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1. Which of the following are considered replacements for the traditional init process? (choose two)
- Sysinit
- Upstart
- Starter
- Systemd
2. Which runlevel number defines multi-user with no networking services?
- 2
- 0
- 5
- 1
- 6
- 4
- 3
3. Instead of using traditional runlevels, Systemd uses:
- Targets
- Variables
- States
- Functions
4. 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. 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. Which of the following commands can be used to reboot the system? (choose two)
- shutdown -r
- shutdown
- halt
- reboot
7. Which of the following commands can be used to halt the system? (choose two)
- shutdown
- reboot
- halt
- poweroff
8. Which runlevel number is defined as “user-definable”?
- 3
- 6
- 0
- 2
- 5
- 1
- 4
9. Which runlevel number defines rebooting the system?
- 1
- 2
- 3
- 6
- 4
- 0
- 5
10. Which runlevel number defines multi-user with networking services and no GUI?
- 4
- 3
- 6
- 2
- 1
- 0
- 5
11. Which runlevel number defines multi-user with GUI?
- 1
- 6
- 4
- 0
- 2
- 3
- 5
12. Which runlevel number defines halting the system?
- 0
- 3
- 2
- 6
- 4
- 5
- 1
13. Which command will display both the current runlevel and the previous runlevel?
- run
- level
- rl
- runlevel
14. On a Ubuntu system, what variable defines the default runlevel in the /etc/init/rc-sysinit.conf file?
- RUNLEVEL
- DEFAULT
- DEFAULT_RUNLEVEL
- RUN
15. For traditional init, the _____ file is where the initial default runlevel is defined.
- /etc/initdefault
- /etc/init
- /etc/inittab
- /etc/sysinit
16. What option to the who command will display the current runlevel?
- -t
- -r
- -a
- -s
17. 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. 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. The same set of services are started or stopped at different runlevels.
True or False?
- True
- False
20. 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. 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. Which command is used to view the services that are set to start or stop automatically?
- lsconfig
- chkconfig
- initconfig
- config
23. 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. Which is the default runlevel for Debian based Linux systems?
- 3
- 5
- 4
- 2
25. 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. Which of the following commands is used as a traditional replacement for the init process?
- iostat
- ioctl
- systemctl
- sudo
27. Which of the following commands is used to view the status of all services?
- systemctl –a
- systemctl –l
- systemctl -l
- systemctl –all
28. Which of the following is not a Linux boot system?
- bootup
- systemd
- upstart
- init
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