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MongoDB Database Engineering
Specialized Indexing
Quiz
Chapter Quiz: Specialized Indexing
Mastery Assessment: Specialized Indexing
Complete this assessment with 100% score to master this chapter.
01
What is the primary use case for a TTL index?
Improving search speed.
Automatically deleting documents after a specific amount of time (e.g., sessions or logs).
Mapping locations.
Sorting by date.
02
Which geometry library does MongoDB's 2dsphere index use to calculate distances on a sphere?
Google S2 Library
OpenStreetMap API
Proj4js
GeoJSON.io
03
In a Text Index, what is the purpose of 'weights'?
To limit the size of the index.
To adjust the importance of specific fields when calculating the search score.
To define the language of the text.
To encrypt the data.
04
What is a 'Wildcard Index' best suited for?
Indexing a single, fixed-schema field.
Indexing collections with unpredictable or highly variable sub-document fields.
Speeding up geospatial queries.
Replacing all other index types.
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