Arista Arista Certifications ACE-A1.2 Questions & Answers

• Question 101:

  Given the following output, what can you determine about Ethernet13?

  

  A. Ethernet13 has a QSFP interface

  B. Ethernet13 has a QSFP+interface

  C. Ethernet13 is an Agile Port

  D. Ethernet13 has a hardware error that is causing it to misreport its connection speed.

  Correct Answer: C

• Question 102:

  Many Arista switches support reversible air flow. When the fans installed on such a switch have red handles, which of the following statements would be correct?

  A. Cold air will be pulled in from the port side of the switch.

  B. Warm air will be pulled in from the starboard side of the switch.

  C. Hot air will be pulled in from the fan side of the switch.

  D. Hot air will be ejected from the fan side of the switch.

  Correct Answer: D

  Reference: https://www.arista.com/assets/data/docs/Manuals/QSG/QS_7000-Gen3_Color.pdf (page 5)

• Question 103:

  Which of the following Arista switches support LANZ?

  A. 7010

  B. 7150

  C. 7500E D. 7048T

  Correct Answer: D

  Reference: https://eos.arista.com/latency-analyzer-lanz-architectures-and-configuration/ #5_LANZ_lite_7500_and_7048T

• Question 104:

  When an Arista switch boots with no startup-config and ZTP enabled, before ZTP receives an IP address, in what state are the front-panel interfaces?

  A. All interfaces are shut down.

  B. All interfaces are disabled.

  C. All interfaces are routed ports (no switchport).

  D. All interfaces are switch ports (switchport).

  Correct Answer: C

  Reference: https://www.arista.com/en/um-eos/eos-section-11-6-ethernet-configuration-commands#ww1144090 https://www.arista.com/en/um-eos/eos-section-11-6-ethernet-configuration-commands#ww1144090

• Question 105:

  Which of the following best describes Arista's MLAG feature?

  A. utilizes bandwidth more efficiently with fewer uplinks blocked by Spanning Tree

  B. combines up to seven switches in a ring topology

  C. negotiates speed and duplex settings on 10Gb interfaces

  D. saves all dropped packets to be used at a later time

  Correct Answer: A

  Reference: https://www.arista.com/assets/data/pdf/Whitepapers/ Arista_Design_Guide_DCI_with_VXLAN.pdf (page 9)

• Question 106:

  In EOS, which of the following statements is the shortest acceptable abbreviation for entering global configuration mode?

  A. conf

  B. con

  C. config

  D. conf t

  Correct Answer: A

  

• Question 107:

  Which of the following EOS features might alleviate the need for screen-scraping in your scripts?

  A. The linux screen command

  B. LANZ

  C. eAPI

  D. Python

  Correct Answer: C

• Question 108:

  In EOS, what is the default MLAG heartbeat interval?

  A. 3600 seconds

  B. 2 seconds

  C. 5 minutes

  D. 300 seconds

  Correct Answer: B

  Reference: https://eos.arista.com/mlag-basic-configuration/

• Question 109:

  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.

  Correct Answer: B

• Question 110:

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

  A. BGP

  B. IEEE 1588

  C. STP

  D. None of the above

  Correct Answer: D

  Reference: https://eos.arista.com/mlag-basic-configuration/