- (Exam Topic 4)
You need to pause the CUPS printer HPLaserjet4, and you want to cancel all print jobs with a message, "hello". Which command will do this?

1. A. cupsreject -c -r hello HPLaserjet4
2. B. cupsreject -p -m hello HPLaserjet4
3. C. cupsdisable -c -r hello HPLaserjet4
4. D. cupsdisable -p -m hello HPLaserjet4

Correct Answer: C

- (Exam Topic 5)
What is true regarding TCP port 23?

1. A. Port 23 is the well known port for the telnet service which is a plain text protocol that should no longer be used.
2. B. Port 23 is the well known port for the SSH service which provides secure logins.
3. C. Port 23 is the well known port for the rlogin service which is SSL secured by default.
4. D. Port 23 is the well known port for the system login services which are encrypted when the user runs the starttls command in his login shell.

Correct Answer: A

- (Exam Topic 4)
After configuring printing on a Linux server, the administrator sends a test file to one of the printers and it fails to print. What command can be used to display the status of the printer's queue? (Specify ONLY the command without any path or parameters.)
Solution:
lpq, /usr/bin/lpq, lpstat, /usr/bin/lpstat

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A

- (Exam Topic 4)
Which command, available with all MTAs, is used to list the contents of the MTA's mail queue? (Specify ONLY the command without any path or parameters.)
Solution:
mailq, /usr/bin/mailq, sendmail -bp, /usr/sbin/sendmail -bp, /usr/lib/sendmail -bp, sendmail,
/usr/sbin/sendmail, /usr/lib/sendmail

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A

- (Exam Topic 5)
Which of the following commands will help identify a broken router between the local and the remote machine?

1. A. ps
2. B. netstat
3. C. nslookup
4. D. ifconfig
5. E. traceroute

Correct Answer: E