CompTIA CompTIA Certifications LX0-104 Questions & Answers

• Question 121:

  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 122:

  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.)

  A. TZ

  Correct Answer: A

• Question 123:

  Each entry in a crontab must end with what character?

  A. Tab

  B. Space

  C. Backslash

  D. Newline

  Correct Answer: D

• Question 124:

  To prevent a specific user from scheduling tasks with at, what should the administrator do?

  A. Add the specific user to /etc/at.allow file.

  B. Add the specific user to [deny] section in the /etc/atd.conf file.

  C. Add the specific user to /etc/at.deny file.

  D. Add the specific user to nojobs group.

  E. Run the following: atd --deny [user].

  Correct Answer: C

• Question 125:

  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.

  Correct Answer: A

• Question 126:

  Which of the following steps prevents a user from obtaining an interactive login session?

  A. Run the command chsh -s /bin/false with the user name.

  B. Set the UID for the user to 0.

  C. Remove the user from the group staff.

  D. Add the user to /etc/noaccess.

  E. Create a .nologin file in the user's home directory.

  Correct Answer: A

• Question 127:

  Which file specifies the user accounts that can NOT submit jobs via at or batch? (Provide the full path and filename)

  A. /etc/at.deny

  Correct Answer: A

• Question 128:

  Which character in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow?

  A. *

  B.

  C. s D. x

  Correct Answer: D

• Question 129:

  The system's timezone may be set by linking /etc/localtime to an appropriate file in which directory? (Provide the full path to the directory, without any country information)

  A. /usr/share/zoneinfo/

  Correct Answer: A

• Question 130:

  Which of the following fields are available in both the global /etc/crontab file as well as in user-specific crontab files? (Select TWO correct answers)

  A. Year

  B. Minute

  C. Username

  D. Command

  Correct Answer: BD