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

• A./etc/login.defs
• B./etc/passwd
• C./etc/skel
• D./etc/inittab

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A systems administrator manually added a new library to the server. The administrator wants to rebuild the library cache for immediate use.
Which of the following commands should the systems administrator run to achieve this goal?

• A.make install
• B.ldconfig
• C.make
• D.ldd

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A systems administrator suspects a process with a PID of 2864 is consuming resources at an alarming rate.
The administrator uses the command renice -n -5 -p2864, but it does not solve the issue. Which of the following commands should the administrator execute to correct the issue?

• A.nice -n 5 -p 2864
• B.nice -n -5 -p 2864
• C.renice -n 10 -p 2864
• D.renice -n -10 -p 2864

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After installing a new web server, you are unable to browse to the default web page.
INSTRUCTIONS
Review all the command output and select the command needed to remediate the issue.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

Correct Answer:

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A user requested a USB serial device to be added to a desktop computer. The device has built-in kernel driver support. The administrator tested the device installation and access, but the user cannot access the serial port.
Each time the user attempts to access the device, an error log is created that shows the user does not have permission to use the serial port. Which of the following will add a user to the group that has serial port capabilities?

• A.usermod -a -G serialport $USER
• B.usermod -a -G modem $USER
• C.usermod -a -G dialout $USER
• D.usermod -a -G root $USER

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