NEW QUESTION 1

Which of the following are commonly used Mail Transfer Agent (MTA) applications? (Choose THREE correct answers.)

• A. Postfix
• B. Procmail
• C. Sendmail
• D. Exim
• E. SMTPd

Answer: ACD

NEW QUESTION 2

Which of the following are requirements in order to run a shell script like a regular command from anywhere in the filesystem? (Choose THREE correct answers.)

• A. The user issuing the command must be in the group script.
• B. The script file must be found in the $PATH.
• C. The script file must have the executable permission bit set.
• D. The script must begin with a shebang-line (#!) that points to the correct interpreter.
• E. The file system on which the script resides must be mounted with the option scripts.

Answer: BCD

NEW QUESTION 3

Which of the following commands will help identify a broken router between the local and the remote machine?

• A. ps
• B. netstat
• C. nslookup
• D. ifconfig
• E. traceroute

Answer: E

NEW QUESTION 4

Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose TWO correct answers.)

• A. --from=
• B. --since=
• C. --until=
• D. --upto=
• E. --date=

Answer: BC

NEW QUESTION 5

Which of the following files assigns a user to its primary group?

• A. /etc/pgroup
• B. /etc/shadow
• C. /etc/group
• D. /etc/passwd
• E. /etc/gshadow

Answer: D

NEW QUESTION 6

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}"

Answer: A

NEW QUESTION 7

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

• A. groupdel
• B. groupmod
• C. groups
• D. groupedit

Answer: A

NEW QUESTION 8

What is the purpose of the command mailq?

• A. It fetches new emails from a remote server using POP3 or IMAP.
• B. It is a multi-user mailing list manager.
• C. It is a proprietary tool contained only in the qmail MTA.
• D. It queries the mail queue of the local MTA.
• E. It is a command-line based tool for reading and writing emails.

Answer: D

NEW QUESTION 9

An administrator wants to determine the geometry of a particular window in X, so she issues the_____ -metric command and then clicks on the window.

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
/usr/bin/xwininfo, xwininfo

NEW QUESTION 10

What is the purpose of the iconv command?

• A. It converts bitmap images from one format to another such as PNG to JPEG.
• B. It verifies that the root directory tree complies to all conventions from the Filesystem Hierarchy Standard (FHS).
• C. It displays additional meta information from icon files ending in .ico.
• D. It changes the mode of an inode in the ext4 file system.
• E. It converts files from one character encoding to another.

Answer: E

NEW QUESTION 11

Why is the xhost program considered dangerous to use?

• A. It makes it difficult to uniquely identify a computer on the network.
• B. It allows easy access to your X server by other users.
• C. It logs sensitive information to syslog.
• D. It makes your computer share network resources without any authentication.
• E. It is a graphical DNS tool with known exploits.

Answer: B

NEW QUESTION 12

What is a purpose of an SSH host key?

• A. It must be sent by any SSH client in addition to a user key in order to identify the client's host.
• B. It provides the server's identity information to connecting SSH clients.
• C. It is the root key by which all user SSH keys must be signed.
• D. It authenticates any user that logs into a remote machine from the key's host.
• E. It is used by system services like cron, syslog or a backup job to automatically connect to remote hosts.

Answer: B

NEW QUESTION 13

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

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
groupadd, /usr/sbin/groupadd

NEW QUESTION 14

A French user has installed the French language pack, but currencies are still being displayed with a leading '$' sign in his spreadsheets. What must be done to fix this?

• A. Alter the locale.
• B. Set the timezone correctly.
• C. Edit /etc/currency.
• D. Reinstall the French language pack.

Answer: A

NEW QUESTION 15

Which of the following commands lists all defined variables and functions within Bash?

• A. env
• B. set
• C. env -a
• D. echo $ENV

Answer: B

NEW QUESTION 16

What word is missing from the following SQL statement?
_____ count(*) from tablename;
(Please specify the missing word using lower-case letters only.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
select

NEW QUESTION 17

Given the following routing table:

How would an outgoing packet to the destination 192.168.2.150 be handled?

• A. It would be passed to the default router 192.168.178.1 on wlan0.
• B. It would be directly transmitted on the device eth0.
• C. It would be passed to the default router 255.255.255.0 on eth0.
• D. It would be directly transmitted on the device wlan0.
• E. It would be passed to the router 192.168.1.1 on eth0.

Answer: E

NEW QUESTION 18

By default, the contents of which directory will be copied to a new user's home directory when the account is created by passing the -m option to the useradd command? (Specify the full path to the directory.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
/etc/skel

NEW QUESTION 19

What is the purpose of the Sticky Keys feature in X?

• A. To assist users who have difficulty holding down multiple keys at once
• B. To prevent repeated input of a single character if the key is held down
• C. To ignore brief keystrokes according to a specified time limit
• D. To repeat the input of a single character

Answer: A

NEW QUESTION 20

Which of the following tools used for DNS debugging, reports not only the response from the name server but also details about the query?

• A. dnsq
• B. dig
• C. hostname
• D. dnslookup
• E. zoneinfo

Answer: B

NEW QUESTION 21

Which of the following details is NOT provided in any output from the netstat utility?

• A. broadcast services
• B. interface statistics
• C. masquerading connections
• D. network connections
• E. routing tables

Answer: A

NEW QUESTION 22
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