Question 1

To upgrade the EOS running on an Arista switch, which of the following commands copies the new EOS file from USB to flash?

Accepted Answer

A)   copy usb1:/EOS-4.15.0.swi flash:/EOS-4.15.0.swi
B)   copy usb:/EOS-4.15.0.swi flash:/EOS-4.15.0.swi
C)   copy drive0:/EOS-4.15.0.swi flash:/EOS-4.15.0.swi
D)   copy usb0:/EOS-4.15.0.swi flash:/EOS-4.15.0.swi A

Question 2

What is the command to set the switch to use EOS 4.15.1F.swi the next time it reloads?

Accepted Answer

A)   boot system flash:EOS-4.15.1.swi
B)   boot system 4.15.1F.swi
C)   boot system flash:/EOS-4.15.1F.swi
D)   boot system flash EOS-4.15.1F.swi C

Question 3

Which command will successfully configure Ethernet5 to be 40Gbps on an Arista 7150-52 switch?

Accepted Answer

A)   An Arista 7150-52 dos not support 40Gbps
B)   Since Ethernet 5 is a 10Gbps port, 40Gbps is not possible.
C)   Arista(config-if-Et5) # speed forced 40gfull Arista(config-if-Et5) # speed forced 40gfull
D)   Arista(config-if-Et5) # speed 40gfull speed 40gfull C

Question 4

When issuing the show mlag command, what should the peer-link negotiation status be in order for MLAG interfaces to be active-full?

Accepted Answer

A)   connected
B)   active
C)   established
D)   enforced

Question 5

What is the first command necessary when configuring SSH after entering global configuration mode?

Accepted Answer

A)   management
B)   line vty
C)   line ssh
D)   management ssh

Question 6

How might you filter the output from the show interfaces counters errors command to be more useful by removing lines containing all zeroes?

Accepted Answer

A)   show interfaces counters errors | grep nozeroes
B)   show interfaces counters errors | grep pipe nozeroes
C)   show interfaces counters errors | email tac@arista.com
D)   show interfaces counters errors | nz

Question 7

On what protocol is Multi-Switch CLI based?

Accepted Answer

A)   TELNET
B)   SCP
C)   SSH
D)   XMPP

Question 8

The Arista MLAG domain ID is:

Accepted Answer

A)   a text string configured in each peer switch
B)   a serial number tied to the chassis of the master switch
C)   the secret password into the local speakeasy
D)   a pseudorandom number generated by the on board atomic clock

Question 9

When configured as an MLAG domain, the Arista switches use the same MLAG System ID.

Accepted Answer

A) True 
 B)False

Question 10

Arista MLAG requires a second Peer-Keepalive link to be cabled between the switches in the MLAG domain.

Accepted Answer

A) True 
 B)False

Question 11

Complete this sentence: In an Arista MLAG configuration, interfaces on both devices participate in a ___.

Accepted Answer

A)   group conversation about the fastest Layer 3 routing protocol convergence scenarios
B)   negotiation over BGP router ID priorities
C)   distributed port channel, enabling all active paths to carry data traffic while maintaining the integrity of the STP topology
D)   disabled Layer 1 fiber optic speed negotiation

Question 12

With VXLAN, a table is created that contains all the known VXLAN Tunnel Endpoints within a VXLAN VNI. What is this table called?

Accepted Answer

A)   The mac-address-table
B)   The flood-list
C)   The ARP table
D)   There is no such table

Question 13

What does Arista use as a filename extension when creating EOS extensions?

Accepted Answer

A)   . swix . swix
B)   . ext ext
C)   . extension extension
D)   . swx swx

Question 14

What Arista feature helps with the diagnosis of microbursting events?

Accepted Answer

A)   LANZ
B)   DANZ
C)   PANZ
D)   FANZ

Question 15

If you were build a large-scale cloud-based architecture that required 100% efficient cell-based fabric, Virtual Output Queuing (VOQ), and 3.84 Tbps capacity per slot, which Arista switch series would be the correct choice?

Accepted Answer

A)   7010T
B)   7500E
C)   7300
D)   7150

Question 16

On EOS 4.15 and above, the ability to show JSON output for EOS CLI commands is available. Which of the following will successfully produce JSON output for the show version command?

Accepted Answer

A)   show version | show json
B)   show version | json
C)   show json | show version
D)   show version json

Question 17

How many line card slots are reserved for supervisors on the Arista 7300 series chassis switches?

Accepted Answer

A)   1
B)   2
C)   4
D)   none

Question 18

When using LANZ, which command would show you the number of segments configured on an Ethernet interface?

Accepted Answer

A)   show lanz status
B)   show lanz summary
C)   show queue-monitor length status
D)   show queue-monitor length summary

Question 19

If the SWI= statement in the boot-config file is invalid, what will happen when the switch reboots?

Accepted Answer

A)   The switch will not boot EOS, and will instead enter Aboot.
B)   The switch will load the first SWI image it finds on flash:
C)   The switch will power off.
D)   The switch will reboot itself and try again.

Question 20

Which of the following statements is false?

Accepted Answer

A)   You can run bash commands from CLI with the bash command.
B)   You can run CLI commands from bash with the Cli command.
C)   You can run CLI commands from bash with the FastCli command.
D)   You can run CLI commands from CLI with the Cli command.

Exam 1: Arista Certified Engineering Associate