Arista ACE-P-ALE1.04 Online Practice Questions and Exam Preparation

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

• Question 81:

  Which utility can be used to compare the content of two files?

  A. sort
  B. cut
  C. paste
  D. diff
  E. grep
  D. diff

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  Explanation/Reference:

  Reference: https://www.softwaretestinghelp.com/compare-two-files-unix/

• Question 82:

  Which of the following performance information is considered the most important information provided by the vmstat command?

  A. it reports total memory on the system
  B. it reports buffer activity
  C. it reports disk I/O
  D. it reports memory swapping
  D. it reports memory swapping

• Question 83:

  Which of these shells are POSIX compliant?

  A. bash
  B. ksh
  C. csh
  D. zsh
  B. ksh

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  Explanation/Reference:

  Reference: https://en.wikibooks.org/wiki/Guide_to_Unix/Explanations/Choice_of_Shell

• Question 84:

  Ubuntu is a popular distribution from which core tree?

  A. Fedora
  B. Linux
  C. Debian
  D. Slackware
  B. Linux

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  Explanation/Reference:

  https://answers.syr.edu/display/os/Linux+Distributions

• Question 85:

  In /etc/shadow, what indicates a locked password?

  A. !
  B. !!
  C. *LK
  D. *
  E. All of these
  A. !

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  Explanation/Reference:

  Reference: https://www.cyberciti.biz/faq/understanding-etcshadow-file/

• Question 86:

  What is the two-character sequence at the top of scripts, which tells the kernel what interpreter to use, called?

  A. Scripthash
  B. Bangscript
  C. Hashscript
  D. Shebang
  D. Shebang

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  Explanation/Reference:

  Reference https://en.wikipedia.org/wiki/Shebang_(Unix)

• Question 87:

  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
  C. /usr/bin/python

• Question 88:

  How much swap space is available on Arista switches?

  A. 4GB
  B. 0 bytes
  C. 1GB
  D. 640kB
  B. 0 bytes

• Question 89:

  What character is used as shorthand for your homedir?

  A. $
  B. #
  C. .
  D. ~
  D. ~

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  Explanation/Reference:

  Each Linux account is associated with a home directory. When you login to your Linux account, by default, your current working directory will be your home directory. UNIX provides a short-hand symbol for your home directory, the tilde character, ~. So, to see a list of files in your home directory, you can execute ls ~

• Question 90:

  Where will the whereis command look to locate files?

  A. The system binary directories
  B. Your $PATH
  C. Root's $PATH
  D. Recursively starting at/
  B. Your $PATH

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  Explanation/Reference:

  https://en.wikibooks.org/wiki/Guide_to_Unix/Commands/Finding_Files#whereis