Introduction to Linux I Chapter 18

Last Updated on May 20, 2021 by Admin

Introduction to Linux I Chapter 18 Exam Answer

1. Question ID 820

   Which of the following are considered replacements for the traditional init process?

   (choose two)

   • Sysinit
   • Upstart
   • Starter
   • Systemd

2. Question ID 825

   Which runlevel number defines multi-user with no networking services?

   • 2
   • 0
   • 5
   • 1
   • 6
   • 4
   • 3

 

3. Question ID 827

   Instead of using traditional runlevels, Systemd uses:

   • Targets
   • Variables
   • States
   • Functions

4. Question ID 832

   Which of the following commands will allow you to change the system runlevel, on a system with traditional init?

   (choose two)

   • telinit
   • systemctl
   • init
   • chginit

5. Question ID 833

   Which of the following commands will allow you to change the system to another runlevel, on a system with Systemd?

   (choose two)

   • telinit
   • systemctl
   • chginit
   • init

 

6. Question ID 834

   Which of the following commands can be used to reboot the system?

   (choose two)

   • shutdown -r
   • shutdown
   • halt
   • reboot

7. Question ID 835

   Which of the following commands can be used to halt the system?

   (choose two)

   • shutdown
   • reboot
   • halt
   • poweroff

8. Question ID 998

   Which runlevel number is defined as “user-definable”?

   • 3
   • 6
   • 0
   • 2
   • 5
   • 1
   • 4

9. Question ID 999

   Which runlevel number defines rebooting the system?

   • 1
   • 2
   • 3
   • 6
   • 4
   • 0
   • 5

 

10. Question ID 1000

    Which runlevel number defines multi-user with networking services and no GUI?

    • 4
    • 3
    • 6
    • 2
    • 1
    • 0
    • 5

11. Question ID 1001

    Which runlevel number defines multi-user with GUI?

    • 1
    • 6
    • 4
    • 0
    • 2
    • 3
    • 5

12. Question ID 1002

    Which runlevel number defines halting the system?

    • 0
    • 3
    • 2
    • 6
    • 4
    • 5
    • 1

13. Question ID 1003

    Which command will display both the current runlevel and the previous runlevel?

    • run
    • level
    • rl
    • runlevel

14. Question ID 1006

    On a Ubuntu system, what variable defines the default runlevel in the /etc/init/rc-sysinit.conf file?

    • RUNLEVEL
    • DEFAULT
    • DEFAULT_RUNLEVEL
    • RUN

15. Question ID 1007

    For traditional init, the _____ file is where the initial default runlevel is defined.

    • /etc/initdefault
    • /etc/init
    • /etc/inittab
    • /etc/sysinit

16. Question ID 1008

    What option to the who command will display the current runlevel?

    • -t
    • -r
    • -a
    • -s

 

17. Question ID 1017

    Where are the scripts used to manage the init process located?

    • /etc/rc.init
    • /rc.d/init.d
    • /etc/rc.d/init.d
    • /etc/init/rc.d

18. Question ID 1018

    Which of the following can be used to restart the HTTP service?

    (choose two)

    • /etc/init.d/httpd restart
    • service httpd restart
    • service httpd re start
    • service https restart

19. Question ID 1019

    The same set of services are started or stopped at different runlevels.

    True or False?

    • True
    • False

20. Question ID 1020

    Which directories exist in the /etc/rc.d directory?

    • d. rc0.d, rc1.d, rc2.d, rc3.d, rc4.d, rc5.d and rc6.d
    • c. rc0d, rc1d, rc2d, rc3d, rc4d and rc5d
    • rc0.d, rc2.d, rc4.d, and rc6.d
    • b. rc0, rc1, rc2, rc3, rc4, rc5 and rc6

21. Question ID 1021

    Which of the following commands will have the httpd service start at runlevel 5?

    • ln -s /etc/init.d/httpd /etc/rc.d/rc5.d/S85httd
    • cp /etc/init.d/httpd /etc/init.d/rc5.d
    • ln -s /etc/init.d/httpd /etc/rc.d/rc5.d/K85httpd
    • cp /etc/init.d/httpd /etc/rc.d

22. Question ID 1022

    Which command is used to view the services that are set to start or stop automatically?

    • lsconfig
    • chkconfig
    • initconfig
    • config

23. Question ID 1023

    Which of the following is used to turn off the atd service at runlevels 2 and 4?

    • chkconfig –off 24 atd
    • chkconfig –level 24 atd disable
    • chkconfig –level 24 atd off
    • chkconfig –level 24 atd auto off

24. Question ID 1024

    Which is the default runlevel for Debian based Linux systems?

    • 3
    • 5
    • 4
    • 2

25. Question ID 1025

    Which of the following is used to define the start of the Apache web server for runlevels 2-4 in the /etc/init.d/apache2.conf file?

    • start on runlevel [2-4]
    • start on run_level [234]
    • enable runlevel [234]
    • start on runlevel [234]

26. Question ID 1026

    Which of the following commands is used as a traditional replacement for the init process?

    • iostat
    • ioctl
    • systemctl
    • sudo

27. Question ID 1027

    Which of the following commands is used to view the status of all services?

    • systemctl –a
    • systemctl –l
    • systemctl -l
    • systemctl –all

28. Question ID 1028

    Which of the following is not a Linux boot system?

    • bootup
    • systemd
    • upstart
    • init