arista ace-a1-2 practice test

Exam Title: Arista Certified Engineering Associate Exam

Last update: Nov 27 ,2025
Question 1

What is the default spanning-tree mode on an Arista switch?

  • A. STP is disabled
  • B. PVST
  • C. RPVST
  • D. MST
Answer:

D

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Question 2

What is required in order for Multi-Switch CLI to be implemented?

  • A. One or more Arista products with management xmpp enabled.
  • B. an XMPP-based server such as EJabberd
  • C. an instant messaging client such as Admium or Trillian
  • D. an SSD drive to the extensive logging produced by this feature.
Answer:

B

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Question 3

Which of the following statements is true with an Arista switch that has no configuration, but has
booted with ZTP disabled?

  • A. You may login directly as root, but only when using SSH.
  • B. You may login as root, but only if you login as admin first.
  • C. You can run root-level commands without a password after logging in as root.
  • D. You cannot issue root-level commands until you add a user with a password.
Answer:

D

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Question 4

What Arista feature helps with the diagnosis of microbursting events?

  • A. LANZ
  • B. DANZ
  • C. PANZ
  • D. FANZ
Answer:

A

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Question 5

On what interface(s) will ZTP send out requests?

  • A. Only the management interface.
  • B. Only the console.
  • C. All interfaces.
  • D. All connected interfaces.
Answer:

A

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Question 6

After configuration and enabling XMPP, what command can be used to verify its status?

  • A. show status xmpp
  • B. show xmpp status
  • C. show xmpp server
  • D. show xmpp server status
Answer:

B

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Question 7

What does LANZ do?
A. LANZ reports on microbursting events at extremely small intervals of time.
B. LANZ alters the flow of frames based on an interfaces high and low queue-thresholds.
C. LANZ is a form of QoS that allows for microsecond-levels of precision on interfaces that support it.
D. LANZ is the means whereby late packets can be analyzed.

Answer:

A
Data center switches sometimes suffer from a problem known as microbursting, wherein the buffers
become overrun and drop packets. The problem is that these microbursts happen often at
microsecond intervals, so the switches never report them. These prob lems can be horrific to
diagnose, and even worse to try and explain to executives. That is, unless you have an Arista switch
with latency analyzer (LANZ)

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Question 8

Arista MLAG uses which of the following protocols for inter-switch communication?

  • A. BGP
  • B. IEEE 1588
  • C. STP
  • D. None of the above
Answer:

C

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Question 9

In EOS, what is the default MLAG heartbeat interval?

  • A. 3600 seconds
  • B. 2 seconds
  • C. 5 minutes
  • D. 300 seconds
Answer:

B

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Question 10

ZTP can retrieve either an EOS configuration file or a script at boot. How does the switch determine
of the file being retrieved in a script or a configuration file?

  • A. If the first line of the file ends with a shebang (#!), the file is a configuration file.
  • B. If the first line of the file starts with a shebang (#!), the file is a script.
  • C. If the last line of the file ends with a shebang (#!), the file is a script.
  • D. If the last line of the file starts with a shebang (#!), the file is a configuration file.
Answer:

D

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