- (Exam Topic 1)
Which of the following commands puts the output of the command date into the shell variable mydate?

1. A. mydate="$(date)"
2. B. mydate="exec date"
3. C. mydate="$((date))"
4. D. mydate="date"
5. E. mydate="${date}"

Correct Answer: A

- (Exam Topic 2)
Which of the following lines is an example of a correct setting for the DISPLAY environment variable?

1. A. hostname:displayname
2. B. hostname:displaynumber
3. C. hostname/displayname
4. D. hostname/displaynumber
5. E. hostname

Correct Answer: B

- (Exam Topic 2)
Why is the xhost program considered dangerous to use?

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

Correct Answer: B

- (Exam Topic 3)
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)

1. A. Year
2. B. Minute
3. C. Username
4. D. Command

Correct Answer: BD

- (Exam Topic 3)
Which of the following files assigns a user to its primary group?

1. A. /etc/pgroup
2. B. /etc/shadow
3. C. /etc/group
4. D. /etc/passwd
5. E. /etc/gshadow

Correct Answer: D