Question 1

What character is used as shorthand for your homedir?

Accepted Answer

A)  $ 
B)  # 
C)  . 
D)  ~

Question 2

On Arista switches, what object format is used for automation and scripting?

Accepted Answer

A)  JSON 
B)  Java 
C)  Plain text files 
D)  Stream editing

Question 3

The standard input file descriptor defaults to what?

Accepted Answer

A)  Screen 
B)  Keyboard 
C)  Hard Drive 
D)  Null Device

Question 4

To create or delete files in a directory, you need what permission?

Accepted Answer

A)  read 
B)  write 
C)  execute 
D)  setuid

Question 5

What is the name of the Linux mascot?

Accepted Answer

A)  Linus 
B)  Bell 
C)  Tux 
D)  Dennis Ritchie

Question 6

The three special file modes are

Accepted Answer

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

Question 7

Who invented Linux?

Accepted Answer

A)  Dennis Ritchie 
B)  Andy Bechtolsheim 
C)  AT&T Bell Labs 
D)  Linus Torvalds

Question 8

Which utility can be used to place a stream of input in order numerically or alphabetically?

Accepted Answer

A)  sort 
B)  cut 
C)  paste 
D)  diff 
E)  grep

Question 9

Which of these characters is not valid for filenames?

Accepted Answer

A)  * 
B)  ! 
C)  / 
D)  & 
E)  <space>

Question 10

The ps aux command is from which UNIX variant?

Accepted Answer

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

Question 11

The cron system is used to

Accepted Answer

A)  set the system clock 
B)  run something at a later time 
C)  schedule something to run at intervals 
D)  timestamp the system logs

Question 12

Given the following directory structure, which commands would successfully remove the fubar directory?

Accepted Answer

A)  rm -r fubar 
B)  rmdir -p fubar 
C)  rmdir -p fubar/bar 
D)  rm fubar/bar 
E)  rm fubar

Question 13

Where will the find command look to locate files?

Accepted Answer

A)  The system binary directories 
B)  Your $PATH 
C)  Recursively starting in the directory you specify in the command options 
D)  Recursively starting at/

Question 14

Which of the following are valid examples of script interpreters?

Accepted Answer

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

Question 15

To negate a set in a regular expression pattern, which character is used?

Accepted Answer

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

Question 16

In regular expressions, three quantifier operators are

Accepted Answer

A)  (), [] and {} 
B)  (),. and * 
C)  (), * and ? 
D)  *, ? and +

Question 17

Which of these statements is true?

Accepted Answer

A)  "." And "…" are always used in absolute paths 
B)  Absolute paths start with a "/" 
C)  Best practice is to always use absolute paths in scripts and when running commands as root 
D)  Relative paths can start with a "/"

Question 18

Where will the whereis command look to locate files?

Accepted Answer

A)  The system binary directories 
B)  Your $PATH 
C)  Root's $PATH 
D)  Recursively starting at/

Question 19

Which utility can be used to compare the content of two files?

Accepted Answer