Which port is used for HTTP traffic?

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Prepare for the CPSA Port Numbers Exam with quizzes on port numbers, services, and protocols. Each question is accompanied by hints and detailed explanations. Get exam-ready with our comprehensive study tool!

Multiple Choice

Which port is used for HTTP traffic?

Explanation:
HTTP traffic uses port 80 by default. It’s the standard port for the web when you access sites with http, and the client-server connection is established over TCP on that port to fetch web pages. HTTPS, the secure version, uses port 443. The other ports shown correspond to different services—port 53 is DNS, port 7 is the Echo service, not used for web traffic. So the correct port for HTTP is 80.

HTTP traffic uses port 80 by default. It’s the standard port for the web when you access sites with http, and the client-server connection is established over TCP on that port to fetch web pages. HTTPS, the secure version, uses port 443. The other ports shown correspond to different services—port 53 is DNS, port 7 is the Echo service, not used for web traffic. So the correct port for HTTP is 80.

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