CompTIA Security Plus Mock Test Q145

A technician is unable to manage a remote server. Which of the following ports should be opened on the firewall for remote server management? (Select TWO).

A. 22
B. 135
C. 137
D. 143
E. 443
F. 3389

Correct Answer: A,F
Section: Network Security

Explanation:
A secure remote administration solution and Remote Desktop protocol is required. Secure Shell (SSH) is a secure remote administration solution and makes use of TCP port 22. Remote Desktop Protocol (RDP) uses TCP port 3389.

Incorrect Answers:
B: Port 135 is used by Microsoft EPMAP (End Point Mapper), also known as DCE/RPC Locator service, which is used to remotely manage services including DHCP server, DNS
server and WINS.
C: NetBIOS Name Service uses TCP port 137.
D: Internet Message Access Protocol v4 (IMAP4) uses TCP port 143.
E: HTTPS uses TCP port 443

References:
Stewart, James Michael, CompTIA Security+ Review Guide, Sybex, Indianapolis, 2014, pp. 51, 52
http://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers