AI-200 Data Management Services And Vector Search Practice Question
You are implementing a robust data layer architecture for an enterprise generative AI application. Which THREE factors should you evaluate when deciding between Azure AI Search and Azure Cosmos DB for vector search? (Choose three)
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
✓
Need for automated multi-region replication with single-digit millisecond latency reads
When choosing between Azure AI Search and Cosmos DB for vector search, factors such as full-text search capabilities, transactional operational database needs, and scaling requirements are critical.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Need for automated multi-region replication with single-digit millisecond latency reads
Why this is correct
Cosmos DB provides turnkey multi-region replication with tunable consistency levels.
- ✓
Need for advanced full-text search, BM25 ranking, and semantic re-ranking
Why this is correct
Azure AI Search excels at enterprise search features like BM25 and semantic ranking.
- ✗
Requirement to run Hadoop MapReduce jobs directly over the vector indexes
Why it's wrong here
MapReduce is not a primary architectural criterion for evaluating AI search vs NoSQL vector stores.
- ✗
Requirement to store vector embeddings as relational SQL tables with foreign key constraints
Why it's wrong here
Neither service is a traditional relational database management system.
- ✓
Requirement for low-latency transactional CRUD operations alongside vector search
Why this is correct
Azure Cosmos DB is a fully managed NoSQL database optimized for transactional operations and vector search combined.
About these practice questions
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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 Microsoft exam blueprint
This AI-200 practice question is part of Courseiva's free Microsoft 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 AI-200 exam.