Senior MongoDB

Test your Senior-level Nosql Databases Mongodb skills in Database Data Management. This timed assessment evaluates your expertise in Information Technology.

Duration: 5 minutes

•40 questions

Time Remaining: 05:00

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40 questions remaining

Question 1 of 40Assessment

Why is a 'hashed index' unsuitable for range-based queries (e.g., $gt, $lt) on the indexed field?

A. Hashed indexes do not maintain the legal order of values, making range scans impossible.

B. They are only allowed on the _id field and cannot be used for custom application fields.

C. The MongoDB query optimizer ignores hashed indexes if the query includes any sort operations.

D. Hashed indexes require an exact match because the hash function is non-deterministic.

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