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

Correct Answer : C

Here are _________ types of read requests that a coordinator can send to a replica

Correct Answer : A

In aggregation pipeline, the _______ pipeline stage provides access to MongoDB queries

Correct Answer : B

Initial release of MongoDB was in the year?

Correct Answer : C

What is the maximum size of a MongoDB document?

Correct Answer : B

Does MongoDB support query joins between collections?

Correct Answer : B

____________ does not dump the content of the local database

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

Which of the following mode defaults to false?

Correct Answer : A

Production sharded clusters have exactly ______ config servers

Correct Answer : C

Which field is always the first field in the document.?

Correct Answer : A

______ can be used to iterate the cursor of document results returned by db.collection.find()

Correct Answer : A

Point out the wrong statement

Correct Answer : A

Which programming language is used to write MongoDB queries?

Correct Answer : B

___sorting is not supported by MongoDB.

Correct Answer : B

Which of the following will implicitly create the collection testData?

Correct Answer : B

_____________ is used to control mongod commits in the journal

Correct Answer : C

Point out the wrong statement

Correct Answer : D

Point out the wrong statement :

Correct Answer : A

You have two text fields in your document and you’d like both to be quickly searchable. What should you do?

Correct Answer : A

Which index is used to index the content stored in arrays?

Correct Answer : A

Which of the following method returns one document?

Correct Answer : A

Which of the following format is supported by MongoDB?

Correct Answer : C

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

Correct Answer : A

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

Correct Answer : B

A collection in MongoDB is a group of ......................

Correct Answer : B

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

Correct Answer : B

Which of the following is a NoSQL Database Type

Correct Answer : D

Which of the following provides similar functionality to join?

Correct Answer : C

With a receipt acknowledged write concern, the _________confirms that it received the write operation and applied the change to the in-memory view of data

Correct Answer : A