nerdexam
Cisco

200-901 · Question #172

Which port does HTTPS use by default?

The correct answer is B. 443. HTTPS (Hypertext Transfer Protocol Secure) typically uses TCP port 443 for encrypted communication, while its unencrypted counterpart HTTP uses port 80.

Network Fundamentals

Question

Which port does HTTPS use by default?

Options

  • A433
  • B443
  • C803
  • D883

How the community answered

(47 responses)
  • A
    4% (2)
  • B
    89% (42)
  • C
    2% (1)
  • D
    4% (2)

Why each option

HTTPS (Hypertext Transfer Protocol Secure) typically uses TCP port 443 for encrypted communication, while its unencrypted counterpart HTTP uses port 80.

A433

Port 433 is not a standard port for HTTPS; it's a common typo or a non-standard port.

B443Correct

HTTPS, which is the secure version of HTTP that uses SSL/TLS for encryption, is universally assigned and uses TCP port 443 by default for secure web communication.

C803

Port 803 is not a standard port for HTTPS; it's typically unused or assigned to other specialized services.

D883

Port 883 is not a standard port for HTTPS; it's typically unused or assigned to other specialized services.

Concept tested: Standard port numbers - HTTPS

Source: https://en.wikipedia.org/wiki/List_of_TCP_and_UDP_port_numbers

Topics

#HTTPS#Port Numbers#Networking Protocols

Community Discussion

No community discussion yet for this question.

Full 200-901 Practice