Free Arista Linux Essentials Exam Braindumps
Arista Linux Essentials Questions 21–25 (page: 6)

Updated On: 9-Feb-2026

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

  1. it reports total memory on the system
  2. it reports buffer activity
  3. it reports disk I/O
  4. it reports memory swapping

Answer(s): D



In regular expressions, three quantifier operators are

  1. (), [] and {}
  2. (),. and *
  3. (), * and ?
  4. *, ? and +

Answer(s): D


Reference:

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



The ps –ef command is from which UNIX variant?

  1. AIX
  2. System V
  3. Linux
  4. BSD

Answer(s): D


Reference:

https://askubuntu.com/questions/942529/which-to-use-of-ps-ef-or-ps-ef



What is the MBR?

  1. Microcomputer Boot Resistor
  2. Master Boot Relocator
  3. Master Boot Record
  4. Megabyte Barometric Recombinator

Answer(s): C



The three special file modes are

  1. owner/group/world
  2. read/write/execute
  3. user/group/others
  4. setuid/setgid and sticky

Answer(s): D


Reference:

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



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