Port Numbers Quiz

Question 1

The File Transfer Protocol (FTP) Control Connection for administering a session is established through port number

Answer 1

21

Question 2

The File Transfer Protocol (FTP) Data Connection for sending file data is established through port number

Answer 2

20

Question 3

The Secure Shell (SSH) protocol uses

Answer 3

Port 22

Question 4

Port number 23 is assigned to

Answer 4

Telnet

Question 5

Simple Mail Transfer Protocol (SMTP) operates with the use of port

Answer 5

25

Question 6

What port does Domain Name System (DNS) use?

Answer 6

53

Question 7

Port 80 is used by

Answer 7

HTTP

Question 8

Post Office Protocol v3 (POP3) runs on port

Answer 8

110

Question 9

Port 143 is assigned to

Answer 9

Internet Message Access Protocol (IMAP)

Question 10

What port is used by Hypertext Transfer Protocol over TLS/SSL (HTTPS)

Answer 10

443

Question 11

A network technician uses a Remote Desktop Protocol (RDP) client on their Windows OS in order to remotely troubleshoot a problem on another Windows machine. Which of the following ports needs to be opened for the built-in Windows RDP server to allow this type of network connection?

Answer 11

3389

Question 12

What 3 port numbers are reserved for NetBIOS services?

Answer 12

137, 138, 139

Question 13

Port 445 is used by (2 answers)

Answer 13

Server Message Block (SMB) and Common Internet File System (CIFS)

Question 14

What is the port number for Service Location Protocol (SLP)?

Answer 14

427

Question 15

What port number is used by an Apple-proprietary file services protocol?

Answer 15

548