Lesson 10 Quiz

Question 1

Select TWO commands that are often used to backup and restore files.

a) restore
b) cpio
c) tar
d) backup

Answer 1

b) cpio

c) tar

Question 2

On Red Hat you use the rpm command. Which command listed below is most similar to rpm?

a) apt-get
b) apt-cache
c) apt
d) dpkg

Answer 2

d) dpkg

Question 3

Select TWO files that are related to usernames and paswords.

a) /etc/usernames
b) /etc/passwords
c) /etc/shadow
d) /etc/passwd

Answer 3

b) /etc/passwords

c) /etc/shadow

Question 4

You want to display the list of open files. Enter ONLY the command, without any command-line arguments.

Answer 4

losf

Question 5

What command can you use to display the top users of CPU time?

a) vmstat
b) hoggers
c) top
d) vmstat –top

Answer 5

c) top

Question 6

You want to display virtual memory statistics every 2 seconds for a total of 3 interrations. Select the command you would use.

a) vmstat 2 3
b) top 3 2
c) vmstat 3 2
d) top 2 3

Answer 6

a) vmstat 2 3

Question 7

This is the system logging daemon/service.

a) system-config-logger
b) logrotate
c) rsyslogd
d) system-logger

Answer 7

c) rsyslogd

Question 8

You need to look for shared libraries on a Linux system. You put on your sunglasses. Select TWO filename extensions below that are used for shared libraries.

a) .so.version
b) .so
c) .dll
d) .a

Answer 8

a) .so.version

b) .so

Question 9

As a Linux user, you need to edit your personal crontab file. What command do you use?

a) cronedit
b) crontab
c) sudo crontab
d) cron

Answer 9

b) crontab

Question 10

Enter the “process status” command. Enter ONLY the command, without any command-line options.

Answer 10

ps

Question 11

On Red Hat you use the yum comamnd. What command listed below is most like yum?

a) apt-get
b) dpkg-get
c) dpkg
d) yummy-in-my-tummy

Answer 11

a) apt-get

Question 12

You need to list the dynamic dependencies for /bin/bash. Enter the EXACT COMMAND you would use (including any command-line parameters) to list the dynamic dependencies in /bin/bash

Answer 12

ldd /bin/bash

Question 13

This command allows you to run a single command at a specific time in the future.

a) at
b) crond
c) anacron
d) batch

Answer 13

a) at

Question 14

This is used to manage and rotate log files.

a) rsyslogd
b) logrotate
c) logger
d) rotater

Answer 14

b) logrotate

Question 15

This command is part of systemd and display info about system clock and date.

a) calendar
b) date
c) timedatectl
d) time

Answer 15

c) timedatectl

Question 16

Select TWO daemons/serviers that allow you to schedule a program to run on a periodic basis.

a) anacron
b) batch
c) crond
d) at

Answer 16

a) anacron

c) crond

Question 17

Disk quotas are only available if the filesystem is mounted with userquota or grpquota options.

True
False

Answer 17

True

Question 18

Select TWO ways you can display partitions on /dev/sda.

a) fdisk -l /dev/sda
b) disk-manager /dev/sda
c) parted /dev/sda print
d) partition-print /dev/sda

Answer 18

a) fdisk -l /dev/sda

c) parted /dev/sda print

Question 19

You are on a Debian System. You just ate a hamburger for lunch. What command could you use to view info on installed packages.

a) rpm
b) dpkg
c) apt-cache
d) yum

Answer 19

c) apt-cache

Question 20

You need to reload the cache library info from /etc/ld.so.conf. What command to you use?

a) ldconfig –after-reboot
b) ldconfig
c) ldd
d) ldd –after-reboot

Answer 20

b) ldconfig