XK0-004 Practice Questions

Which of the following is true about Type 2 hypervisors?

A security administrator wants to display a warning banner before a user logs in. Which of the following files must be edited to make this happen?

Using which of the following control mode commands is the correct way to substitute all occurrences of /dev/sdc with /dev/sdd while editing a file in vi?

A user needs to modify the IP address of a laptop. Which of the following files can be used to configure the network interface named eth0?

A user wants to use terminal services from a Windows workstation to manage a Linux server. Which of the following should be installed on the Linux server to enable this functionali...

On a UEFI-based system, which of the following invokes GRUB2 from the EFI command prompt?

A systems administrator notices a large number of autoloaded device modules are no longer needed and decides to do a cleanup of them. Which of the following commands will accomplis...

A Linux administrator looks at the /etc/timezone file and determines the need to change the time zone from California to New York temporarily. Which of the following commands will...

A user has been locked out of an account due to too many failed password attempts. Which of the following commands will unlock the user's account?

A systems administrator receives a report that the web server is not running after a planned system reboot. After starting the web server manually, which of the following commands...

An administrator is reviewing updates in the master online Git repository and notices a file named . The file contains passwords and should only be in the administrator's local rep...

A technician wants to secure a sensitive workstation by ensuring network traffic is kept within the local subnet. To accomplish this task, the technician executes the following com...

An administrator needs to create a file named hello in the home directory that contains the following text: it's me! Which of the following commands would accomplish this goal?

Which of the following commands will let a Linux user know the PCI devices that are installed in the system?

A Linux administrator is updating iptables rules and is given the following tasks: - Output a list of iptables rules. - Remove all iptables rules. Which of the following actions sh...

A junior Linux administrator is performing version control on a Git repository. The administrator is given a list of tasks to complete: - List the currently installed Git release....

A systems administrator needs to allow the Linux server to receive HTTP connections from Internet hosts. By default, the port for HTTP connections is blocked. Which of the followin...

A Linux administrator attempts to install the package newprogram.x86_64.rpm using a package manager. The administrator receives a warning indicating the command that was run was us...

Which of the following would allow remote users to access a corporate server? (Choose two.)

A junior administrator is configuring local name lookups for fully qualified domain names in an isolated environment. The administrator is given a checklist and must accomplish the...

An administrator is reviewing suspicious activity on a server and needs to determine which users logged into the system within the past 24 hours. Which of the following commands sh...

During the final step of staging new Linux hardware, GRUB2 is installed to the system drive. Which of the following BEST describes the role of GRUB2 in a new Linux installation?

A site reliability engineer updated the latest configuration management scripts and committed them to a workstream called either test or patch. A Linux administrator wants to ensur...

A systems administrator wants to disable the Linux Kernel WatchDog Timer Driver for security purposes. Which of the following will accomplish this task?

In which of the following Linux GUI environments would the Konsole application MOST likely be found?

A new user has been added to a Linux machine. Which of the following directories would contain the user's default files?

An issue was discovered on a testing branch of a Git repository. A file was inadvertently modified and needs to be reverted to the master branch version. Which of the following is...

A junior systems administrator has generated a PKI certificate for SSH sessions. The administrator would like to configure authentication without passwords to remote systems. Which...

A junior systems administrator is scanning archive.tar files with an antivirus scanner. The administrator is given the following tasks: - List all files that are in the archive.tar...

A corporate server security policy states, "Ensure password hashes are not readable by non- administrative users." The administrator should check the permissions on which of the fo...

A Linux systems administrator is implementing Source Code Management for the web application server configuration files located in /etc/httpd/. Which of the following steps should...

A junior systems administrator is tasked with providing the network_administrators group the ability to perform sudo without prompting for a password. Which of the following steps...

A storage administrator in a virtualized environment has been told by a user that there is no space left on the volume to which the user can write. However, a check reveals that th...

A systems administrator has scheduled a system update for a server. The update includes a resynchronization of the package database and updates to the current packages and the syst...

An administrator receives the following message on a remote server: Cannot open display. Which of the following should the administrator have used to log in to the server? xrdp -h...

A junior administrator is installing kernel modules. The administrator is given a checklist that outlines the following tasks to be completed: - Display currently installed module...

An administrator wants to know the amount of memory installed on a Linux server. Which of the following commands can be used to accomplish this task?

A Linux administrator is helping the security team troubleshoot an SELinux policy violation incident. Which of the following would be the BEST utility command to display SELinux vi...

A systems administrator received a request to change the hostname to a new name. Which of the following file configurations should be changed to fix the hostname in the server?

An administrator notices the HISTSIZE variable is 50, using the commands below: HISTSIZE=50 export HISTSIZE The administrator rechecks the HISTSIZE value using echo HISTSIZE but ge...

Users in the payroll department are not configured to use DNS due to security concerns. The users ask the junior Linux administrator to configure their workstations to access the p...

A systems administrator downloads an application's source files, compiles the application, and installs it per the application's installation instructions. When trying to run the a...

A Linux administrator tries to ping a hostname in a network but receives the message: hostname not . The administrator is sure the name exists on the network and wants to verify if...

Users are unable to connect to a server using HTTPS. The administrator runs the following command on the remote system: Then, the administrator runs the following command from a lo...

A Linux administrator is restoring the SELinux contexts on an entire system. Which of the following commands is the BEST option to complete this task?

An administrator has a CSV file named hosts.csv. The contents of hosts.csv include the following: 192.168.2.57,lnx1prd.example.com,Linux,Production 192.168.2.58,lnx2prd.example.com...

An administrator is installing a Linux VM on a personal hypervisor. The administrator wants to have the VM's IP address on the same network as the hypervisor host so the VM has the...

A raw VM image is being compressed with bzip2 and copied to a flash drive at /dev/hdb for off- site use by the marketing department. Which of the following command lines accomplish...

A systems administrator wants to install a new application that requires the newmod kernel module. Which of the following commands should the systems administrator use?

A server, which is used to collect data about the network and datacenter environment via SNMP, is running out of space. Which of the following should the server administrator imple...