PCNE Configuring Network Services Practice Question
A company wants to use Cloud DNS to distribute traffic across multiple regional endpoints with failover: primary in us-central1, secondary in us-west1. If the primary health check fails, traffic should go to secondary. Which routing policy 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
✓
Failover routing policy
Failover routing policy allows specifying primary and secondary targets with health checks. Geolocation and weighted round robin do not provide failover behavior.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Geolocation routing policy
Why it's wrong here
Geo routing directs based on user location, not failover.
- ✗
Weighted round robin routing policy
Why it's wrong here
Weighted round robin distributes traffic by weight, not failover.
- ✓
Failover routing policy
Why this is correct
Correct. Failover routing policy supports primary/backup with health checks.
- ✗
Simple routing policy (A record)
Why it's wrong here
Simple routing returns a single IP, no failover.
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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.