Google PCA Designing for Security and Compliance Practice Question
This PCA practice question tests your understanding of designing for security and compliance. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company wants to protect a web application from SQL injection and cross-site scripting (XSS) attacks. They also need to block traffic from specific geographic regions. Which three features of Cloud Armor should they use? (Choose THREE).
Can mitigate DDoS attacks by limiting request rates.
B
WAF rules
Preconfigured rules to block SQL injection, XSS, etc.
C
Geographic restrictions
Allow or block traffic based on geo-location.
D
Cloud CDN
Why wrong: Cloud CDN accelerates content delivery, not security features.
E
Adaptive Protection
Why wrong: Adaptive Protection is a machine learning-based DDoS protection that learns traffic patterns; it is not specifically for SQLi/XSS or geographic blocking.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Rate limiting
WAF rules (preconfigured rules for SQLi, XSS), rate limiting (optional), and geographic restrictions (geo-based access control) are all features of Cloud Armor.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Rate limiting
Why this is correct
Can mitigate DDoS attacks by limiting request rates.
Related concept
Read the scenario before looking for a memorised answer.
✓
WAF rules
Why this is correct
Preconfigured rules to block SQL injection, XSS, etc.
Related concept
Read the scenario before looking for a memorised answer.
✓
Geographic restrictions
Why this is correct
Allow or block traffic based on geo-location.
Related concept
Read the scenario before looking for a memorised answer.
✗
Cloud CDN
Why it's wrong here
Cloud CDN accelerates content delivery, not security features.
✗
Adaptive Protection
Why it's wrong here
Adaptive Protection is a machine learning-based DDoS protection that learns traffic patterns; it is not specifically for SQLi/XSS or geographic blocking.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this PCA question in full detail.
Identify which PCA exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Designing for Security and Compliance — This question tests Designing for Security and Compliance — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Rate limiting — WAF rules (preconfigured rules for SQLi, XSS), rate limiting (optional), and geographic restrictions (geo-based access control) are all features of Cloud Armor.
What should I do if I get this PCA question wrong?
Identify which PCA exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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