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Point out the correct statement

Correct Answer : A

____________ works similar to HAVING clause in SQL

Correct Answer : C

____________ does not dump the content of the local database

Correct Answer : B

Which of the following will implicitly create the collection testData?

Correct Answer : B

What is the minimum sensible number of voting nodes to a replica set?

Correct Answer : B

__________ returns the JavaScript representation in the form of a string literal

Correct Answer : B

Which of the following preference determines how the client direct read operations to the set?

Correct Answer : A

_______ groups documents by some specified expression and outputs to the next stage a document for each distinct grouping

Correct Answer : B

A collection and a document in MongoDB is equivalent to which of the SQL concepts respectively?

Correct Answer : A

Which of the following method is used to query documents in collections?

Correct Answer : A

Which of the operator is similar to order by clause in RDBMS?

Correct Answer : A

Object_Id is similar to _________ key in Relational Databases

Correct Answer : A

Which of the following operation can be optionally used for map reduce?

Correct Answer : A

_id is a ________ bytes hexadecimal number which assures the uniqueness of every document

Correct Answer : C

As per the aggregation pipeline optimization concepts, if you have a $sort followed by a $match:

Correct Answer : A

MongoDB applies the _____ phase to each input document in mapreduce.

Correct Answer : A

___________ is used to determine whether a query is a covered query

Correct Answer : B

__________ is a diagnostic tool for inspecting BSON files

Correct Answer : B

A query _______ consists of a combination of query, sort, and projection specifications

Correct Answer : B

You can only use jsMode for result sets with fewer than 500,000 distinct key arguments to the mapper’s _______ function

Correct Answer : A

Initial release of MongoDB was in the year?

Correct Answer : C

After starting the mongo shell, your session will use the ________ database by default

Correct Answer : C

_____________ is used to control mongod commits in the journal

Correct Answer : C

To describe the message structure, a ________ like struct is used

Correct Answer : C

Point out the wrong statement

Correct Answer : C

Point out the wrong statement

Correct Answer : A

Which of the following flag can be set by mongo shell?

Correct Answer : B

In MongoDB _________ operations modify the data of a single collection

Correct Answer : A

Which of the following format is supported by MongoDB?

Correct Answer : C

Point out the correct statement

Correct Answer : A