A Linux administrator must identify a user with high disk usage. The administrator runs the # du -s /home/* command and gets the following output:

Based on the output, User3 has the largest amount of disk space used. To clean up the file space, the administrator needs to find out more information about the specific files that are using the most disk space.
Which of the following commands will accomplish this task?

• A.df -k /home/User3/files.txt
• B.du -a /home/User3/*
• C.du -sh /home/User/
• D.find . -name /home/User3 -print

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

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A Linux administrator is running a script that runs a Java application but receives the following error:
Error: Java_Home is not set
Java is installed on the Linux server and java -version returns a value. Which of the following should the administrator add to the script to resolve this issue?

• A.Export Java_Home which java
• B.Export PATH-$PATH: $JAVA_HOME
• C.Set JAVA_HOME -which java
• D.Echo 'which java > $JAVA_HOME

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A systems administrator is attempting to access a server by SSH. The Linux administrator ensures that the SSH keys on the remote server were unable to connect. The following error message is being displayed:

Which of the following needs to be changed on order for the administrator to access the server via SSH?

• A.SSL
• B.OpenSSH
• C.Password
• D.SELinux

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A Linux administrator added storage to an XFS-formatted filesystem at /dev/mapper/vgslash-lvLog device using the LVM tools. However, the additional space does not show up when the administrator runs the df - h command. Which of the following commands should the administrator run to resolve this issue?

• A.Option A
• B.Option D
• C.Option C
• D.Option B

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