CLO-002 Cloud Concepts Practice Question
You need to ensure that a web server can only accept traffic on port 443. Where should this rule be defined?
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
✓
Security Group
A security group acts as a firewall for instances, allowing port control.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Security Group
Why this is correct
This defines inbound and outbound rules for an instance.
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Route Table
Why it's wrong here
Route tables control traffic flow paths.
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Network ACL
Why it's wrong here
NACLs are for subnets; Security Groups are better for instance-level port control.
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VPC Peering
Why it's wrong here
Peering connects two VPCs.
About these practice questions
Courseiva writes every CLO-002 question from scratch — 211 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official CompTIA exam blueprint
This CLO-002 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 CLO-002 exam.