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150-820 Questions and Answers

Question # 6

Which three statements are correct regarding a vLAG? (Choose three.)

A.

A Brocade VCS Fabric supports static vLAGs.

B.

A zero port vLAG is allowed.

C.

vLAGs are able to detect configuration errors.

D.

vLAGs are not able to detect configuration errors.

E.

A zero port vLAG is not allowed.

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Question # 7

You have a vLAG across three devices and you notice that the failover time is very slow.

Which two vLAG features should be enabled to minimize packet loss? (Choose two.)

A.

Set the LACP timeout to short.

B.

Set the minimum links to 1.

C.

Set the BPDU drop to enable.

D.

Set the vLAG to ignore split.

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Question # 8

You want to allow help desk personnel to enable or disable only the 10 Gbps interfaces using CLI.

Which feature in Brocade NOS would you configure?

A.

LDAP

B.

TACACS+

C.

RADIUS

D.

RBAC

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Question # 9

What allows L2 communication to extend over L3 networks?

A.

VLANs

B.

VxLANs

C.

VCS enabled switches

D.

the NSX controller

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Question # 10

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?

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.

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Question # 11

You provided prioritization of customer's traffic in your data center. Not all customers pay for this service and you want to prevent any customers from setting their own QoS markings on their servers.

Which three features on the Brocade VCS Fabric would you use to accomplish this task? (Choose three.)

A.

DSCP Mutation Map

B.

DSCP-to-CoS Mutation Map

C.

DSCP Trust

D.

DCB Priority Table Map

E.

CoS Mutation Map

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Question # 12

You have a four-switch Brocade VCS Fabric operating in fabric mode. You make an interface level configuration change on the principal switch.

Which statement is true?

A.

You need to commit the changes on the principal switch for it to be propagated to all other switches in the fabric.

B.

You do not need to commit the change on the principal switch for it to be automatically propagated to all the other switches in the fabric.

C.

You need to commit the change on the principal switch; the change will only appear on the principal switch and it will be persistent across a reload.

D.

You do not need to commit the change on the principal switch for it to appear on the principal switch; the change will be persistent across a reload.

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Question # 13

A customer wants to connect a group of servers to different Brocade VDXs in a three switch Brocade VDX 6740 fabric. All servers should have one gateway and should failover if one switch is taken offline for maintenance. The individual VDX should forward all packets to the destination from the VDX that receives them.

How should this solution be implemented?

A.

Create VRRP with a master and two standby instances.

B.

Create VE interfaces on each VDX and assign a primary and backup IP to each.

C.

Create a default static route on each VDX for the gateway.

D.

Create VRRP-E with an instance on each VDX and enable short path forwarding.

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Question # 14

Which switch is capable of running in stand-alone mode?

A.

Brocade VDX 8770-8

B.

Brocade VDX 8770-4

C.

Brocade VDX 6740T

D.

Brocade VDX 6730

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Question # 15

Your customer wants to establish a LAG connection on a Brocade VDX 6740T-1G connecting to another vendor's switch using 1 GbE interfaces. Every time they try to enable the port channel, the interfaces shut down.

In this situation, which statement is true?

A.

The speed needs to be set on the port channel.

B.

LACP needs to be turned on the port channel.

C.

The channel group needs to be set to mode on for the physical interfaces when connecting to another vendor.

D.

Gigabit interfaces will not form LAGs.

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Question # 16

Which two statements are true about a Brocade VCS Fabric operating in logical chassis mode? (Choose two.)

A.

After making a configuration change on the principal switch, you need to commit the change on that switch for the change to be automatically propagated to the other switches in the fabric.

B.

After making a configuration change on the principal switch, you do not need to commit the change for the change to be automatically propagated to the other switches in the fabric.

C.

When viewing the configuration file on the principal switch in the fabric, you will see the configuration for all other switches in the fabric.

D.

When viewing the configuration file on the principal switch in the fabric, you will see only the configuration for that switch.

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Question # 17

You are asked to connect a Brocade VDX 8770 to a Brocade VDX 6740 in logical chassis mode using four 40 Gbps links.

Which license is required?

A.

an Advanced Services license on the VDX 8770

B.

a 40 GbE Port license on the VDX 8770

C.

an Advanced Services license on the VDX 6740

D.

a 40 GbE Port license on the VDX 6740

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Question # 18

You are building a Brocade VCS Fabric that includes one each of the Brocade VDX 8770, VDX 6740, VDX 6740T-1G, and VDX 6740T switches. All switches have base licenses. The VDX 8770 contains one 40 GbE port card.

Which two switches do you need to install the 40 GbE Port license? (Choose two.)

A.

VDX 6740

B.

VDX 6740T

C.

VDX 6740T-1G

D.

VDX 8770

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Question # 19

A principal RBridge fails.

What happens to the VCS virtual IP address?

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.

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Question # 20

You are planning the integration of a new Brocade VCS Fabric into your legacy spanning tree environment.

In which two scenarios would configuring STP be appropriate? (Choose two.)

A.

connecting the fabric to your traditional Ethernet core

B.

between your interconnected VCS fabrics

C.

to prevent loops between directly connected RBridges in your fabric

D.

to prevent loops between indirectly connected RBridges in your fabric

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Question # 21

You just connected multiple Brocade VCS Fabric mode-enabled switches and you want them to form an Ethernet fabric.

Which two configurations must be applied? (Choose two.)

A.

RBridge IDs must be configured to match all other switches in the fabric.

B.

VCS IDs must be configured the same as all other switches in the fabric.

C.

RBridge IDs must be unique to all other switches in the fabric.

D.

VCS IDs must be unique to all other switches in the fabric.

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Question # 22

Referring to the exhibit

which two configurations are valid? (Choose two.)

A.

A

B.

B

C.

C

D.

D

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Question # 23

A company has a Fibre Channel (FC) array in which they would like to connect to their data center servers using their existing Brocade VCS Fabric running NOS v4.1.0.

Referring to the exhibit, which two scenarios would accomplish this goal? (Choose two.)

A.

A

B.

B

C.

C

D.

D

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Question # 24

You have a Brocade VCS Fabric and one Brocade VDX has the multicast root manually assigned with the highest priority. You are going to remove that VDX from the fabric.

Which switch will become the multicast root if no other device has the priority set?

A.

the principal switch

B.

the lowest RBridge ID

C.

the coordinator switch

D.

the highest RBridge ID

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Question # 25

During a network outage, several RBridges in VCS Logical Chassis mode were disconnected from the rest of the network. During this time, some configuration changes were made to those switches.

When the network connection between the separated switches is repaired, what will occur?

A.

The fabric configuration will merge.

B.

The configuration of the separated fabric will be overwritten.

C.

The configuration of the main fabric will be overwritten.

D.

The fabric configurations will not merge.

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Question # 26

You are required to deploy servers with a single adapter that are attached to your Brocade VDX 6730 running in Access Gateway mode that will communicate with FC SAN attached storage.

Which statement is true?

A.

LSAN zones are required in the FC SAN.

B.

LSAN zones are required in the Ethernet fabric.

C.

Traditional FC zones are required in the Ethernet fabric.

D.

Traditional FC zones are required in the FC SAN.

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Question # 27

Which three are required for a Brocade VDX 6730 to join an existing Brocade VCS Fabric with centralized management? (Choose three.)

A.

same VCS ID

B.

same RBridge ID

C.

VCS Logical Chassis mode

D.

different RBridge ID

E.

VCS Fabric mode

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