A user cannot write files to the /home/user directory. The junior Linux administrator runs the following commands:

Which of the following BEST represents why the user cannot write files?

• A.The filesystem is not configured for the user to write to it.
• B.The filesystem is out of file space.
• C.The filesystem does not have a group write permission.
• D.The filesystem is out of inodes.

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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.usermod
• C.id
• D.who

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A user wants to alias dir so it always returns the contents of the ls -la command. However, the user has to reset the alias with every login.
Which of the following is the BEST action the user can take to ensure the command is always available?

• A.echo "alias dir=ls -la" >> /etc/skel
• B.echo "alias dir=ls -la" > ~/.bashrc
• C.echo "alias dir=ls -la" >> ~/.profile
• D.echo "alias dir=ls -la" > /etc/profile

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

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A systems administrator configured a new kernel module, but it stopped working after reboot. Which of the following will allow the systems administrator to check for module problems during server startup?

• A.lsmod
• B.modprobe
• C.modinfo
• D.dmesg

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