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

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

• Question 1:

  The fstab file contains what information?

  A. The runlevel of the system
  B. Currently mounted filesystems
  C. Filesystems to mount at boot
  D. NFS file systems mounted by users
  B. Currently mounted filesystems

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  explanation:

  Explanation/Reference:

  http://www.linfo.org/etc_fstab.html

• Question 2:

  What is the difference between bin directories and sbin directories?

  A. It doesn't matter ?binaries are randomly placed in one or the other
  B. Executables in sbin require root access
  C. Executables in bin are for all users, while sbin is for system-related executables generally used by the root user
  D. They are linked, so they both hold the same executables
  C. Executables in bin are for all users, while sbin is for system-related executables generally used by the root user

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  explanation:

  Explanation/Reference:

  Reference: http://blog.taylormcgann.com/2014/04/11/difference-bin-sbin/

• Question 3:

  Which answer best describes three important system performance monitoring indicators?

  A. Load avg, idle CPU and swapping
  B. Uptime, load avg and idle CPU
  C. Load avg, idle CPU and free memory
  D. System CPU, user CPU and load avg
  E. Uptime, system CPU and free memory
  C. Load avg, idle CPU and free memory

• Question 4:

  In bash scripting, which of the following is NOT valid way of evaluating an arithmetic expression?

  A. $(( ))
  B. ${}
  C. $[]
  D. let
  C. $[]

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  explanation:

  Explanation/Reference:

  https://ryanstutorials.net/bash-scripting-tutorial/bash-arithmetic.php

• Question 5:

  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 6:

  What free optional software package allows the Linux kernel to support proprietary filesystems such as ExFAT and NTFS?

  A. VFS
  B. inodes
  C. FUSE
  D. UFS
  C. FUSE

• Question 7:

  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 8:

  Which if these is NOT true of symbolic, or soft, links?

  A. Has its own inode
  B. Is just a directory entry
  C. Can cross mount points
  D. Can point to a directory
  C. Can cross mount points

• Question 9:

  The init system in Linux has been replaced by what?

  A. SysDB
  B. systemd
  C. ProcMgr
  D. Lauchner
  B. systemd

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  explanation:

  Explanation/Reference:

  https://www.quora.com/Why-is-"systemd"-replacing-"init"-in-Linux

• Question 10:

  In regular expressions, to what does greedy vs. lazy refer?

  A. How many lines in a file the pattern will match
  B. How many times the pattern will match on a line
  C. How strict the pattern is required to be
  D. Whether the pattern quantifiers will stop at whitespace
  D. Whether the pattern quantifiers will stop at whitespace

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  explanation:

  Explanation/Reference:

  Reference: https://stackoverflow.com/questions/2301285/what-do-lazy-and-greedy-mean- in-the-context-of-regular-expressions