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What is the name of the simple graphical login manager that comes with a vanilla X11 installation? (Specify ONLY the command without any path or parameters.)

What is the purpose of the Bash built-in export command?

A.

It allows disks to be mounted remotely.

B.

It runs a command as a process in a subshell.

C.

It makes the command history available to subshells.

D.

It sets up environment variables for applications.

E.

It shares NFS partitions for use by other systems on the network.

What is true regarding the file ~/.forward?

A.

As it is owned by the MTA and not writable by the user, it must be edited using the editaliases command.

B.

After editing ~/.forward the user must run newaliases to make the mail server aware of the changes.

C.

Using ~/.forward, root may configure any email address whereas all other users may configure only their own addresses.

D.

When configured correctly, ~/.forward can be used to forward each incoming mail to more than one other recipient.

Whichof the following commands brings a system running SysV init into a state in which it is safe to perform maintenance tasks? (Choose TWO correct answers.)

A.

shutdown -R 1 now

B.

shutdown -single now

C.

init 1

D.

telinit 1

E.

runlevel 1

After issuing:

function myfunction { echo $1 $2 ; }

in Bash, which output does:

myfunction A B C

Produce?

A.

A B

B.

A B C

C.

A C

D.

B C

E.

C B A

Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?

A.

SELECT order_type,COUNT(*) FROM orders WHERE order_type=order_type;

B.

SELECT order_type,COUNT(*) FROM orders GROUP BY order_type;

C.

COUNT(SELECT order_type FROM orders);

D.

SELECT COUNT(*) FROM orders ORDER BY order_type;

E.

SELECT AUTO_COUNT FROM orders COUNT order_type;

Which of the following sequences in the vi editor saves the opened document and exits the editor?(Choose TWO correct answers.)

A.

esc ZZ

B.

ctrl :w!

C.

esc zz

D.

esc :wq!

E.

ctrl XX

Which command can be used to delete a group from a Linux system?

A.

groupdel

B.

groupmod

C.

groups

D.

groupedit

With IPv6, how many bits have been used for the interface identifier of an unicast address? (Specify the number using digits only.)

Which option to the yum command will update the entiresystem? (Specify ONLY the option name without any additional parameters.)