Question 1

Why is it recommended for root's homedir to be in a separate location from other users' homedirs?

Accepted Answer

A)  Because root doesn't want to hang out with pesky users 
B)  Because users are annoying 
C)  Because root's homedir permissions prevent user access 
D)  Because user homedirs are sometimes a separate filesystem that may not be mounted in single user mode

Question 2

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

Accepted Answer

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

Question 3

The ps -ef command is from which UNIX variant?

Accepted Answer

A)  AIX 
B)  System V 
C)  Linux 
D)  BSD

Question 4

What editor is vi based on?

Accepted Answer

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

Question 5

Ubuntu is a popular distribution from which core tree?

Accepted Answer

A)  Fedora 
B)  Linux 
C)  Debian 
D)  Slackware

Question 6

In bash scripting, which of the following comparison operators are used on strings?

Accepted Answer

A)  -gt 
B)  -eq 
C)  == 
D)  <= 
E)  -f

Question 7

What tool is awk based on?

Accepted Answer

A)  ed 
B)  grep 
C)  sed 
D)  emacs

Question 8

In a bash script, what does the $0 builtin variable contain?

Accepted Answer

A)  The entire command line 
B)  The name of the script 
C)  The last command line argument 
D)  The number of command line arguments

Question 9

Which of the following interpreters are included on Arista switches?

Accepted Answer

A)  /usr/bin/bash 
B)  /usr/bin/perl 
C)  /usr/bin/python 
D)  /usr/bin/Cli 
E)  All of them

Question 10

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

Accepted Answer

A)  !! 
B)  $! 
C)  #$ 
D)  #!

Question 11

The three permissions in the file mode are

Accepted Answer

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

Question 12

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

Accepted Answer

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

Question 13

Which character matches the end of a line in a regular expression?

Accepted Answer

A)  ! 
B)  ^ 
C)  $ 
D)  (?)

Question 14

an SSH private key should never be shared with other users or host systems.

Accepted Answer

A) True 
 B)False

Question 15

In /etc/shadow, what indicates a locked password?

Accepted Answer

A)  ! 
B)  !! 
C)  *LK 
D)  * 
E)  All of these

Question 16

What software is contained in a Linux distribution?

Accepted Answer

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.

Question 17

RHEL is a popular distribution from which core tree?

Accepted Answer

A)  Fedora 
B)  Linux 
C)  Debian 
D)  Slackware

Question 18

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

Accepted Answer

A)  it reports total memory on the system 
B)  it reports buffer activity 
C)  it reports disk I/O 
D)  it reports memory swapping

Question 19

If the 1-minute load average is greater than 4xCPU cores (in other words, the run queue is very large), what might the system need to improve performance?

Accepted Answer

A)  Faster CPUs 
B)  More CPUs 
C)  More memory 
D)  Faster hard drives

Question 20

On an Arista switch, where in the filesystem is the flash drive mounted?

Accepted Answer

A)  /root 
B)  /boot 
C)  /mnt 
D)  /etc

Exam 2: Arista Linux Essentials Exam

Why is it recommended for root's homedir to be in a separate location from other users' homedirs?

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

The ps -ef command is from which UNIX variant?

What editor is vi based on?

Ubuntu is a popular distribution from which core tree?

In bash scripting, which of the following comparison operators are used on strings?

What tool is awk based on?

In a bash script, what does the $0 builtin variable contain?

Which of the following interpreters are included on Arista switches?

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

The three permissions in the file mode are

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

Which character matches the end of a line in a regular expression?

an SSH private key should never be shared with other users or host systems.

In /etc/shadow, what indicates a locked password?

What software is contained in a Linux distribution?

RHEL is a popular distribution from which core tree?

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

If the 1-minute load average is greater than 4xCPU cores (in other words, the run queue is very large) , what might the system need to improve performance?

On an Arista switch, where in the filesystem is the flash drive mounted?