Drag a concept onto its matching description — or click a concept then click the description.
Concepts
Matches
22
443
53
25
3389
mediumMatchingObjective-mapped
FC0-U71 Practice Question: Match each network protocol to its well-known…
Match each network protocol to its well-known port number.
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
✓
HTTP: 80
HTTP uses port 80 (A is correct). HTTPS uses port 443 (B is correct). FTP uses port 21 (C is correct). SSH uses port 22 (D is correct). SMTP uses port 25, not 53, so E is incorrect. DNS uses port 53, not 25, so F is incorrect.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
HTTP: 80
Why this is correct
HTTP uses port 80 by default.
- ✓
HTTPS: 443
Why this is correct
HTTPS uses port 443 for secure communication.
- ✓
FTP: 21
Why this is correct
FTP uses port 21 for control commands.
- ✓
SSH: 22
Why this is correct
SSH uses port 22 for secure shell access.
- ✗
SMTP: 53
Why it's wrong here
SMTP uses port 25, not 53.
- ✗
DNS: 25
Why it's wrong here
DNS uses port 53, not 25.
Go deeper
Related to this question
About these practice questions
This FC0-U71 question is part of Courseiva's 988-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA 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 FC0-U71 exam.