Page 536 - StudyBook.pdf

520 Chapter 8 • Infrastructure Security: System Hardening

A. 22

B. 110
C. 161
D. 31337

9. Justin is reviewing open ports on his Web server and has noticed that port 23
is open. He has asked you what the port is and if it presents a problem.What
should you tell him?

A. Port 23 is no problem because it is just the Telnet client
B. Port 23 is a problem because it is used by the Subseven Trojan
C. Port 23 is open by default and is for system processes
D. Port 23 is a concern because it is a Telnet server and is active

10. You have been given the scan below and asked to review it.

Interesting ports on (18.2.1.88):
(The 1263 ports scanned but not shown below are in state: filtered)
Port State Service
22/tcp open ssh
53/udp open dns
80/tcp open http
110/tcp open pop3
111/tcp open sun rpc

Your coworker believes it is a Linux computer.What open port led to that
assumption?

A. Port 53
B. Port 80
C. Port 110
D. Port 111

11. While your company has yet to develop a Web site, they consider the privacy of
e-mail as very important because they are developing a new, highly profitable
prescription drug.Which of the following will help them meet this goal?

A. IPSec

www.syngress.com