CHAPTER - 8 : CONTROLLING SERVICES AND DAEMONS
CHAPTER : 8
CONTROLLING SERVICES AND DAEMONS
Questions:
1. To show status of ssh service –
a. systemctl status ssh
b. systemctl status sshd
c. systemctl status sshd.service
d. systemd status sshd
2. ---are processes that wait or run in the background performing various tasks
a. systemd b. daemons c. unit d. services e. socket
3. To listen for connections, a daemon uses a ---------------
a. systemd b. deamons c. unit d. services e. socket
4. What is the primary communication channel with local or remote clients
a. systemd b. daemons c. unit d. services e. socket
5. The ----- is passed to the daemon when a connection is established by the client.
a. systemd b. daemons c. unit d. services e. socket
6. A service often refers to one or more -----------
a. systemd b. daemons c. unit d. services e. socket
7. In Red Hat Enterprise Linux 7, process ID 1 is ---------
a. systemd b. daemons c. unit d. services e. socket
8. The systemctl command is used to manage different types of systemd objects, called -------
a. systemd b. daemons c. unit d. services e. socket
9. Query the state of all units to verify a system startup
a. Systemd b. systemctl c. service list d. systemctl all
10. View only failed services
a. systemctl --failed --type=service
b. systemctl -failed -type=service
c. systemctl --failed --type=services
d. systemctl --fail --type=service
11. To see ssh service is active or not?
a. systemctl is-active ssh
b. systemctl is-active sshd
c. systemctl is-active sshd.service
d. systemctl --is-active sshd
12. To see ssh service is enable or not?
a. systemctl is-enable sshd
b. systemctl is-enabled sshd
c. systemctl is-enable sshd.service
d. systemctl is-enable ssh
13. Verify that the process is running by PID.
a. ps -up PID
b. ps PID
c. ps up PID
14. To stop ssh service --
a. systemctl stop sshd
b. systemctl end sshd
c. systemctl stop ssh
d. systemctl destroy sshd
15. If you reload the service by deamon, process ID of that service is not changed.
a. True b. False
16. To stop print service, what command you will use?
a. systemctl stop cups
b. systemctl stop print.service
c. systemctl break print.service
d. systemctl end cups
17. A disabled service will not be started automatically at boot or by other unit files, but can be started manually.
a. True b. false
18. A masked service cannot be started manually or automatically
a. True b. False
19. After disabling/stopping the ssh service, how you can protect to start the ssh service accidentally?
a. systemctl mask sshd
b. systemctl unmask sshd
c. systemctl mask ssh
d. systemctl unmask ssh
20. Now if you want to start the ssh service, what you will do?
a. systemctl unmask ssh
b. systemctl unmask sshd
c. systemctl mask sshd
d. systemctl mask ssh
21. Completely disable a service from being started, both manually and at boot.
a. systemctl mask UNIT
b. systemctl unmask UNIT
c. systemctl disable UNIT
d. systemctl stop UNIT
22. To Make a masked service available
a. systemctl mask UNIT
b. systemctl unmask UNIT
c. systemctl disable UNIT
d. systemctl stop UNIT
23. Disable a service from starting at boot time
a. systemctl mask UNIT
b. systemctl unmask UNIT
c. systemctl disable UNIT
d. systemctl stop UNIT
24. View detailed information about a unit state
a. systemctl mask UNIT
b. systemctl status UNIT
c. systemctl list UNIT
d. systemctl all UNIT
25. Determine the status of system daemons and network services started by systemd.
a. True b. False
Red Prism Group ins one of the best Django coaching in Noida. Learn Django from industry expert with practical training, live projects and got your certificate.
ReplyDelete