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Question No.91

What is the purpose of the command mailq?

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

2. It is a multi-user mailing list manager.

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

4. It queries the mail queue of the local MTA.

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

Correct Answer: D

Question No.92

What command can be used to generate syslog entries of any facility and priority? (supply just the command name without a path)

Correct Answer: logger

Question No.93

To exclude all log messages of a given logging facility, you should use a logging priority of .

Correct Answer: none

Question No.94

What command should be used to print a listing of email in the system#39;s mail queue?

1. lpq

2. mailq

3. mlq

4. sendmail -l

Correct Answer: B

Question No.95

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

1. Postfix

2. Procmail

3. Sendmail

4. Exim

5. SMTPd

Correct Answer: ACD

Question No.96

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

1. lpd

2. lpp

3. lpq

4. lpr

Correct Answer: D

Question No.97

What entry can be added to the syslog.conf file to have all syslog messages generated by a system displayed on console 12?

1. *.* /dev/tty12

2. /var/log/messages | /dev/tty12

3. | /dev/tty12

4. syslog tty12

5. mail.* /dev/tty12

Correct Answer: A

Question No.98

What is true regarding the command sendmail?

1. With any MTA, the sendmail command must be run periodically by the cron daemon.

2. All MTAs, including Postfix and Exim, provide a sendmail command.

3. The sendmail command prints the MTAs queue history of which mails have been sent successfully.

4. It is only available when the sendmail MTA is installed.

Correct Answer: B

Question No.99

What is true about the ntpdate command?

1. It is the primary management command for the NTP time server.

2. It updates the local system#39;s date (i.e. day, month and year) but not the time (i.e. hours, minutes, seconds).

3. It queries one or more NTP time servers and adjusts the system time accordingly.

4. It sends the local system time to one or many remote NTP time servers for redistribution.

5. It can be used by any user to set the user clock independently of the system clock.

Correct Answer: C

Question No.100

Which of the following is observed and corrected by a NTP client?

1. The skew in time between the system clock and the hardware clock.

2. The skew in time between the system clock and the reference clock.

3. Changes in the time zone of the current computer#39;s location.

4. Adjustments needed to support Daylight Saving Time.

Correct Answer: B

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