ISC2 CC Network Security Practice Question
Which port number is associated with HTTPS, and what protocol encrypts the communication?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Port 443, SSL/TLS
HTTPS uses port 443 and is encrypted using SSL/TLS.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Port 80, SSL/TLS
Why it's wrong here
Port 80 is HTTP, unencrypted.
- ✗
Port 8080, SSL/TLS
Why it's wrong here
Port 8080 is often a proxy, not standard HTTPS.
- ✓
Port 443, SSL/TLS
Why this is correct
Correct. HTTPS on 443 uses SSL/TLS.
- ✗
Port 443, SSH
Why it's wrong here
SSH uses port 22.
Go deeper
Related to this question
Learn chapter
Authentication and Authorization Methods
Key term
SSL
SSL (Secure Sockets Layer) is a cryptographic protocol that encrypts data transmitted between a client and a server to ensure privacy and data integrity.
Key term
Transport Layer Security
Transport Layer Security (TLS) is a cryptographic protocol that provides secure, encrypted communication between two devices over a network, such as between a web browser and a server.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CC exam.