Online Free Questions For LPIC-1: System Administrator 102-400 Exam

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Which command is used to set the hostname of the local system? (Specify only the command without any path or parameters.)

2. Which of the following is a valid IPv6 address?

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What command, depending on its options, can display the open TCP connections, the routing tables, as well as network interface statistics? (Specify only the command without any path or parameters.)

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Which command included in NetworkManager is a curses application which provides easy acces to the NetworkManager on the command line? (Specify only the command without any path or parameters.)

5. Which if the following tools, used for DNS debugging, reports not only the response from the name sever but also details about the query?

6. Which of the following statements is valid in the file /etc/nsswitch.conf?

7. Which of the following connection types, as seen in nmcli connection show, may exist in NetworkManager? (Choose three.)

8. On a Linux workstation, the route command takes a long time before printing out the routing table.

Which of the following errors does that indicate?

9. What is true about the Hop Limit field in the IPv6 header?

10. Which of the following nmcli subcommands exist? (Choose two.)

11. Which of the following changes may occur as a consequence of using the command ip? (Choose three.)

12. How many IP addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/26?

13. Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose three.)

14. Which of the following commands configure network interfaces based on the system’s existing distribution-specific configuration files? (Choose two.)

15. Which of the following statements is true if the UID of a regular user is identical to the GID of a group?

16. Which of the following information is stored in /etc/shadowfor each user?

17. Which of the following commands shows all active systemd timers?

18. Which of the following tasks can the date command accomplish? (Choose two.)

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Which file, if present, must contain all users that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)

20. What can be specified with useradd? (Choose two.)

21. What is true about the file /etc/localtime?

22. Which of the following statements is true regarding systemd timer units?

23. Which of the following fields are available in the standard format of both the global /etc/crontab file as well as in user-specific crontab files? (Choose two.)

24. Which of the following commands should be executed when starting a login shell in order to change the language of messages for an internationalized program to Portuguese (pt)?

25. Which of the following files assigns a user to its primary group?

26. Which of the following steps prevents a user from obtaining an interactive login session?

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Which command included in systemd supports selecting messages from the systemd journal by criteria such as time or unit name? (Specify only the command without any path or parameters.)

28. Which of the following statements about systemd-journald are true? (Choose three.)

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Which command must be run after adding a new email alias to the configuration in order to make this change effective? (Specify the command without any path but including all required parameters.)

30. Which option in the chrony configuration file changes the initial interval of polls to a NTP server in order to speed up the initial synchronization?

31. Which of the following commands is used to rotate, compress, and mail system logs?

32. Why is the correct configuration of a system’s time zone important?

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Which command, available with all sendmail-compatible MTAs, is used to list the contents of the MTA’s mail queue? (Specify only the command without any path or parameters.)

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What is the top-level directory which contains the configuration files for CUPS? (Specify the full path to the directory.)

35. Which of the following commands lists all queued print jobs?

36. Which of the following entries in /etc/syslog.conf writes all mail related events to the file /var/log/maillog and sends all critical events to the remote server logger.example.com?

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Which option in the /etc/ntp.conffile specifies an external NTP source to be queried for time information? (Specify only the option without any values or parameters.)

38. Which of the following protocols is related to the term open relay?

39. Which of the following commands displays all environment and shell variables?

40. Which of the following comparison operators for test work on elements in the file system? (Choose two.)