15 January, 2020

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Total 260 questions Full Exam Access

Question 1

Which of the following statements is valid in the file /etc/nsswitch.conf?

multi on

192.168.168.4 dns-server

hosts: files dns

include /etc/nsswitch.d/

Question 2

When the command echo $$ outputs 12942, what is the meaning of 12942?

It is the process ID of the echo command.

It is the process ID of the current shell.

It is the process ID of the last command executed.

It is the process ID of the last command which has been placed in the background.

Question 3

Which of the following commands can be used to limit the amount of memory a user may use?

umask

usermod

ulimit

passwd

chage

Question 4

In the vi editor, how can commands such as moving the cursor or copying lines into the buffer be issued multiple times or applied to multiple rows?

By using the command :repeat followed by the number and the command.

By specifying the number right in front of a command such as 4l or 2yj.

By selecting all affected lines using the shift and cursor keys before applying the command.

By issuing acommand such as :set repetition=4 which repeats every subsequent command 4 times.

Question 5

What is the purpose of the command mailq?

It fetches new emails from a remote server using POP3 or IMAP.

It is a multi-user mailing list manager.

It is a proprietary tool contained only in the qmail MTA.

It queries the mail queue of the local MTA.

It is a command-line based tool for reading and writing emails.

Question 6

Which of the following is a legacy program provided by CUPS for sending files to the printer queues on the command line?

lpd

lpp

lpq

lpr

Question 7

CORRECT TEXT
Which port is the default server port for the HTTPS protocol? (Specify the port number using digits.)

Question 8

Which of the following fields can be found in the /etc/group file? (Choose THREE correct answers.)

The list of users that belong to the group.

The home directory of the group.

The name of the group.

The description of the group.

The password of the group.

Question 9

When given the following command line. echo "foo bar" | tee bar | cat
Which of the following output is created?

cat

foo bar

tee bar

bar

foo

Question 10

Which of the following commands can be used to display the local routing table? (Choose TWO correct answers.)

ifconfig

dig

netstat

route

trackroute

Question 11

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

It allows disks to be mounted remotely.

It runs a command as a process in a subshell.

It makes the command history available to subshells.

It sets up environment variables for applications.

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

Question 12

Which configuration file would be edited to change the default options for outbound SSH sessions?

/etc/ssh/sshd_config

/etc/ssh/ssh

/etc/ssh/client

/etc/ssh/ssh_config

/etc/ssh/ssh_client

Question 13

Which of the following keywords can be used in the file /etc/nsswitch.conf to specify a source for host name lookups? (Choose TWO correct answers.)

resolv

dns

remote

files

hosts

Question 14

The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated with that section?

It is placed in curly brackets as in Section SectionName { ... }.

It is placed between a line containing Section "SectionName" and a line containing EndSection.

It is placed between the tags <Section name="SectionName"> and </Section>

It is placed after the row [SectionName].

It is placed after an initial unindented Section "SectionName" and must be indented by exactly one tab character.

Question 15

Which of 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.)

shutdown -R 1 now

shutdown -single now

init 1

telinit 1

runlevel 1

Question 16

CORRECT TEXT
Which command displays a list of allbackground tasks running in the current shell? (Specify ONLY the command without any path or parameters.)

Question 17

CORRECT TEXT
Which environment variable should be set in order to change the time zone for the commands run from within the environment variable's scope? (Specify the variable name only.)

Question 18

CORRECT TEXT
Which command is used to add an empty group to the system? (Specify ONLY the command without any path or parameters.)

Question 19

Instead of supplying an explicit device in /etc/fstab for mounting, what other options may be used to identify the intended partition? (Choose TWO correct answers.)

FIND

LABEL

NAME

UUID

Question 20

Which command chain will count the number of regular files with the name of foo.txt within
/home?

ls -lR /home | grep foo.txt | wc -l

find /home -type f -name foo.txt | wc -l

find /home -name foo.txt -count

find /home -name foo.txt | wc -l

grep -R foo.txt /home | wc -l

Question 21

How can the current directory and its subdirectories be searched for the file named MyFile.xml?

find . -name MyFile.xml

grep MyFile.xml | find

grep -r MyFile.xml .

less MyFile.xml

search Myfile.xml ./

Question 22

After successfully creating a hard link called bar to the ordinary file foo, foo is deleted from the filesystem. Which of the following describes the resulting situation?

foo and bar would both be removed.

foo would be removed while bar would remain accessible.

foo would be remove

bar would still exist but would be unusable.

Both foo and bar would remain accessible.

The user is prompted whether bar should be removed, too.

Question 23

Which of the following commands is used to rotate, compress, and mail system logs?

rotatelog

striplog

syslogd --rotate

logrotate

logger

Question 24

Which of the following commands can be used to determine how long the system has been running? (Choose TWO correct answers.)

uptime

top

uname -u

time –up

Question 25

Which approach will provide a listing of the contents in a tar archive?

Use the tar command with -t.

Use the grep command.

Use the find command.

Use the zless command.

Use the zlist command.

Question 26

Which of the following command sequences overwrites the file foobar.txt?

echo "QUIDQUIDAGIS" >> foobar.txt

echo "QUIDQUIDAGIS" < foobar.txt

echo "QUIDQUIDAGIS" > foobar.txt

echo "QUIDQUIDAGIS" | foobar.txt

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Total 260 questions Full Exam Access