Q. Index __________ does not eliminate the need for creating compound indexes.

View solution

Q. Before version _______ capped collections did not have an _id field.

View solution

Q. Point out the wrong statement.

View solution

Q. For a _____ multikey index, each indexed document can have at most one indexed field whose value is an array.

View solution

Q. Which of the following indexes cannot be multikey?

View solution

Q. Point out the wrong statement.

View solution

Q. To calculate geometry over an Earth-like sphere, store your location data on a spherical surface and use _____ index.

View solution

Q. ______ indexes can be constructed over arrays that hold both scalar values (e.g. strings, numbers) and nested documents.

View solution

Q. The coordinate reference system for GeoJSON uses the _____ datum.

View solution

Q. Which of the following is used to calculate distances on a Euclidean plane?

View solution

Q. Queries on ________ objects always calculate on a sphere.

View solution

Q. Which of the following GeoJSON object is not supported in MongoDB?

View solution

Q. Point out the wrong statement.

View solution

Q. MongoDB supports spherical surface calculations on legacy coordinate pairs using a _______ index.

View solution

Q. Inclusion queries use the _________ operator in MongoDB.

View solution

Q. Point out the correct statement.

View solution

Q. The $geoWithin operator uses the _______ operator to specify the GeoJSON object.

View solution

Q. If the specified polygon is _______ than a single hemisphere, the behavior of $geoWithin with the MongoDB CRS is the same as with the default CRS.

View solution

Q. To query with a single-ringed GeoJSON polygon whose area is greater than a single hemisphere, the $geometry expression must specify the custom MongoDB ________

View solution

Q. $geoWithin replaces _______ in MongoDB 2.4.

View solution