PCNE Implementing VPC Instances Practice Question
A company wants to protect its HTTP(S) Load Balancer against DDoS attacks and common web exploits like SQL injection and cross-site scripting. 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 is Google's web application firewall (WAF) and DDoS protection service. It integrates with Cloud Load Balancing to provide security policies that inspect traffic and block attacks like SQLi and XSS using pre-configured WAF 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.
- ✗
VPC Service Controls
Why it's wrong here
VPC Service Controls manage data exfiltration risks, not application-layer attacks.
- ✓
Cloud Armor
Why this is correct
Cloud Armor provides WAF rules for SQLi, XSS, and DDoS protection.
- ✗
Firewall Rules
Why it's wrong here
Firewall rules operate at Layer 3/4 and cannot inspect application payloads.
- ✗
Cloud NAT
Why it's wrong here
Cloud NAT provides outbound internet access, not security.
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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.