Question 1

To kill all of the jobs you have access to kill, use which command?

Accepted Answer

A)  kill -1 1 
B)  kill 1 
C)  kill -9 1 
D)  kill -9 -1

Question 2

What does grep stand for?

Accepted Answer

A)  global regular expression print 
B)  global regular expression pattern 
C)  glob regex execute pattern 
D)  glob regex execute print

Question 3

In file globbing, which symbol matches any single character?

Accepted Answer

A)  * 
B)  (?) 
C)  [] 
D)  .

Question 4

The sed utility's name is short for what?

Accepted Answer

A)  stdout editor 
B)  stream editor 
C)  simple editor 
D)  string editor

Question 5

When using the sudo command to run something as root, which password is required?

Accepted Answer

A)  The user's password 
B)  The enable password 
C)  The shadow password 
D)  The root password

Question 6

What is the standard sequence for booting a standard PC?

Accepted Answer

A)  POST->BIOS->Kernel 
B)  BIOS->Kernel->POST->OS 
C)  BIOS->MBR->POST->Kernel 
D)  POST->BIOS->Boot Loader->Kernel

Question 7

Which utility can be used to remove sections or columns of each line of input?

Accepted Answer

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

Question 8

The three classes 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 9

What is the MBR?

Accepted Answer

A)  Microcomputer Boot Resistor 
B)  Master Boot Relocator 
C)  Master Boot Record 
D)  Megabyte Barometric Recombinator

Question 10

How much swap space is available on Arista switches?

Accepted Answer

A)  4GB 
B)  0 bytes 
C)  1GB 
D)  640kB

Question 11

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

Accepted Answer

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

Question 12

Which of the following commands is most likely to cause you to need to restore from backup?

Accepted Answer

A)  rm -rf 
B)  netstat -nr 
C)  reboot 
D)  ls -la

Question 13

What is the awk tool designed to be?

Accepted Answer

A)  a calculator 
B)  a pattern matching programming language 
C)  a non-interactive editing tool 
D)  an operating system

Question 14

If there are three arguments on the command line to a bash script, what will be the contents of $# builtin variable?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4

Question 15

What is the difference between bin directories and sbin directories?

Accepted Answer

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

Question 16

Which special device provides an endless stream of null output?

Accepted Answer

A)  /dev/null 
B)  /dev/zero 
C)  /dev/urandom 
D)  /dev/blank

Question 17

Which commands can be used to copy a file locally?

Accepted Answer

A)  cp only 
B)  scp pnly 
C)  rsync only 
D)  both cp and scp 
E)  cp, scp and rsync

Question 18

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

Accepted Answer

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

Question 19

On an Arista switch, you can use zcat and zmore to do what?

Accepted Answer

A)  View compressed text files from bash 
B)  View compressed text files from Cli 
C)  View any file from bash 
D)  View any file from Cli 
E)  Those commands don't exist on Arista switches

Question 20

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

Accepted Answer

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

Exam 2: Arista Linux Essentials Exam