Welcome to plentysmart's well-known ports quiz.

Training for a certification exam like the Microsoft MCSE or the Cisco CCNA? Or do you need to know TCP/UDP ports for your job? This quiz is a great place to practice.

The quiz is divided into 3 sections of 5 questions each. When you are done, just click on the button at the bottom to submit your answers. Good luck!



Section 1 Five questions. Choose the correct port number of the service given. Each answer is used only once.

1. HTTP

161
22
443
80
23

2. HTTPS

161
22
443
80
23

3. Telnet

161
22
443
80
23

4. SSH

161
22
443
80
23

5. SNMP

161
22
443
80
23

Section 2 Five questions. Choose the correct port number of the service given. Each answer is used only once.

6. POP3

123
143
25
389
110

7. SMTP

123
143
25
389
110

8. IMAP

123
143
25
389
110

9. LDAP

123
143
25
389
110

10. NTP

123
143
25
389
110

Section 3 Five questions. Choose the correct port number of the service given. Each answer is used only once.

11. DNS

119
137
53
500
21

12. NNTP

119
137
53
500
21

13. NetBIOS Name Service

119
137
53
500
21

14. FTP

119
137
53
500
21

15. ISAKMP

119
137
53
500
21

 

 

 
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