PCNE Implementing VPC Instances Practice Question
You need to protect an HTTPS load-balanced application from SQL injection and cross-site scripting attacks. Which Google Cloud service should you 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 provides Web Application Firewall (WAF) capabilities, including preconfigured rules to detect and block SQLi and XSS attacks. It attaches to HTTPS Load Balancers.
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 are L3/L4; they cannot inspect application-layer payloads.
- ✗
Cloud IDS
Why it's wrong here
Cloud IDS is for network threat detection, not WAF.
- ✗
VPC Service Controls
Why it's wrong here
VPC Service Controls restrict data exfiltration, not web attacks.
- ✓
Cloud Armor
Why this is correct
Cloud Armor offers WAF rules to protect against web attacks.
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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.