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

• Question 61:

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

  A. sort

  B. cut

  C. paste

  D. diff

  E. grep

  Correct Answer: D

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

• Question 62:

  The ps aux command is from which UNIX variant?

  A. AIX

  B. System V

  C. Linux

  D. BSD

  Correct Answer: B

• Question 63:

  The three classes in the file mode are

  A. owner/group/world

  B. read/write/execute

  C. user/group/other

  D. setuid/setgid and sticky

  Correct Answer: B

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

• Question 64:

  Which of these statements is true about user groups on Linux?

  A. A user may be a member of more than one group

  B. A group may have more than one-member user

  C. Groups may not be nested

  D. Groups may be nested

  Correct Answer: A

  Reference: https://superuser.com/questions/477050/can-a-linux-user-belong-to-more-than- one-group

• Question 65:

  What software is contained in a Linux distribution?

  A. The full operating system, including the kernel, package manager, GNU tools and libraries, documentation, a GUI, and other software.

  B. Optional software that sits on top of the kernel and includes package management and a GUI.

  C. A repository of optional software available to install via the package management system.

  D. A specially modified kernel designed to perform one task extremely well.

  Correct Answer: A

• Question 66:

  When configuring SSH, which file is needed for key-based authentication?

  A. known_hosts

  B. /etc/shadow

  C. /etc/passwd

  D. authorized_keys

  Correct Answer: D

  Reference: https://www.digitalocean.com/community/tutorials/how-to-configure-ssh-key- based-authentication-on-a-linux-server

• Question 67:

  On an Arista switch, you can use zcat and zmore to do what?

  A. View compressed text files from bash

  B. View compressed text files from Cli

  C. View any file from bash

  D. View any file from Cli

  E. Those commands don't exist on Arista switches

  Correct Answer: B

• Question 68:

  Which commands can be used to copy a file to or from remote host?

  A. scp only

  B. rsync only

  C. scp and rsync

  D. both cp and scp

  E. cp, scp and rsync

  Correct Answer: C

  https://linuxtechlab.com/files-transfer-scp-rsync-commands/

• Question 69:

  Which of the following filesystems are you most likely to see on a Linux system?

  A. XFS

  B. ext2fs

  C. NTFS

  D. exFAT

  Correct Answer: B

  Reference: https://recoverhdd.com/blog/linux-file-systems-what-you-need-to-know.html

• Question 70:

  On Arista switches, what object format is used for automation and scripting?

  A. JSON

  B. Java

  C. Plain text files

  D. Stream editing

  Correct Answer: A