Consul 1.15 Multi Datacenter Federation Practice Question
When joining a new datacenter to an existing WAN pool, what is the best practice for server versions?
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
✓
Versions should be consistent across all datacenters.
Running different versions of Consul is supported during upgrades, but maintaining consistent versions across the federation is recommended for stability.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The new DC must run a newer version.
Why it's wrong here
Version matching is not strictly enforced.
- ✗
The new DC must run an older version.
Why it's wrong here
This is not a requirement.
- ✓
Versions should be consistent across all datacenters.
Why this is correct
Consistency is a best practice for operational stability.
- ✗
Version doesn't matter at all.
Why it's wrong here
Drastic version differences can cause compatibility issues.
About these practice questions
Courseiva writes every Consul 1.15 question from scratch — 194 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or 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.