John works as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. John is working as a root user on the Linux operating system. You want to run two
programs, foo and bar. You also want to ensure that bar is executed if and only if foo has
executed successfully. Which of the following command sequences will John use to accomplish
the task?

You work as the Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. You are a root user on the Red Hat operating system. You want to view all files with a
size of over 50 megabytes on your system. Which of the following commands should you use to
accomplish the task?

You are working with the vi editor and writing a textfile. Which of the following commands will you
use if you want to move the cursor 3 characters to the right?

Which of the following information does the /etc/passwd file contain? Each correct answer
represents a complete solution. Choose all that apply.

You have made a program secure.c to display which ports are open and what types of services
are running on these ports. You want to write the program’s output to standard output and
simultaneously copy it into a specified file. Which of the following commands will you use to
accomplish the task?

You work as the Network Administrator for McNeil Inc. The company has a Linux-based network.
You are a root user on the Red Hat operating system. You want view all files on the system that
have the .xml filename extension. Which of the following commands should you use to accomplish
the task?

You work as a Network Administrator for Maverick Inc. The company has a Linux-based network.
You are working on a Linux computer. You want to see the environment variables that are set on
your computer. Which of the following commands will you use?

You work as a Network Administrator for Net World International. You have installed a Linux
server on the company’s network. Users report that they are unable to write on a file system. You
verify that there is no free space available on the hard disk drive. You mount another hard disk
drive to resolve the issue. How will you prevent the issue from happening again?

You work as the Network Technician for Tech Perfect Inc. The company has a Linux-based
network.
You are currently working on vim. You opened a file in four windows in a single vim screen. You
want to jump from one window to another. Which of the following key-combinations should you
use to accomplish the task?

Mark works as a Network Administrator for company.com Inc. The company has a Linux-based
network. A printer is configured on the network. Mark wants to see the content of a print queue.
Which of the following commands will he use to accomplish the task?