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Free Arista Linux Essentials Exam Braindumps (page: 7)

Page 6 of 25
PDF with 100 Questions

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






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