VA-003 Explain Vault architecture Practice Question
A company deploys Vault in a production environment with three nodes using Integrated Storage (Raft). They have configured Performance Replication to a secondary datacenter. The primary datacenter experiences a complete outage. After restoring the primary, they promote the secondary to primary. However, they notice that some secrets written to the primary just before the outage are missing in the secondary. The replication status shows no errors. What is the most likely cause and correct action?
⚠ Common exam trap
Many candidates assume Vault's Performance Replication guarantees zero data loss because the replication status shows no errors, but they fail to recognize that it is asynchronous, allowing a small window of unreplicated writes just before the outage.
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
✓
Accept the data loss and continue with the secondary as primary
Performance Replication in Vault is asynchronous, meaning there is no guarantee that all writes to the primary are replicated to the secondary before a failure. When the primary experiences a complete outage, any secrets written just before the outage that had not yet been acknowledged by the secondary are permanently lost. Since the replication status shows no errors, the system is consistent up to the last replicated point, and the only correct action is to accept the data loss and continue with the promoted secondary as the new primary.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Accept the data loss and continue with the secondary as primary
Why this is correct
Asynchronous replication may lose recent writes; accept and move on.
- ✗
Restore the primary from backup to recover missing secrets
Why it's wrong here
Backup may not contain the latest data, and restoring would overwrite secondary.
- ✗
Failback to the original primary after restoring it
Why it's wrong here
Performance Replication does not support failback directly.
- ✗
Re-promote the original primary and use it as the new primary
Why it's wrong here
Would cause data inconsistency.
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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.