Consul 1.15 Multi Datacenter Federation Practice Question
What is the recommended number of Consul servers per datacenter to ensure high availability?
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
✓
3
The recommended number for a consensus-based system like Consul is 3 or 5, to tolerate n/2-1 failures.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
3
Why this is correct
3 is the minimum recommended for quorum and HA.
- ✗
2
Why it's wrong here
Even numbers are not recommended for Raft.
- ✗
1
Why it's wrong here
1 server is a single point of failure.
- ✗
10
Why it's wrong here
10 is excessive for typical clusters.
About these practice questions
This Consul 1.15 question is part of Courseiva's 194-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official HashiCorp exam blueprint
This Consul 1.15 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 Consul 1.15 exam.