Which of the following ports is used for a secure browser connection for an online purchase?

The correct answer is A. 23. The correct answer for a secure browser connection (HTTPS/TLS) is port 443 (choice D), not port 23. This appears to be an error in the answer key. Port 443 is used by HTTPS (HTTP Secure), which encrypts web traffic using TLS/SSL - it is the standard for all online purchases and…

Networking

Question

Options

A23
B80
C110
D443
E3389

How the community answered

(68 responses)

A
90% (61)
B
1% (1)
C
6% (4)
E
3% (2)

Explanation

The correct answer for a secure browser connection (HTTPS/TLS) is port 443 (choice D), not port 23. This appears to be an error in the answer key. Port 443 is used by HTTPS (HTTP Secure), which encrypts web traffic using TLS/SSL - it is the standard for all online purchases and secure web activity. Port 23 (A) is Telnet, an unencrypted remote terminal protocol. Port 80 (B) is plain HTTP (unencrypted). Port 110 (C) is POP3 for email retrieval. Port 3389 (E) is RDP (Remote Desktop Protocol).

Topics

#HTTPS#port 443#secure browsing#network ports

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