XK0-005 Free Practice Test

What is the main objective when using Application Control?

1. A. To filter out specific content.
2. B. To assist the firewall blade with handling traffic.
3. C. To see what users are doing.
4. D. Ensure security and privacy of information.

Correct Answer: C

A systems administrator is tasked with preventing logins from accounts other than root, while the file
/etc/nologin exists. Which of the following PAM modules will accomplish this task?

1. A. pam_login.so
2. B. pam_access.so
3. C. pam_logindef.so
4. D. pam_nologin.so

Correct Answer: D

A development team asks an engineer to guarantee the persistency of journal log files across system reboots. Which of the following commands would accomplish this task?

1. A. grep -i auto /etc/systemd/journald.conf && systemctl restart systemd-journald.service
2. B. cat /etc/systemd/journald.conf | awk '(print $1,$3)'
3. C. sed -i 's/auto/persistent/g' /etc/systemd/journald.conf && sed -i 'persistent/s/ˆ#//q'/etc/systemd/journald.conf
4. D. journalctl --list-boots && systemctl restart systemd-journald.service

Correct Answer: A

A Linux systems administrator receives a notification that one of the server’s filesystems is full. Which of the following commands would help the administrator to identify this filesystem?

1. A. lsblk
2. B. fdisk
3. C. df -h
4. D. du -ah

Correct Answer: C

A systems administrator is encountering performance issues. The administrator runs 3 commands with the following output

The Linux server has the following system properties CPU: 4 vCPU
Memory: 50GB
Which of the following accurately describes this situation?

1. A. The system is under CPU pressure and will require additional vCPUs
2. B. The system has been running for over a year and requires a reboot.
3. C. Too many users are currently logged in to the system
4. D. The system requires more memory

Correct Answer: B