John works as a Network Administrator for We-are-Secure Inc. The company uses a Linux server.
John wants to give the following file permissions to the imp.c file:
l Read, Write, and Execute permissions to the owner
l Read and Write permissions to groups
l Read Only permissions to other users
Which of the following commands will John use to accomplish the task?

Which of the following commands can be used to overwrite an existing kernel image file?

You work as a Network Administrator for Perfect Solutions Inc. The company has a Linux-based
network. You are configuring a UPS for a Linux server. You want to configure the computer as
follows:
. The server should automatically shut down after ten minutes of power failure.
. The server should inform the administrator that the shut down process has started.
Which of the following files will help you to configure these settings?

Which of the following commands displays information for all filesystems that have quota enabled?

You work as a Network Administrator for Tech Perfect Inc. The company has a Linux-based
network. You are required to boot a server in single-user mode. Which of the following runlevels
will you choose to accomplish the task?

You work as a Network Administrator for Tech World Inc. The company has a Linux-based
network. The permissions on a file named Report are shown below:
rwxr–rYou want to add a sticky bit to the file. Which of the following commands will you use?

Alicia works as a System Administrator for SoftTech Inc. The company uses the Linux operating
system. She wants to install Apache on the company’s server. Which of the following commands
will she use to check whether or not Apache is already installed on the server?

Which of the following files must be edited to alter the run level?

Which of the following commands can be used to view the information about the transmitted or
received packets from a network interface?

Which of the following commands can be used to upgrade a package only if an earlier version of
that package is already installed? Each correct answer represents a complete solution. Choose all
that apply.