Pass Your LPIC Level1 102-500 Exam on Feb 20, 2023 with 288 Questions
102-500 Free Exam Study Guide! (Updated 288 Questions)
NEW QUESTION 65
Which of the following sections exists in a systemd timer unit?
- A. [Timer]
- B. [Trigger]
- C. [Schedule]
- D. [cron]
- E. [Events]
Answer: A
NEW QUESTION 66
What is true about the following command?
nmcli device wifi connect WIFIoI
- A. NetworkManager opens a new public hotspot with the SSID WIFIoI.
- B. NetworkManager creates an unconfigured new virtual network interface named WIFIoI.
- C. NetworkManager returns an error in case the connection WIFIoI does not exist.
- D. NetworkManager creates a new wifi connection WIFIoI and activates it.
- E. NetworkManager returns an error because WIFIoI is an invalid wifi device.
Answer: D
NEW QUESTION 67
If an alias ls exists, which of the following commands updates the alias to point to the command ls -l instead of the alias's current target?
- A. alias ls='ls -l'
- B. set ls='ls -l'
- C. alias --update ls ls='ls -l'
- D. realias ls='ls -l'
- E. alias --force ls='ls -l'
Answer: A
NEW QUESTION 68
Of the ways listed, which is the best way to temporarily suspend a single user's ability to interactively login?
- A. Use change to expire the user account.
- B. Add the user name to /etc/nologin.
- C. Change the user name in /etc/passwd.
- D. Place the command logout in the user's profile.
- E. Change the user's password.
Answer: A
NEW QUESTION 69
On a dual boot system, every time the system is booted back into Linux the time has been set backward by one day. Which of the following commands will correct the problem?
- A. ntpdate pool.ntp.org
- B. hwclock --systohc --localtime
- C. time hwclock
- D. date -d '+ 1 day'
Answer: B
NEW QUESTION 70
Which of the following commands preloads and manages keys that are used for automatic authentication while logging in to other machines using SSH?
- A. ssh-keygen
- B. ssh-add
- C. ssh-agent
- D. sshd
Answer: C
NEW QUESTION 71
Which of the following information is stored in /etc/shadow for each user?
- A. The hashed password of the user
- B. The numerical user ID (UID)
- C. The timestamp of the user's last login
- D. The path to the user's home directory
- E. The user's private SSH keys
Answer: A
NEW QUESTION 72
Which of the following statements about systemd-journald are true? (Choose three.)
- A. It maintains metadata such as _UID or _PID for each message.
- B. It supports syslog facilities such as kern, user, and auth.
- C. It is incompatible with syslog and cannot be installed on a system using regular syslog.
- D. It only processes messages of systemd and not messages of any other tools.
- E. It can pass log messages to syslog for further processing.
Answer: A,B,E
NEW QUESTION 73
Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?
- A. quota
- B. edquota
- C. core
- D. ulimit
Answer: D
NEW QUESTION 74
Which of the following getent invocations lists all existing users?
- A. getent homes
- B. getent passwd
- C. getent uids
- D. getent logins
- E. getent users
Answer: B
NEW QUESTION 75
Which of the following are syslog facilities? (Choose two.)
- A. remote
- B. accounting
- C. local5
- D. postmaster
- E. mail
Answer: C,E
NEW QUESTION 76
After editing the TCP wrapper configuration to grant specific hosts access to a service, when do these changes become effective?
- A. The new configuration becomes effective immediately for all new connections.
- B. The new configuration becomes effective at the next system reboot.
- C. The new configuration becomes effective when the last established connection to the service is closed.
- D. The new configuration becomes effective after restarting the respective service.
- E. The new configuration becomes effective after restarting the tcpd service.
Answer: A
NEW QUESTION 77
You suspect that a gateway machine on your network has failed but you are unsure which machine. Which command will help locate the problem?
- A. nslookup
- B. netstat
- C. ifconfig
- D. traceroute
- E. ps
Answer: D
NEW QUESTION 78
Where are user specific crontabs stored?
- A. In the file /var/cron/user-crontab which is shared by all users.
- B. As individual per-user files in /etc/cron.user.d.
- C. In the .crontab file in the user's home directory.
- D. As individual per-user files within /var/spool/cron.
- E. In the database file /etc/crontab.db which is shared by all users.
Answer: D
NEW QUESTION 79
Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?
- A. ktrace
- B. quota
- C. edquota
- D. core
- E. ulimit
Answer: E
NEW QUESTION 80
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