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ACE Practice Question: Your organization mandates that all…
This ACE practice question tests your understanding of your organization mandates that all…. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
Your organization mandates that all service-to-service communication within a GKE cluster must be encrypted in transit using mutual TLS (mTLS). The team does not want to manage certificates or modify application code. Which solution meets these requirements?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Best answer
Enable Anthos Service Mesh with mTLS policy set to STRICT mode.
ASM (based on Istio) injects Envoy sidecars that handle mTLS automatically. In STRICT mode, all service-to-service communication requires mTLS. No application code changes needed — the sidecar handles everything.
B
Distractor review
Use Cloud Armor to enforce TLS between services within the cluster.
Cloud Armor is an edge security service (WAF/DDoS protection) for internet-facing load balancers, not for in-cluster service-to-service encryption.
C
Distractor review
Enable GKE node-to-node encryption to encrypt all traffic between nodes.
Node-to-node encryption encrypts traffic at the node level (host-to-host network layer), not at the application service level. It doesn't provide mTLS between specific services.
D
Distractor review
Configure Kubernetes TLS Secrets and mount them as volumes in each pod.
Manually managing TLS Secrets requires certificate rotation, application code to load certs, and doesn't provide automatic mTLS between services. This requires code changes and significant operational work.
Common exam trap
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.
Technical deep dive
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.
Related practice questions
Related ACE practice-question pages
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
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Question 4
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Question 5
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Question 6
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FAQ
Questions learners often ask
What does this ACE question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: Enable Anthos Service Mesh with mTLS policy set to STRICT mode. — A service mesh like Anthos Service Mesh (ASM) or Istio provides mTLS between services transparently at the sidecar proxy layer. The application code doesn't change — the Envoy sidecar proxy handles certificate provisioning, rotation, and mTLS handshakes automatically. ASM on GKE integrates with Google-managed CAs for certificate issuance. This is the standard solution for cluster-wide mTLS without application code changes.
What should I do if I get this ACE question wrong?
Identify which ACE 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.
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This ACE 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 ACE exam.