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AI-200 Data Management Services And Vector Search Practice Question

You are implementing vector search in Azure AI Search using the REST API. You want to execute a pure vector query without any keyword matching. What parameter must be omitted or left empty in your query request payload?

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

✓

The 'search' parameter

To execute a pure vector query in Azure AI Search without keyword search, you omit or leave the 'search' parameter empty while providing the 'vectorQueries' parameter.

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 'vectorQueries' parameter
Why it's wrong here
Omitting vectorQueries would leave you with a standard text search, not a vector search.
✓
The 'search' parameter
Why this is correct
Omitting the 'search' parameter ensures the query relies strictly on the vector query rather than full-text search.
✗
The 'top' parameter
Why it's wrong here
The top parameter controls result counts and does not determine whether text search is active.
✗
The 'api-version' parameter
Why it's wrong here
api-version is mandatory for all Azure AI Search REST requests.

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Last reviewed August 2026 · checked against the official Microsoft exam blueprint

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