350-701 Cloud Security Practice Question
In AWS, which resource acts as a stateful firewall at the instance level to control inbound and outbound traffic?
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
Security groups in AWS are stateful firewalls that operate at the instance level, while NACLs are stateless at the subnet level.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Network ACL
Why it's wrong here
NACLs are stateless and operate at the subnet level.
- ✗
Internet Gateway
Why it's wrong here
An internet gateway enables VPC connectivity, not firewall.
- ✗
VPC Flow Logs
Why it's wrong here
Flow logs capture traffic metadata, not control traffic.
- ✓
Security Group
Why this is correct
Security groups are stateful instance-level firewalls.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-701 practice question is part of Courseiva's free Cisco 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 350-701 exam.