CompTIA CompTIA Linux+ LX0-102 Questions & Answers

• Question 61:

  Which of the following commands is used to hold keys during a login session to be used for automatic authentication while logging in to other machines using ssh?

  A. sshd

  B. ssh-agent

  C. ssh-keygen

  D. ssh-add

  Correct Answer: B

• Question 62:

  What keyword is missing from this code sample of a shell script?

  ____ i in *.txt; do echo $i done

  A. for

  B. loop

  C. until

  D. while

  Correct Answer: A

• Question 63:

  Which of the following bash options will prevent an administrator from overwriting a file with a ">"?

  A. set -o safe

  B. set -o noglob

  C. set -o noclobber

  D. set -o append

  E. set -o nooverwrite

  Correct Answer: C

• Question 64:

  Which of the following is NOT contained in the locale setting of the operating system?

  A. Currency symbol

  B. Language

  C. Timezone

  D. Thousands separator

  Correct Answer: C

• Question 65:

  Which of the following commands will print the exit value of the previous command to the screen in bash?

  A. echo $?

  B. echo $#

  C. echo $exit

  D. echo $status

  E. echo $and}

  Correct Answer: A

• Question 66:

  Which of the following is NOT a Mail Transport Agent?

  A. exim

  B. postfix

  C. sendmail

  D. qmail

  E. mail

  Correct Answer: E

• Question 67:

  A senior executive asked an administrator to change the default background of the executive's machine, which uses XDM. Which of the following files would the administrator edit to achieve this?

  A. /etc/X11/xdm/Xsetup

  B. /etc/X11/xdm.conf

  C. /etc/X11/xdm/Defaults

  D. /etc/X11/defaults.conf

  Correct Answer: A

• Question 68:

  The correct crontab entry to execute the script chklog three times per month between 3 p.m. and 5 p.m.:

  A. * 3, 4, 5 1 * * chklog

  B. 3 3, 4, 5 1 * * chklog

  C. 3 15, 16, 17 * * * chklog

  D. 0 15, 16, 17 1 * * chklog

  E. * 15, 16, 17 1 * * chklog

  Correct Answer: D

• Question 69:

  On a dual boot system, every time the system is booted back into Linux the time has been set backward

  by one day. Which of the following commands will correct the problem?

  A. date -d '+ 1 day'

  B. hwclock --systohc --localtime

  C. ntpdate pool.ntp.org

  D. time hwclock

  Correct Answer: B

• Question 70:

  Which of the following commands should be used to print a listing of email in the system's mail queue?

  A. lpq

  B. mailq

  C. mlq

  D. sendmail -l

  Correct Answer: B