Question 51 : Inclusion queries use the _________ operator in MongoDB.
1. $geokey
2. $geoin
3. $geoWithin
4. All of the mentioned
View Answer   Discuss with Members

Question 52 : MongoDB supports spherical surface calculations on legacy coordinate pairs using a _______ index
1. 2dsphere
2. 2d
3. geoHaystack
4. all of the mentioned
View Answer   Discuss with Members

Question 53 : Which of the following GeoJSON object is not supported in MongoDB ?
1. Point
2. LineString
3. MultiPoint
4. None of the mentioned
View Answer   Discuss with Members

Question 54 : Queries on ________ objects always calculate on a sphere.
1. GeoBSON
2. GeoJSON
3. geoJSONB
4. All of the mentioned
View Answer   Discuss with Members

Question 55 : Which of the following is used to calculate distances on a Euclidean plane ?
1. 2dsph
2. 2d
3. geoHaystack
4. all of the mentioned
View Answer   Discuss with Members

Question 56 : The coordinate reference system for GeoJSON uses the _____ datum.
1. WGS88
2. WGS84
3. JGS88
4. None of the mentioned
View Answer   Discuss with Members

Question 57 : ______ indexes can be constructed over arrays that hold both scalar values (e.g. strings, numbers) and nested documents.
1. Hashed
2. Unique
3. Multikey
4. Compound
View Answer   Discuss with Members

Question 58 : To calculate geometry over an Earth-like sphere, store your location data on a spherical surface and use _____ index.
1. 2dsphere
2. 2d
3. geoHaystack
4. all of the mentioned
View Answer   Discuss with Members

Question 59 : Which of the following indexes cannot be multikey ?
1. Hashed
2. Unique
3. Multikey
4. compound
View Answer   Discuss with Members

Question 60 : For a _____ multikey index, each indexed document can have at most one indexed field whose value is an array.
1. Hashed
2. Unique
3. Multikey
4. compound
View Answer   Discuss with Members