VA-003 Explain Vault architecture Practice Question
Which THREE architectural considerations are important when designing a multi-datacenter Vault deployment?
⚠ Common exam trap
HashiCorp often tests the misconception that a single Vault cluster or storage backend can be stretched across datacenters, but the correct design requires separate clusters and storage backends per datacenter, with replication handling cross-datacenter data flow.
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
✓
Use separate storage backends per datacenter
Each datacenter must maintain its own independent storage backend to avoid a single point of failure and ensure data isolation. Option D is correct because Performance Replication enables local reads by replicating data from the primary cluster to secondary clusters, reducing read latency. Option E is correct because Disaster Recovery Replication provides failover capability, replicating data asynchronously to a standby cluster for disaster recovery. Together, these three considerations ensure high availability, low latency, and resilience in a multi-datacenter Vault deployment.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Use a single storage backend across datacenters
Why it's wrong here
Causes latency and single point of failure.
- ✗
Deploy a single Vault cluster spanning datacenters
Why it's wrong here
Not recommended; separate clusters are better.
- ✓
Use separate storage backends per datacenter
Why this is correct
Ensures isolation and reduces latency.
- ✓
Enable Performance Replication for local reads
Why this is correct
Improves read performance and availability.
- ✓
Enable Disaster Recovery Replication for failover
Why this is correct
Provides DR capabilities.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This VA-003 practice question is part of Courseiva's free HashiCorp 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 VA-003 exam.