PCNE Implementing VPC Instances Practice Question
A security team wants to block traffic from specific geographic regions (e.g., Country A) to their HTTP(S) load balancer. Which Google Cloud service should they use?
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
✓
Cloud Armor
Cloud Armor security policies can be attached to HTTP(S) load balancers. They support geo-based access control (allow/deny by country) using preconfigured or custom rules.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Firewall rules
Why it's wrong here
Firewall rules work at the VPC level and cannot filter by geographic location.
- ✗
VPC Service Controls
Why it's wrong here
VPC Service Controls control access to Google APIs, not HTTP load balancers.
- ✓
Cloud Armor
Why this is correct
Cloud Armor provides geo-based access control using geographic location (GeoIP) matching.
- ✗
Cloud CDN
Why it's wrong here
Cloud CDN caches content but does not provide geo-blocking.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCNE practice question is part of Courseiva's free Google Cloud 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 PCNE exam.