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 gets no value. Which of the following commands should the administrator use to retrieve its…
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 payroll server at 192.168.204.11 by the name "Payroll". Which of the…
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. cat /sys/proc/meminfo B. cat /proc/meminfo C. cat /proc/sys/meminfo D. cat /sys/meminfo
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 violation and AVC denial messages? A. journalctl | grep sealert B. sealert -a…
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? A. /etc/sysconfig/network B. /etc/hosts C. /etc/resolv.conf D. /etc/sysconfig/nsswitch.conf
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 system distribution packages. Which of the following commands contains the proper order…
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? A. xrdp -h server.company.com B. ssh -X server.company.com C. xvnc server.company.com D.…
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 version. Display which modules loaded at startup. Which of the following commands would be used…
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 the administrator perform FIRST? A. Clone the remote repository using ‘git clone’ B. Create a…
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 should the administrator perform to accomplish this task? (Choose two.) A. Use visudo to…