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 should the administrator issue to ensure the web server starts at boot time?

• A.systemctl service on
• B.systemctl enable <name>.service
• C.systemctl service enable
• D.systemctl on <name>.service

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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.It provides a menu for creating administrator task shortcuts.
• B.It provides a menu for running special shell scripts.
• C.It provides a method to partition a hard drive.
• D.It provides a method to pass parameters to the Linux kernel on startup.

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A Linux user wants to give read-only permissions to a directory and its contents. Which of the following commands will allow the user to accomplish this task?

• A.chmod 400 /new_directory/
• B.chmod 600 /new_directory/
• C.chmod -R 600 /new_directory/
• D.chmod -R 400 /new_directory/

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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 should the administrator run to determine this?

• A.last
• B.who
• C.id
• D.usermod

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A junior Linux administrator is installing a new application with CPU architecture requirements that have the following specifications:
x64 bit 3.0GHz speed
Minimum quad core
The administrator wants to leverage existing equipment but is unsure whether the requirements of these systems are adequate. The administrator issues the following command cat/proc/cpuinfo. The output of the command is as follows:

Which of the following is the recommended course of action the administrator should take based on this output?

• A.Procure new equipment that matches the recommended specifications
• B.Install the application, as the system meets the application requirements
• C.Recompile the Linux kernel to support the installation.
• D.Reconfigure lib modules to support the new application.

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