SSCP Network and Communications Security Practice Question
Which of the following protocols operates on TCP port 443 and provides encrypted communication between a web browser and a web server?
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
✓
HTTPS
HTTPS uses TLS/SSL over TCP port 443 to secure HTTP traffic.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
HTTPS
Why this is correct
HTTPS uses TCP port 443 with TLS/SSL encryption.
- ✗
SMTP
Why it's wrong here
SMTP uses TCP port 25.
- ✗
SSH
Why it's wrong here
SSH uses TCP port 22.
- ✗
HTTP
Why it's wrong here
HTTP uses TCP port 80, not 443.
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Same concept, more angles
1 more way this is tested on SSCP
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. Which TCP port is commonly used for secure web traffic (HTTPS) and is often allowed through firewalls for web browsing?
easy- A.22
- ✓ B.443
- C.80
- D.3389
Why B: HTTPS operates over TCP port 443, which is commonly open for secure web traffic.
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SSCP 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 SSCP exam.