PCNE Configuring Network Services Practice Question
A company wants to enable mTLS between microservices in a service mesh managed by Traffic Director. They have deployed Envoy sidecars. What must be configured to enforce mTLS?
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
✓
The mTLS mode in Traffic Director's mesh configuration
Traffic Director uses the mTLS mode in the Envoy configuration. The correct way is to set the tls_mode to STRICT in the TrafficDirector's mesh configuration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
An SSL policy on the load balancer
Why it's wrong here
SSL policies are for load balancer frontends, not mesh.
- ✗
A VPC Service Controls perimeter
Why it's wrong here
VPC SC is for data exfiltration prevention.
- ✗
A Cloud Armor security policy
Why it's wrong here
Cloud Armor is for web security, not mTLS.
- ✓
The mTLS mode in Traffic Director's mesh configuration
Why this is correct
Correct: setting mTLS mode to strict enforces mTLS.
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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.