Online Access Free XK0-006 Practice Test

Which of the following commands should an administrator use to see a full hardware inventory of a Linux system?

• A.dmidecode
• B.dmesg
• C.lsmod
• D.lscpu

Which of the following describes how a user's public key is used during SSH authentication?

• A.The user's public key is verified against a list of authorized keys. If it is found, the user is allowed to log in.
• B.The user's public key is used instead of a password to allow server access.
• C.The user's public key is used to encrypt the communication between the client and the server.
• D.The user's public key is used to hash the password during SSH authentication.

Which of the following commands should a Linux administrator use to determine the version of a kernel module?

• A.depmod bluetooth
• B.modprobe bluetooth
• C.modinfo bluetooth
• D.lsmod bluetooth

A systems administrator receives reports about connection issues to a secure web server. Given the following firewall and web server outputs:

Which of the following commands best resolves this issue?

• A.ufw allow 4096/tcp
• B.ufw delete deny https/tcp
• C.ufw allow 80/tcp
• D.ufw disable

A Linux administrator needs to change the execution frequency of a systemd timer. Which of the following commands should the administrator use after editing the timer file to make the changes effective?

• A.timedatectl --adjust-system-clock
• B.systemctl daemon-reload
• C.sysctl --load
• D.systemd-ana1yze time