ACE-A1.2 questions and answers

Question 1

Single choice

Which of the following commands will show all of the hardware on an Arista switch?

1. A

   show inventory

2. B

   show version

3. C

   show version detail

4. D

   show hardware

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Correct answerA

Explanation

References:
https://eos.arista.com/how-to-store-and-view-previous-contents-of-show-tech-support/

Question 2

Single choice

True or False: When configured as an MLAG domain, the Arista switches use the same MLAG System ID.

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 3

Single choice

Which of the following commands will create a static flood-list entry while in VXLAN interface configuration mode?

1. A

   vxlan flood vlan 103 vtep 10.1.14.1

2. B

   vxlan vlan 103 vtep flood 10.1.14.1

3. C

   vxlan vlan 103 flood vtep 10.1.14.1

4. D

   There is no such command.

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Correct answerC

Explanation

Question 4

Single choice

If you have an Arista switch with SFPs, which command will show the temperature of those SFPs?

1. A

   show interfaces transceiver

2. B

   show interfaces

3. C

   show interfaces status

4. D

   show sfp monitor

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Correct answerA

Explanation

References:
https://www.arista.com/ko/um-eos/eos-section-10-6-ethernet-configuration-commands

Question 5

Single choice

Which of the following commands will show the currently running version of EOS?

1. A

   show version

2. B

   show version detail

3. C

   bash more /etc/Eos-release

4. D

   all of the above

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Correct answerD

Question 6

Single choice

Which of the following statements are true?

1. A

   VMTracer is a licensed feature.

2. B

   VMTracer is free.

3. C

   VMTracer is only supported on certain Arista switches.

4. D

   VMTracer is not supported in vEOS.

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Correct answerA

Explanation

References:
https://www.arista.com/assets/data/pdf/TechBulletins/VMTracerOverview.pdf
( page 3)

Question 7

Single choice

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?

1. A

   show version | show json

2. B

   show version | json

3. C

   show json | show version

4. D

   show version json

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Correct answerB

Question 8

Single choice

Arista Switches employ which of the following?

1. A

   Merchant silicon ASICs

2. B

   Custom ASICs

3. C

   Both

4. D

   Arista switches do not use ASICs

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Correct answerA

Question 9

Single choice

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

1. A

   copy usb1:/EOS-4.15.0.swi flash:/EOS-4.15.0.swi

2. B

   copy usb:/EOS-4.15.0.swi flash:/EOS-4.15.0.swi

3. C

   copy drive0:/EOS-4.15.0.swi flash:/EOS-4.15.0.swi

4. D

   copy usb0:/EOS-4.15.0.swi flash:/EOS-4.15.0.swi

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Correct answerA

Question 10

Single choice

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

1. A

   .swix

2. B

   .ext

3. C

   .extension

4. D

   .swx

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Correct answerA

Explanation

References:
https://eos.arista.com/packaging-and-installing-eos-extensions/

Question 11

Single choice

True or False; you should disable Spanning-Tree on the Arista MLAG peer link VLAN?

1. A

   FALSE

2. B

   TRUE

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Correct answerB

Question 12

Single choice

Which Arista switch series shares fans with the Arista 7300 chassis switches?

1. A

   7500E

2. B

   7150

3. C

   7010

4. D

   7250QX

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Correct answerD

Question 13

Single choice

What is the name of the Arista EOS feature that allows you to set triggers and perform actions on those triggers?

1. A

   Event Manager

2. B

   Event Monitor

3. C

   Event Trigger

4. D

   Event History

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Correct answerA

Explanation

References:
https://eos.arista.com/introduction-to-managing-eos-devices-automation-and-extensibility/

Question 14

Single choice

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

1. A

   1

2. B

   2

3. C

   4

4. D

   none

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Correct answerB

Explanation

References:
https://www.arista.com/assets/data/pdf/Datasheets/7300X_DS.pdf
(page 4)

Question 15

Single choice

What distribution of Linux is EOS 4.14.1F built upon?

1. A

   Ubuntu

2. B

   Fedora

3. C

   CentOS

4. D

   SuSE

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Correct answerB

Question 16

Single choice

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

1. A

   show interfaces counters errors | grep nozeroes

2. B

   show interfaces counters errors | grep pipe nozeroes

3. C

   show interfaces counters errors | email [email protected]

4. D

   show interfaces counters errors | nz

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Correct answerD

Explanation

References:
https://eos.arista.com/introduction-to-managing-eos-devices-annex-b-eos-tips-for-power-users/

Question 17

Single choice

Where does SysDB store its contents when the switch reboots?

1. A

   flash:

2. B

   /mnt/flash

3. C

   /home/admin

4. D

   none of the above

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Correct answerA

Question 18

Single choice

Which command will disable Adaptive Segmentation in VMTracer?

1. A

   Student-01(config-vmtracer-session)#autovlan disable

2. B

   Student-01(config-vmtracer-session)#no autovlan

3. C

   Student-01(config-vmtracer-session)#no autovlan enable

4. D

   Adaptive Segmentation cannot be disabled in VMTracer

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Correct answerA

Explanation

References:
https://www.arista.com/assets/data/pdf/user-manual/um-eos-4172f/Chapters/um-eos-4172f_VM%20Tracer.pdf(page4)

Question 19

Single choice

Which command below is valid to use as a way to verify the status of the MLAG peer-link?

1. A

   show mlag

2. B

   show mlag interface

3. C

   show mlag peer-link

4. D

   show mlag detail

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Correct answerA

Explanation

References:
https://eos.arista.com/mlag-basic-configuration/#Verify_spanning-tree_on_both_MLAG_peers

Question 20

Single choice

The Arista MLAG domain ID is:

1. A

   a text string configured in each peer switch

2. B

   a serial number tied to the chassis of the master switch

3. C

   the secret password into the local speakeasy

4. D

   a pseudorandom number generated by the on board atomic clock

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Correct answerA

Explanation

References:
https://www.arista.com/assets/data/pdf/user-manual/um-eos-4172f/Chapters/um-eos-4172f_Multi-Chassis%20Link%20Aggregation.pdf(page2)