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Brocade Certified Ethernet Fabric Professional 2015 Question and Answers

Brocade Certified Ethernet Fabric Professional 2015

Last Update May 15, 2024
Total Questions : 182

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Questions 1

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.)

Options:

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.

Discussion 0
Questions 2

You are configuring OSPF in a Brocade VCS Fabric. The implementation will integrate with an existing OSPF network. The fabric is in logical chassis mode.

Referring to the exhibit, which three actions are correct? (Choose three.)

Options:

A.  

Enable OSPF at the RBridge level.

B.  

Enable OSPF globally in the fabric.

C.  

Enable OSPF on interface Ve 10.

D.  

Enable OSPF on interface 131/2/15.

E.  

Enable OSPF on interface 131/2/22.

Discussion 0
Questions 3

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:Distributed

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: 4

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

Discussion 0
Questions 4

Referring to the exhibit

which two configurations are valid? (Choose two.)

Options:

A.  

A

B.  

B

C.  

C

D.  

D

Discussion 0
Questions 5

Referring to the exhibit,

to minimize downtime, what is the Brocade recommended approach to fabric node upgrades?

Options:

A.  

Upgrade the spine RBridges then the leaf RBridges.

B.  

Upgrade the odd RBridges then the even RBridges.

C.  

Upgrade the core RBridges then the edge RBridges.

D.  

Upgrade the leaf RBridges then the spine RBridges.

Discussion 0
Questions 6

You are designing a network with Brocade VCS Fabrics. You must support four 10 Gbps Brocade trunking ports in between the VDX switches. You need to determine which interfaces to connect.

What are two solutions? (Choose two.)

Options:

A.  

VDX 8770 interface Te 1/2/33-36 to VDX 6740 interface Te 2/0/1-4

B.  

VDX 6740 interface Te 1/0/18-21 to VDX 6730-76 interface Te 2/0/21-24

C.  

VDX 8770 interface Te 1/1/30-33 to VDX 8770 interface Te 2/1/30-33

D.  

VDX 6740 interface Te 1/0/11-14 to VDX 6730-32 interface Te 2/0/11-14

Discussion 0
Questions 7

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

Discussion 0
Questions 8

What is the name of the ASIC used in Brocade VDX 6430?

Options:

A.  

LOOM

B.  

CONDOR4

C.  

HYDRA

D.  

MERCURY

Discussion 0
Questions 9

You want to capture sFlow statistics from a group of interfaces on a Brocade VDX and forward the data to your Brocade Network Advisor server.

Which three steps are required for a working configuration? (Choose three.)

Options:

A.  

Enable sFlow on each interfaces.

B.  

Set the global sFlow sample rate on the VDX.

C.  

Set the sFlow collector as destination.

D.  

Globally enable sFlow on the VDX.

E.  

Set the global sFlow polling interval on the device.

Discussion 0
Questions 10

In the exhibit, both MAC addresses are assigned to interface 2/0/4.

What does the (UC) indicate?

Options:

A.  

Conflicting port profiles were activated on interface 2/0/4.

B.  

Untagged frames from MAC 0050.56bf.0114 will be tagged.

C.  

MAC 0050.56bf.0114 is already assigned on another VLAN.

D.  

MAC 0050.56bf.0114 is already assigned to another interface.

Discussion 0
Questions 11

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?

Options:

A.  

the principal switch

B.  

the lowest RBridge ID

C.  

the coordinator switch

D.  

the highest RBridge ID

Discussion 0
Questions 12

A customer has configured sFlow on a four node VCS cluster which includes one Brocade VDX 8770 and three VDX 6740T-1G switches. The customer sees sFlow samples from all the interfaces on the VDX 8770 but is not seeing sFlow samples from the 1 GbE interfaces on the VDX 6740T-1G switches.

Which statement is correct?

Options:

A.  

sFlow on 1 GbE interfaces are not supported on the VDX 6740T-1G.

B.  

sFlow will not work on a VDX with both 1 GbE and 10 GbE interfaces.

C.  

Only Brocade Network Advisor can collect sFlow data from 1 GbE interfaces.

D.  

sFlow must be configured for a lower sampling rate on 1 GbE interfaces.

Discussion 0
Questions 13

As a network administrator, you see a very high number of receive discards in the interface statistics of an ISL within your VCS fabric. After further investigation, the discards are found to be incrementing due to tail drops.

(Truncated example of the interface stats)

Receive Statistics:

1632132 packets, 220809631 bytes

Unicasts: 1632131, Multicasts: 0, Broadcasts: 1

64-byte pkts: 985885, Over 64-byte pkts: 415575, Over 127-byte pkts: 88870

Over 255-byte pkts: 86119, Over 511-byte pkts: 17667, Over 1023-byte pkts: 38016

Over 1518-byte pkts(Jumbo): 0

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

Errors: 0, Discards: 912313

Referring to the exhibit, what would be the cause of the discards?

Options:

A.  

interop conflict

B.  

faulty media

C.  

fabric loop

D.  

network congestion

Discussion 0
Questions 14

You are asked to provide time-based sampling of interface counters and statistical sampling of switched packets.

Which protocol supports these requirements?

Options:

A.  

SNMP

B.  

sFlow

C.  

OpenFlow

D.  

RMON

Discussion 0
Questions 15

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.

Discussion 0
Questions 16

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

Discussion 0
Questions 17

Which feature simplifies deployment of QoS for IP-based storage in a Brocade VCS Fabric?

Options:

A.  

DSCP

B.  

Auto NAS

C.  

CEE maps

D.  

LLDP

Discussion 0
Questions 18

You are using PBR in your Brocade VCS Fabric and you would like to selectively modify and route the IP packets in the hardware.

Which two would you configure? (Choose two.)

Options:

A.  

DSCP

B.  

ACLs

C.  

Instance_ID

D.  

route maps

Discussion 0
Questions 19

Your Ethernet fabric is running NOS 4.1.1 on two Brocade VDX 8770s and four Brocade VDX 6730s in fabric cluster mode. You are required to deploy servers connected to the VDX switches that will communicate with FC targets. Layer 3 features must be deployed in the design.

Which two licenses are required? (Choose two.)

Options:

A.  

a VCS Fabric license on each switch

B.  

an FCoE base license on each switch

C.  

a Layer 3 license on each VDX 6740

D.  

a Layer 3 license on each VDX 8770

Discussion 0
Questions 20

You are providing cloud-based virtual desktops to businesses from your data center. Each business needs to be completely segmented from each other; however, to keep costs down, you decide to use a single DHCP and DNS server with the least amount of configuration.

Which three features must be configured in the Brocade VCS Fabric? (Choose three.)

Options:

A.  

DHCP relay

B.  

AMPP

C.  

inter-VRF route leaking

D.  

ACL

E.  

VRF

Discussion 0
Questions 21

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

Discussion 0
Questions 22

Your current VCS fabric comprised of Brocade VDX 8770s is running NOS 4.0.0b in logical chassis mode. You would like to upgrade the firmware with no impact to L2 traffic.

Which two procedures would accomplish this task? (Choose two.)

Options:

A.  

Download the firmware to each of the switches individually with the default settings.

B.  

Download the firmware to the logical switch and use the auto-activate parameter to activate the firmware.

C.  

Download the firmware to the logical switch then activate each RBridge.

D.  

Download the firmware to each switch individually with the auto-activate parameter to activate the firmware.

Discussion 0
Questions 23

You want to enable a Service Virtual Fabric to provide 802.1Q VLAN virtualization.

Which two statements are correct? (Choose two.)

Options:

A.  

The 802.1Q classification rule should be configured at each physical interface.

B.  

The 802.1Q classification rule at each interface is a global configuration.

C.  

A Virtual Fabric VLAN ID is unique within a Brocade VCS Fabric.

D.  

Only one Virtual Fabric VLAN ID is allowed to be configured on each physical interface.

Discussion 0
Questions 24

When creating a vLAG on a Brocade VDX, which statement is correct?

Options:

A.  

Physical links must be on separate port groups.

B.  

Physical links must be on the same port groups.

C.  

Physical links can be multiple speeds.

D.  

Physical links must be the same speed.

Discussion 0
Questions 25

Your customer adds two Brocade VDX 6740s to an existing Brocade VCS Fabric in logical chassis mode with VCSID 11. After enabling logical chassis mode on both new switches, a connection is made between the two switches. A cable is then connected between one of the switches of the logical chassis. The ISL to the logical chassis is isolated with an Exchange Switch Capabilities (ESC) error, detailing a database mismatch.

What caused the problem?

Options:

A.  

enabling logical switch mode with the default configuration

B.  

enabling logical chassis mode with a duplicate RBridge ID of the logical chassis

C.  

connecting the two new switches together before adding to the logical chassis

D.  

connecting only one ISL from the new switches to the logical chassis

Discussion 0
Questions 26

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

Discussion 0
Questions 27

A Brocade VDX 6730 is added to an existing three node Brocade VCS Fabric running NOS 4.1. You want to manage all switches in the fabric from the principal switch.

What should you do to accomplish this task?

Options:

A.  

Enable VCS Logical Chassis mode.

B.  

Enable standalone mode.

C.  

Install a VCS license.

D.  

Enable VCS Fabric mode.

Discussion 0