Lpi LPI Certifications 102-500 Questions & Answers

• Question 121:

  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.

  Correct Answer: D

• Question 122:

  On a system using shadowed passwords, the most correct permissions for /etc/passwd are ___ and the most correct permissions for /etc/shadow are _________.

  A. -rw-r-----, -r-------

  B. -rw-r--r--, -r--r--r-

  C. -rw-r--r--, -r-------

  D. -rw-r--rw-, -r-----r-

  E. -rw-------, -r-------

  Correct Answer: C

• Question 123:

  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

  Correct Answer: ACD

• Question 124:

  Which of the following tasks can be accomplished using the command date? (Choose TWO correct answers.)

  A. Synchronize the hardware and system clocks.

  B. Output date and time in different formats.

  C. Set the system clock.

  D. Set the hardware clock.

  E. Update the time via NTP.

  Correct Answer: BC

• Question 125:

  Which crontab entry could be used to set the system time at regular intervals?

  A. 1 0 * * * date $d $t $24

  B. 1 0 * * * ntpdate ntp1.digex.net

  C. 1 0 * * * date ntp1.digex.net

  D. 1 0 * * * runcron date ntp1.digex.net

  E. 1 0 * * * settime $d $t $24

  Correct Answer: B

• Question 126:

  Where are user specific crontabs stored?

  A. In the database file /etc/crontab.db which is shared by all users.

  B. As individual per-user files within /var/spool/cron.

  C. As individual per-user files in /etc/cron.user.d.

  D. In the .crontab file in the user's home directory.

  E. In the file /var/cron/user-crontab which is shared by all users.

  Correct Answer: B

• Question 127:

  Which file contains the date of the last change of a user's password?

  A. /etc/gshadow

  B. /etc/passwd

  C. /etc/pwdlog

  D. /etc/shadow

  E. /var/log/shadow

  Correct Answer: D

• Question 128:

  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

  Correct Answer: D

• Question 129:

  Of the ways listed, which is the best way to temporarily suspend a single user's ability to interactively login?

  A. Add the user name to /etc/nologin.

  B. Change the user's password.

  C. Change the user name in /etc/passwd.

  D. Use change to expire the user account.

  E. Place the command logout in the user's profile.

  Correct Answer: D

• Question 130:

  In case neither cron.allow nor cron.deny exist in /etc/, which of the following is true?

  A. Without additional configuration, no users may have user specific crontabs.

  B. Without additional configuration, all users may have user specific crontabs.

  C. The cron daemon will refuse to start and report missing files in the system's logfile.

  D. When a user creates a user specific crontab the system administrator must approve it explicitly.

  Correct Answer: A