- (Exam Topic 3)
Which TWO statements about crontab are true?

1. A. Every user may have their own crontab.
2. B. Changing a crontab requires a reload/restart of the cron daemon.
3. C. The cron daemon reloads crontab files automatically when necessary.
4. D. hourly is the same as "0 * * * *".
5. E. A cron daemon must run for each existing crontab.

Correct Answer: AC

- (Exam Topic 1)
What benefit does an alias in bash provide?

1. A. It provides faster lookups for commands in the system directory.
2. B. It creates a local copy of a file from another directory.
3. C. It hides what command you are running from others.
4. D. It allows a string to be substituted for the first word of a simple command.

Correct Answer: D

- (Exam Topic 1)
What is the difference between the commands test -e path and test -f path?

1. A. They are equivalent options with the same behaviour.
2. B. The -f option tests for a regular fil
3. C. The -e option tests for an empty file.
4. D. Both options check the existence of the pat
5. E. The -f option also confirms that it is a regular file.
6. F. The -f option tests for a regular fil
7. G. The -e option tests for an executable file.

Correct Answer: C

- (Exam Topic 1)
Which of the following words is used to restrict the records that are returned from a SELECT query based on a supplied criteria for the values in the records?

1. A. LIMIT
2. B. FROM
3. C. WHERE
4. D. IF

Correct Answer: C

- (Exam Topic 3)
On a system using shadowed passwords, the most correct permissions for /etc/passwd are _____ and the most correct permissions for /etc/shadow are ____.

1. A. -rw-r-----, -r--------
2. B. -rw-r--r--, -r--r--r--
3. C. -rw-r--r--, -r--------
4. D. -rw-r--rw-, -r-----r--
5. E. -rw-------, -r--------

Correct Answer: C