Online Access Free XK0-005 Exam Questions

A Linux administrator has configured a Linux system to be used as a router. The administrator confirms that two network adapters are properly installed and functioning correctly. In addition, the output of the iptables -Lcommand appears to contain a complete firewall configuration.
Which of the following commands does the administrator need to issue for the router to be fully functional?

• A.echo "1" > /proc/sys/net/ipv4/ip_default_ttl
• B.echo "1" > /proc/sys/net/ipv4/ip_forward
• C.echo "0" > /proc/sys/net/ipv4/tcp_abort_on_overflow
• D.echo "0" > /proc/sys/net/ipv4/max_connections

A Linux systems administrator is updating code. After completing the update, the administrator wants to publish the updated code without including the configuration files. Which of the following should the administrator use to accomplish this task?

• A.git fetch
• B.git -
• C.git clone
• D..gitignore

A web application that uses a database for managing logins needs to be set up so that the database is running before the web server starts. A Linux administrator, who is troubleshooting the issue, reviews systemd unit files:

Which of the following should the Linux administrator do to ensure the database starts first?

• A.Add mariadb. service to the HTTPD service configuration.
• B.Add Before=httpd. service to die MariaDB configuration.
• C.Enable the HTTPD service using the httpd command.
• D.Add mariadb. service to the Wants for the HTTPD service configuration

A systems administrator is gathering information about a file type and the contents of a file. Which of the following commands should the administrator use to accomplish this task?

• A.grep filename
• B.file filename
• C.touch filename
• D.lsof filename

What of the following statements are true regarding /dev/ when using udev? (Choose TWO correct answers.)

• A.Additional rules for udev can be created by adding them to /etc/udev/rules.d/.
• B.The /dev/ directory is a filesystem of type tmpfs and is mounted by udev during system startup.
• C.The content of /dev/ is stored in /etc/udev/dev and is restored during system startup.
• D.When using udev, it is not possible to create block or character devices in /dev/ using mknod.
• E.Entries for all possible devices get created on boot even if those devices are not connected.