Which of the following commands helps an administrator to switch a Linux server to
different run levels without rebooting the server?

A.

su

B.

cngrl

C.

mount

D.

init

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. He
wants to run the cc process at runlevel three. If the order of execution of cc command is 43,
which of the following commands will John use to accomplish his task?

A.

ln -s /etc/rc.d/init.d/cc /etc/rc.d/rc3.d/K43cc

B.

ln -s /etc/rc.d/init.d/cc /etc/rc.d/rc3.d/S43cc

C.

ln -s /etc/rc.d/cc /etc/rc.d/rc3.d/s43cc

D.

ln -s /etc/init.d/cc /etc/rc.d/rc3.d/K43cc

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

A.

/etc/init

B.

/etc/profile

C.

 /etc/mtab

D.

/etc/inittab

You want to start the display manager automatically at boot time. Which of the following
files will you edit to accomplish the task?

A.

inittab

B.

XDM-config

C.

Xsession

D.

Xaccess

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. He
wants to get the status of the modules currently loaded in the kernel. Which of the following
commands will John use to accomplish his task?
Each correct answer represents a complete solution. Choose all that apply.

A.

locate

B.

lsmod

C.

cat /proc/modules

D.

ls /proc

When installing RHEL in the graphical interface, which of the following switches can be
used to specify a resolution?

A.

lowers

B.

vnc

C.

resolution

D.

skipddc

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

A.

2

B.

0

C.

5

D.

3

E.

1

You want only the root access in a Linux computer for maintenance purposes. Which of the
following runlevels will you use to boot the computer?

A.

2

B.

0

C.

1

D.

3

You work as a Network Administrator for McNeil Inc. The company has a Linux-based
network. You have just created a directory named Sales on a file server. David, a Sales
Manager, has to use this directory to keep sales reports. David reports that he is unable to
save his reports in the directory. When you list the directory using the LS command, you
get the following result: drwxr-xr-x 2 root root 2048 Jan 2 2006 Sales What is the most
likely cause?

A.

The Sales directory is not properly mounted.

B.

David is working on his local computer's login.

C.

The Sales directory has been deleted by accident.

D.

David does not have the Write permission on the directory.

Which of the following utilities is used to set ACL for files and directories?

A.

enable acl

B.

setacl

C.

setfacl

D.

getfacl