Arista Arista Certifications ACE-P-ALE1.04 Questions & Answers

• Question 41:

  What must you do to get a complete report from the lsof command?

  A. Run it at boot time

  B. Make it part of systemd

  C. Run it as root

  D. Run it as a regular user

  Correct Answer: C

• Question 42:

  When using the sudo command to run something as root, which password is required?

  A. The user's password

  B. The enable password

  C. The shadow password

  D. The root password

  Correct Answer: D

• Question 43:

  Which of the following is true when using the mv command to move a file to a new location on the same filesystem?

  A. It is not recommended because the filesystem could be corrupted

  B. It is slow because the data has to be read and written

  C. It is not recommended, and the cp command should be used instead

  D. It is very fast because only the directory entry needs updating

  Correct Answer: D

• Question 44:

  In regular expressions, three quantifier operators are

  A. (), [] and {}

  B. (),. and *

  C. (), * and ?

  D. *, ? and +

  Correct Answer: D

  Reference: https://www.perlmonks.org/?node_id=967

• Question 45:

  What is the name of the Linux mascot?

  A. Linus

  B. Bell

  C. Tux

  D. Dennis Ritchie

  Correct Answer: C

  Reference: https://en.wikipedia.org/wiki/Tux_(mascot)

• Question 46:

  Where will the find command look to locate files?

  A. The system binary directories

  B. Your $PATH

  C. Recursively starting in the directory you specify in the command options

  D. Recursively starting at/

  Correct Answer: C

  Reference: https://kb.iu.edu/d/admm

• Question 47:

  In a bash script, which of the following is the most common way to send output to the screen?

  A. echo

  B. write

  C. send

  D. print

  Correct Answer: A

• Question 48:

  Which of the following interpreters are included on Arista switches?

  A. /usr/bin/bash

  B. /usr/bin/perl

  C. /usr/bin/python

  D. /usr/bin/Cli

  E. All of them

  Correct Answer: C

• Question 49:

  Why is iostat not needed on an Arista switch?

  A. The CPU can't see the front panel interfaces to report on traffic

  B. EOS is installed on an in-memory filesystem that does not use a hard disk

  C. The memory is always full on an Arista switch

  D. The I/O on an Arista switch is too fast for the CPU E. Arista switches don't support hyperthreading

  Correct Answer: E

• Question 50:

  What are two primary variants of UNIX?

  A. ATandT and Bell Labs

  B. Sun and DEC

  C. BSD and System V

  D. Debian and Fedora

  Correct Answer: C

  Reference: https://earthsci.stanford.edu/computing/unix/overview/unixoverview.php