XK0-004 Practice Questions

A Linux administrator wants to load the KVM module into the kernel. Which of the following commands should the administrator use?

Which of the following techniques would BEST ensure the setup and desired state of a server are consistently maintained?

A Linux administrator needs to ensure a service no longer starts when a system running SysVinit is booted. Which of the following commands should the administrator use?

A security tool relies on a specific version of libssl. Which of the following would an administrator implement to prevent libssM 0 0 from being upgraded?

A systems administrator is reviewing the following partial output: Which of the following should the administrator use to find contact information for the connections?

An administrator is writing a Bash script to audit SSH logins. Which of the following logs would the administrator parse to find the needed information?

A Linux administrator needs to implement a secunty policy that prevents all connections from the marketing department that has the IP subnet 10.10.10.0/24 from reaching the current...

A Bash script is saving the following list of users from the home directory to a variable: User=''home/matt home/tom home/john home/mike''. Which of the following commands creates...

A Systems administrator needs to examine the output of all kernel-related events since the system was booted. Which of the following would BEST display this information?

Which of the following BEST describes the function of a DHCP server?

Which of the following should the systems administrator use to ensure the test account is disabled after 24 hours if the account's password has expired?

A systems administrator is creating a new volume opt _ app in a volume group app_vg. The new volume should utilize all the available disk space from the newly added disk device /de...

A developer has contacted a systems administrator because an application is not receiving a response from the client. The application must purge the message queue before terminatin...

Which of the following are Linux desktop environments? (Choose two.)

A technician's laptop is configured with wired and wireless interfaces. Both interfaces have obtained the appropriate IP address from the organization's DHCP server. Which of the f...

A Linux administrator's account has the following privileges: The administrator tried to install the vim package and received the following output: Which of the following is the BE...

A senior administrator keeps an important server turned off most of the time for security reasons. The server is booted for one specific function, then turned off again. Which of t...

Joe, a Linux administrator implemented an IP blocking solution to secure a server, but he is now unable to connect to the server from the office. Which of the following should Joe...

A systems administrator discovers httpd is running and preventing another application service from listening on the default web port. The administrator stops and disables the httpd...

A server administrator is attempting to reserve the IP address of 10.0.0.51 for a Linux workstation named PC-10021 using a Windows DHCP service. However, after several reboots, the...

A Linux administrator needs to copy the log files and all the subdirectories in /var/log/archive to the /log/backups/ directory on a remote server at backup.example.com. The admini...

When a developer commits to a product's master branch, it has a tool that checks code syntax compiles the software, performs unit tests, and outputs an RPM file as an artifact. Whi...

A network administrator requested a change in workstation routing to a new access point. Which of the following will display the current settings for wlan0 and set the new access p...

Which of the following should a systems administrator use to run the uptime command every ten seconds?

A user needs to access the GUI of an application on a remote console using encrypted x- forwarding. Which of the following BEST accomplishes this?

A technician wants to archive and compress all files and folders contained within the /home/user directory. Which of the following commands should the technician execute?

A system shows high utilization of swap space but low utilization of physical memory. Which of the following commands should an administrator run to free up usable swap space?

A company's httpd server has stopped working and restarting the service does not fix the issue. A junior systems administrator is investigating log files for clues. Which of the fo...

A systems administrator is investigating degraded server performance. The administrator executes diagnostic commands that result in the following output: Which of the following is...

A technician wants to implement a firewall ACL to block external access to the company's SSH server. Which of the following should the technician implement to configure the firewal...

A junior Linux administrator receives a request to add a user, Ann, to the secondary group `cashiers`. Ann is also a member of the secondary group, `managers`. The administrator is...

A Linux administrator needs to update a script that is stored in the team's Git repository. After the administrator clones the repository, which of the following is the BEST method...

A systems administrator wants to change the system locale to test a custom script. Which of the following commands should the administrator execute?

A Linux administrator is migrating a physical server to a virtual instance. Which of the following commands would allow the administrator to create a new initial RAM disk to use in...

A technician wants to update the contents of the /etc/hosts.allow file. The technician reviews the following output: According to best practice, which of the following commands sho...

After restoring a user's files from backup, a technician begins troubleshooting the following error message: Which of the following is MOST likely fix this issue?

An administrator finds a text file that is using too much disk space. The administrator runs lsof | grep bigfile.txt and gets the following return: Which of the following should th...

A customer needs to spin-up 20 new VMs on a web cluster. Which of the following would help the customer use small amounts of storage per VM on a private cloud when creating each ne...

A user creates a key pair to configure RSA authentication on a Linux server. Which of the following should the user do NEXT?

Which of the following allows communication over port 3389 to access GUI services?

A junior administrator needs to display information for an RPM package that contains software from an external provider. Which of the following commands will display the package in...

A storage administrator added a new primary partition to a drive and wants to create a filesystem without rebooting. Which of the following commands will allow this to happen?

A Linux administrator is installing an NGINX-based proxy service on the same server that hosts the Apache-based HTTP services When the administrator launches the proxy service, the...

A systems engineer was configuring a small, single-board device running Linux when the device lost power during an outage. The device was running an SSH server and was set up to ob...

A Linux administrator is troubleshooting an issue with a shell script. Users in the accounting department are unable to run the script, but users in the sales department are not ha...

An administrator needs to ensure the JAVA_HOME variable is set correctly for all users that log in to the server. Which of the following files should be edited to set this variable...

A user sent the following log to the help desk: Which of the following should the help desk technician do to resolve this issue?

Which of the following commands would a junior systems administrator run to monitor network traffic actively?

A Linux administrator needs to generate SSH keys for remote users. The company security policy requires at least 4096-bit encryption on all public/private key pairs. Which of the f...

After connecting a USB drive, the system is unable to detect it. There is no entry in /dev, and there is no information in the message log. Which of the following is the issue?