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Which of the following lines are valid in the file /etc/hosts? (Choose TWO correct answers.)

A.

2001:db8::15 www.example.com www

B.

www.example.com www 203.0.13.15

C.

203.0.113.15 www.example.com www

D.

www.example.com,www 203.0.13.15,2001:db8::15

E.

2003.0.113.15,2001:db8::15 www.example.com www

From a Bash shell, which of the following commands directly executes the instruction from the file /usr/local/bin/runme.sh without starting a subshell? (Please select TWO answers.)

A.

source /usr/local/bin/runme.sh

B.

. /usr/local/bin/runme.sh

C.

/bin/bash /usr/local/bin/runme.sh

D.

/usr/local/bin/runme.sh

E.

run /usr/local/bin/runme.sh

Which of the following is correct when talking about mountpoints?

A.

Every existing directory can be used as a mount point.

B.

Only empty directories can be used as a mount point.

C.

Directories need to have the SetUID flag set to be used as a mount point.

D.

Files within a directory are deleted when the directory is used as a mount point.

How is a display manager started?

A.

It is started by a user using the command startx.

B.

It is started like any other system service by the init system.

C.

It is started by inetd when a remote hosts connects to the X11 port.

D.

It is started automatically when a X11 user logs in to the system console.

Which commands can be used to change a user's account aging information? (Choose THREE correct answers.)

A.

usermod

B.

passwd

C.

chattr

D.

chage

E.

chsh

When starting a program with the nice command without any additional parameters, which nice level is set for the resulting process?

A.

-10

B.

0

C.

10

D.

20

Which of the following words is used to restrict the records that are returned from a SELECT SQL query based on a supplied criteria for the values in the records?

A.

CASE

B.

FROM

C.

WHERE

D.

IF

Which of the following commands puts the output of the command date into the shell variable mydate?

A.

mydate="$(date)"

B.

mydate="exec date"

C.

mydate="$((date))"

D.

mydate="date"

E.

mydate="${date}"

Which of the following commands will write a message to the terminals of all logged in users?

A.

bcast

B.

mesg

C.

print

D.

wall

E.

yell

Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?

A.

sed '/bob/Bob' letter >newletter

B.

sed s/bob/Bob/ letter < newletter

C.

sed 's/bob/Bob' letter > newletter

D.

sed 's/bob/Bob/g' letter > newletter

E.

sed 's/bob, Bob/' letter > newletter