102-500 Free Practice Test

- (Exam Topic 3)
Of the ways listed, which is the best way to temporarily suspend a single user's ability to interactively login?

1. A. Add the user name to /etc/nologin.
2. B. Change the user's password.
3. C. Change the user name in /etc/passwd.
4. D. Use change to expire the user account.
5. E. Place the command logout in the user's profile.

Correct Answer: D

- (Exam Topic 5) What is true regarding a default route?

1. A. The default route is always used firs
2. B. When the default route is not available more specific routes are tried.
3. C. When a default route is set, all other routes are disabled until the default route is deleted.
4. D. The default route is only used if there is not a more specific route to a destination host or network.
5. E. Without a default route, no network communication even in directly attached networks is possible.

Correct Answer: C

- (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 6)
Which file contains a set of services and hosts that will be allowed to connect to the server by going through a TCP Wrapper program such as tcpd? (Specify the full name of the file, including path.)https://lh3.googleusercontent.com/-5cd-clmKnbk/AAAAAAAAAAI/AAAAAAAAADM/-SXesH19Ido/s4
Solution:
/etc/hosts.allow

Does this meet the goal?

1. A. Yes
2. B. No

Correct Answer: A

- (Exam Topic 5)
Which of the following commands can be used to display the local routing table? (Choose TWO correct answers.)

1. A. ifconfig
2. B. dig
3. C. netstat
4. D. route
5. E. trackroute

Correct Answer: CD