XK0-004 Exam Questions

A systems administrator has retrieved the latest copy of the system backup files, which had been stored offsite at a third-party vendor. The systems administrator wants to validate...

A user wants to configure the application "myapp" to start on runlevels 2, 3, 4, and 5 every time the system starts. Which of the following commands will accomplish this task?

An administrator is trying to optimize a connection to an off-site NFS server. Which of the following commands would BEST display the problems with packet sizes between hops on the...

A systems administrator needs to install software packages on a server from an Internet-based repository. The server does not have Internet connectivity. Which of the following can...

A security team informs the Linux administrator that a specific server is acting as an open relay. To which of the following is the security team referring?

A systems administrator is investigating low performance a server. After executing some diagnostic commands, the administrator analyzes the data: Which of the following is the caus...

A Linux administrator needs to know the MAC address of the server's gateway. Which of the following commands should the administrator run to obtain this information?

Which of the following will boot from a network-hosted ISO image at power on?

A systems administrator is editing a service file for the web server. In order to continue testing, all web server processes must be shut down. The administrator accomplishes this...

An administrator received a request from a security officer to eliminate a blacklisting set called internal-blocked the company is using in the iptables firewall. Which of the foll...

An administrator wants to use a Linux server's GUI remotely but is limited by security to using TCP port 22. Which of the following is the BEST choice for installation on the Linux...

A technician recently installed Linux on a desktop computer. The desktop has two graphics cards from two different vendors. One of the graphics cards works, but the other does not....

A Linux administrator wants to include a standard, hash_profile file whenever a new local user is created on Linux server. Which of the following is the BEST location to place the...

Which of the following files would a junior systems administrator check to verify DNS server settings?

Which of the following directories will help an administrator identify the specifications of a Linux server in term of resources?

The following error is encountered when running a script: Which of the following is the cause of this error?

Which of the following directories contains information related to various runtime processes, such as hardware and system memory?

A system administrator is setting up a cron job that will copy thousands files from a remote directory on a scheduled basic. The file contents should retain their original permissi...

A Linux administrator has configured a local named caching server to reduce the amount of time to resolve common DNS addresses. The server resolves using the external server, howev...

An administrator is adding an existing user named `'buddy'' to the Apache group. Which of the following should the administrator perform to accomplish this task?

An administrator clones a Git repository onto a local laptop. While inspecting the code, the administrator notices a bug and wants to fix it. Which of the following is the BEST com...

A Linux administrator is investigating an issue with an internal Linux server that is unable to resolve the following internal addresses: The administrator runs the following comma...

A system administrator needs to bootstrap a series of Ubuntu images for a public provider. The administrator must ensure at the images contain the exact same updates, custom. Confi...

Which of the following commands will result in the HOGEST compression level when using gzig to compress a file name file, txt?

Which of the following is considered best practices when using definition files for the provisioning of Linus servers to the cloud?

A Linux administrator is testing a configuration script and wants to change the hostname of a workstation temporarily, but it must return to its assigned workstation name after reb...

A network administrator installed a web server on a Linux host and added a firewalld command to open port 80/tcp. The web server worked without error until an updated and patched k...

Ann, a Linux administrator, is storing scripts in a private Git repository. Which of the following commands should Ann use to avoid entering the login and password every time Ann c...

An administrator is configuring a new Linux server and wants to boot the system to a file that was previously downloaded to locally install removable media. Which of the following...

A lab virtual image is always named pc21.local and in variety of testing situation. The administrator wants to use the IP address pc21.local in a script but is concerned it may cha...

A Linux server hosts Kerberos and LDAP, which of the following is the MOST likely role of this server?

A technician reviews the following output: Which of the following commands should the technical execute to ensure the system has the appropriate paging? (Select TWO.)

Users are receiving permission-denied messages when trying to access a spreadsheet file within the company's file system. A Linux administrator receives a ticket and begin to inves...

A Linux administrator needs to run a few virtual machines and containers on the physical machines with a single network interface. Which of the following networking would allow the...

An administrator is logged on as an unprivileged user and needs to compile and installed an application from source. Which of the following BEST represents how to complete this tas...

A system administrator is investigating why user3 cannot log in using SSH to one of the servers. An attempt to log in results in the following: Which of the following commands shou...

An administrator wants to be able to access a remote server. After creating an SSH key pair, which of the following describes where the public key should be placed to allow for key...

Joe, a system administrator, realizes that the time zone on a system is different than his local time zone. Joe runs the command export Tz-America .Chicago to resolve this. However...

A Linux administrator issues the following command with root or sudo privileges: Rmp -1 installpackage.rpm -nodeps Which of the following should the administrator expect to see in...

A Linux administrator execute the following steps in this order: 1. Changes some software code 2. Commits the changes to the Git repository 3. Triggers a job to compile 4. Execute...

A system administrator is troubleshooting a web server that runs in a container. After the log is retained, the container occasionally stops logging to a log file. Fortunately, the...

A junior administrator issues the following commands on a Linux server: The next day, the junior administrator is unable to edit the file. Which of the following would resolve this...

An administrator wants to add a user named comptia to the system administrators group. Which of the following commands will accomplish this task?

Which of the following commands should a system administrator use to configure a passwordless login to remote system? (Select TWO.)

A new packages repository named repo10 has been installed on mirror site. A Linux administrator wants to use this new repository for local package installations. In which of the fo...

Which of the following can cause a kernel panic message after a system reboot?

A security team informs the Linux administrator that a specific sever is acting as a n pen relay. To which of the following is the security team referring?

Which of the following server roles would MOST likely be found in a PXE boot environment?

Which of the following should a company use to reduce the latency of application that are deployed on a virtual private cloud?

A Linux administrator needs to run a command in the background of a terminal, Which of the following commands will BEST accomplish this task?