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

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

• Question 91:

  Which two characters are required at the top of a script to inform the kernel on which interpreter to use? (choose two)

  A. !!
  B. $!
  C. #$
  D. #!
  B. $!
  D. #!

• Question 92:

  Which of these is true about the MBR?

  A. it contains the kernel
  B. it is not OS-specific
  C. it requires the Volume Boot Record
  D. it is always stored in memory
  B. it is not OS-specific

• Question 93:

  What was the first widely adopted commercial UNIX?

  A. ATandT System V
  B. Berkeley Software Distribution
  C. Linux
  D. Sun Solaris
  A. ATandT System V

• Question 94:

  Which special device provides a place for redirecting unneeded data?

  A. /dev/null
  B. /dev/zero
  C. /dev/urandom
  D. /dev/blank
  A. /dev/null

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  Explanation/Reference:

  Reference: https://bash.cyberciti.biz/guide//dev/null_discards_unwanted_output

• Question 95:

  On older Fedora Core systems, which dependency manager is used?

  A. apt
  B. deb
  C. rpm
  D. yum
  E. dnf
  E. dnf

• Question 96:

  What editor is vi based on?

  A. ed
  B. EMACS
  C. pico
  D. sed
  A. ed

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  Explanation/Reference:

  Reference https://en.wikipedia.org/wiki/Vi

• Question 97:

  What is the MBR?

  A. Microcomputer Boot Resistor
  B. Master Boot Relocator
  C. Master Boot Record
  D. Megabyte Barometric Recombinator
  C. Master Boot Record

• Question 98:

  The three permissions in the file mode are

  A. owner/group/world
  B. read/write/execute
  C. user/group/other
  D. setuid/setgid and sticky
  B. read/write/execute

• Question 99:

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

  A. known_hosts
  B. /etc/shadow
  C. /etc/passwd
  D. authorized_keys
  D. authorized_keys

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  Explanation/Reference:

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