B) 443. HTTPS uses port 443 for secure communication.

HTTPS uses port:

A 80

B 443

C 8080

D 21

✓ Correct Answer: Option B

HTTPS uses port 443 for secure communication.

💡 Why is B) the correct answer?

The correct answer to the question "HTTPS uses port:" is Option B: 443.

The other options — A) 80, C) 8080, D) 21 — are incorrect for this Computer Science question. As explained above: HTTPS uses port 443 for secure communication.

📚 About This Computer Science Practice Question

This 2-level Computer Science question from the Internet & Email topic is part of One Paper Preparation's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free Computer Science practice test or use flashcards for spaced repetition review.

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HTTPS uses port:

✓ Correct Answer: Option B

📚 About This Computer Science Practice Question

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