Port Numbers Quiz: 20, 22, 80, 443 — Know Them All?

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| By Thames
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Quizzes Created: 7097 | Total Attempts: 80,150
| Questions: 20 | Updated: Jul 2, 2026
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1. Which port is used by IMAP (Internet Message Access Protocol)?

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Port Numbers Quiz: 20, 22, 80, 443 Know Them All? - Quiz

Master Common Networking Ports (Network+) with this college-level quiz focusing on the essential port numbers every IT professional should know. Test your understanding of SSH (22), Telnet (23), SMTP (25), DNS (53), HTTP (80), HTTPS (443), and other critical ports used in modern networks. This quiz reinforces practical knowledge needed... see morefor CompTIA Network+ certification and real-world networking roles. see less

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2. Which port number is associated with HTTPS secure web traffic?

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3. Port 53 is primarily used for______ name resolution.

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4. Which port is used by SFTP (SSH File Transfer Protocol)?

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5. NTP (Network Time Protocol) operates on port 123. True or False?

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6. Port 389 is associated with which directory service protocol?

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7. FTP (File Transfer Protocol) uses port 21 for control and port______ for data.

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8. Which of these is NOT a well-known port number?

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9. SNMP (Simple Network Management Protocol) typically uses port 161. True or False?

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10. Port 443 is used for______ (secure web communication).

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11. Which port number is used by SSH (Secure Shell)?

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12. POP3 (Post Office Protocol 3) operates on port 110. True or False?

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13. DHCP (Dynamic Host Configuration Protocol) uses which port number?

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14. Port 3389 is primarily used by which remote access protocol?

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15. Which port is used for DNS (Domain Name System) queries?

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16. SMTP (Simple Mail Transfer Protocol) uses port____.

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17. Port 23 is associated with which legacy protocol?

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18. What is the primary purpose of port 22?

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19. HTTPS uses port 443 for secure web communication. True or False?

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20. HTTP (Hypertext Transfer Protocol) operates on which port?

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Which port is used by IMAP (Internet Message Access Protocol)?
Which port number is associated with HTTPS secure web traffic?
Port 53 is primarily used for______ name resolution.
Which port is used by SFTP (SSH File Transfer Protocol)?
NTP (Network Time Protocol) operates on port 123. True or False?
Port 389 is associated with which directory service protocol?
FTP (File Transfer Protocol) uses port 21 for control and port______...
Which of these is NOT a well-known port number?
SNMP (Simple Network Management Protocol) typically uses port 161....
Port 443 is used for______ (secure web communication).
Which port number is used by SSH (Secure Shell)?
POP3 (Post Office Protocol 3) operates on port 110. True or False?
DHCP (Dynamic Host Configuration Protocol) uses which port number?
Port 3389 is primarily used by which remote access protocol?
Which port is used for DNS (Domain Name System) queries?
SMTP (Simple Mail Transfer Protocol) uses port____.
Port 23 is associated with which legacy protocol?
What is the primary purpose of port 22?
HTTPS uses port 443 for secure web communication. True or False?
HTTP (Hypertext Transfer Protocol) operates on which port?
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