Down

13 Te 3/0/14 Down

14 Te 3/0/15 Down

15 Te 3/0/16 Down

16 Te 3/0/17 Down

17 Te 3/0/18 Down

18 Te 3/0/19 Down

19 Te 3/0/20 Down

20 Te 3/0/21 Down

21 Te 3/0/22 Down

22 Te 3/0/23 Down

23 Te 3/0/24 Down

What is causing the problem?

Options:

A.

The new switch VCSID is incorrect.

B.

The new switch has an overlapping RBridge ID.

C.

The new switch does not have a VCS Fabric license.

D.

The new switch is not configured for logical chassis.

Question 5

Your task is to configure remote server authentication in all of the switches in your Brocade VCS Fabric running NOS 4.1.1.

Which protocols would you use to accomplish this task? (Choose three.)

Options:

A.

DH-CHAP

B.

RBAC

C.

RADIUS

D.

LDAP/AD

E.

TACACS+

Question 6

You want to remove one of your Brocade VDX 6740s from your VCS fabric in Logical Chassis mode. You issue the no vcs enable command on the VDX 6740 but the switch is not removed.

What would you do to resolve the problem?

Options:

A.

Issue the no vcs logical-chassis enable command on the VDX 6740.

B.

Change the existing VCS ID of the VDX 6740.

C.

Issue the vcs replace rbridge-id command on the principal switch.

D.

Remove the physical connections to the logical chassis cluster on the VDX 6740.

Question 7

Which criteria determines the principal RBridge election in a Brocade VCS Fabric?

Options:

A.

lowest MAC

B.

lowest WWN

C.

lowest RBridge ID

D.

lowest VCS ID

Question 8

Your data center will include a Brocade VCS Fabric that has a Brocade VDX 8770-4 for access/aggregation and a VDX 8770-8 at the core. You must ensure that both chassis are assembled for highest availability. You have a total of four SFMs to deploy in the two chassis.

Which slot combinations provide the expected results?

Options:

A.

VDX 8770-4 slots 1, 2 and VDX 8770-8 slots 1, 2

B.

VDX 8770-4 slots 1, 2 and VDX 8770-8 slots 3, 4

C.

VDX 8770-4 slots 2, 3 and VDX 8770-8 slots 3, 4

D.

VDX 8770-4 slots 2, 3 and VDX 8770-8 slots 5, 6

Question 9

You are designing a single Brocade VCS Fabric for your data center network. Your MLX core routers are stand-alone. You want to use vLAG connectivity for devices. All link groups need to form single vLAGs.

Referring to the exhibit, which link group will accomplish this?

Options:

A.

link group A

B.

link group B

C.

link group C

D.

link group D

Question 10

You want to determine which link aggregation mode you should choose between a pair of Brocade VDX switches in different VCS Fabrics. You want to use frame-based distribution.

Which action should you perform?

Options:

A.

Enable a Brocade LAG.

B.

Enable a vLAG.

C.

Enable an LACP LAG.

D.

Enable a fabric ISL.

Question 11

You just connected a new Brocade VDX 6740T-1G switch to the top of rack. You want to connect two 40 GbE uplinks to VDX1 and two 40 GbE uplinks to VDX2. Two of the links come online and two of them are segmented.

What is a reason for this problem?

Options:

A.

A 40 GbE license needs to be installed.

B.

A DPOD 2 license must be installed.

C.

You cannot enable four 40 GbE uplinks in a VDX 6740T-1G.

D.

A VCS license needs to be installed.

Question 12

Which legacy Brocade switch requires GBICs?

Options:

A.

SilkWorm 2400

B.

SilkWorm 3200

C.

SilkWorm 3800

D.

SilkWorm 5300

Question 13

You receive a replacement Brocade VDX 6740T that has no management IP address configured on it.

Which port would you use to set the management IP?

Options:

A.

an RJ-45 out-of-band port

B.

an RJ-45 in-band port

C.

a USB port

D.

a USB mini port

Question 14

You are extending your Brocade VCS Fabric over 30 km long-distance ISLs.

Which two services are supported over these ISLs? (Choose two.)

Options:

A.

vMotion over long distance ISLs

B.

trunking between multiple long-distance ISLs

C.

FCoE over long distance ISLs

D.

Ethernet lossy traffic

Question 15

Your Brocade VCS Fabric design will include vLAG connectivity to devices in your data center.

Which three statements are true? (Choose three.)

Options:

A.

Hosts with teamed NICs need to have two or more links connected to two or more VDX switches in the fabric.

B.

ESX hosts will automatically form vLAGs when vCenter integration is enabled.

C.

Pairs of core routers running a multi-chassis trunking protocol need to have at least one link each connected to two or more VDX switches in the fabric.

D.

Stand-alone core routers need to have one link, each connected to a different VDX switch in the fabric.

E.

Third-party Ethernet switches need to have two or more links connected to two or more VDX switches in the fabric.

Question 16

You are attempting to merge two Brocade VDX switches, both running in fabric mode, but they segment.

sw0# show fabric islports

Name: sw0

Type: 96.5

State: Online

Role: Fabric Principal

VCS Id: 10

Config Mode:Local-only

Rbridge-id: 4

WWN: 10:00:00:05:33:91:48:f7

FCF MAC: 00:05:33:91:48:f7

sw0# show fabric islports

Name: sw0

Type: 96.5

State: Online

Role: Fabric Principal

VCS Id: 10

Config Mode:Distributed

Rbridge-id: 20

WWN: 10:00:00:05:33:90:92:e4

FCF MAC: 00:05:33:90:92:e4

Referring to the exhibit, what is the reason?

Options:

A.

Role conflict

B.

VCS ID conflict

C.

RBridge ID conflict

D.

Config Mode conflict

Question 17

You are asked to implement PIM in your existing Brocade VCS Fabric running NOS 4.1. The fabric consists of VDX 8770s, VDX 6740s, VDX 6730s, and VDX 6720s.

On which two Brocade VDX models would this be implemented? (Choose two.)

Options:

A.

VDX 6730

B.

VDX 8770

C.

VDX 6720

D.

VDX 6740

Question 18

One of the switches in your Brocade VCS Fabric in logical chassis mode needs to be replaced. After configuring the replacement switch with the same VCS RBridge ID of the faulty switch, you attempt to replace the faulty switch with a new one but find the switch is segmented from the fabric.

Which two steps should be completed to replace the faulty switch? (Choose two.)

Options:

A.

A copy of the principal switch configuration must be copied to the replacement switch.

B.

On the principal switch, you must enter the WWN of the replacement switch.

C.

The VCS RBridge ID of the replacement switch needs to be unique and cannot match the faulty switch VCS RBridge ID.

D.

On the principal switch, you need to run the vcs replace rbridge-id command.

Question 19

You see a large number of alerts in Brocade Network Advisor on a Brocade VDX switch. You are asked to gather information to send to technical support for analysis.

What information should you send? (Choose three.)

Options:

A.

copy support output before clearing error counters

B.

show running config output

C.

a fabric topology drawing

D.

copy support output after clearing error counters

E.

a detailed description of the problem

Question 20

What are three primary benefits of Access Control Lists (ACLs)? (Choose three.)

Options:

A.

ACLs provide a measure of security.

B.

ACLs provide role-based access control.

C.

ACLs prevent rogue RBridges.

D.

ACLs block unwanted traffic or users.

E.

ACLs reduce the chance of Denial-of-Service attacks.

Question 21

Which three attributes are distributed by the Ethernet Name Server (eNS) within a Brocade VCS Fabric? (Choose three.)

Options:

A.

MAC address

B.

WWN

C.

VLAN

D.

RBridge ID

E.

VCS ID

Question 22

Your customer would like to control a Brocade VCS Fabric consisting of four Brocade VDX 6740s by using SSH to the same address on the principal switch in the fabric.

Which two attributes should be configured to accomplish this? (Choose two.)

Options:

A.

Assign management IP addresses to the RBridges in the fabric.

B.

Assign the chassis virtual IP to one RBridge.

C.

Assign the VCS virtual IP to the Brocade VCS Fabric.

D.

Assign the mcast root to one RBridge.

Question 23

Which two statements are true when traffic is transmitted over a fabric ISL trunk? (Choose two.)

Options:

A.

Traffic is distributed across all links using DWRR.

B.

Traffic is distributed across all links using hashing.

C.

Traffic is distributed across all links on a frame-by-frame basis.

D.

Traffic is distributed across all links on a flow basis.

Question 24

You have connectivity from a top of rack Brocade VDX 6740 to two Brocade VDX 8770s in the core. Ports 1-16 are connected to one VDX 8770, and ports 49-52 are connected to the other VDX 8770 in break out mode.

Which two statements about the VDX 6740 in this scenario are true? (Choose two.)

Options:

A.

The 10 GbE ports are comprised of two port groups of 8 ports each.

B.

The 10 GbE ports are comprised of a single port group of 16 ports.

C.

The ports in break out mode are comprised of two port groups of 8 ports each.

D.

The ports in break out mode are comprised of a single port group of 16 ports.

Question 25

A principal RBridge fails.

What happens to the VCS virtual IP address?

Options:

A.

The newly elected principal switch's management IP becomes the VCS virtual IP address.

B.

The switch with the highest WWN owns the VCS virtual IP address.

C.

The switch with the lowest MAC management IP address becomes the VCS virtual IP address.

D.

The existing VCS virtual IP address will be bound to the newly elected principal switch.

Question 26

You have three new Brocade VDX switches that are properly configured to join into a single Brocade VCS Fabric. You add two links in the same port group between each of the three switches.

Which two statements are true? (Choose two.)

Options:

A.

A vLAG will form from each switch to the other two switches.

B.

An ISL will form between each pair of switches.

C.

Two equal least cost paths to each of the other switches will be listed in the Layer 2 routing table.

D.

A fabric trunk will form between each pair of switches.

Question 27

Which Brocade VCS Fabric mode is required to support communication to an NSX controller?

Options:

A.

VxLAN gateways must be in VCS Logical Chassis mode.

B.

VxLAN gateways must be in global configuration mode.

C.

VxLAN gateways must be in RBridge mode.

D.

VxLAN gateways must be in VCS Fabric mode.

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Total 182 questions