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What is the interactive shell for MongoDB called?

Correct Answer : A

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

Correct Answer : A

Command display the list of databases.

Correct Answer : B

How many byte counter in BSON is starting with a random value ?

Correct Answer : B

___sorting is not supported by MongoDB.

Correct Answer : B

In MongoDB _________ operations modify the data of a single collection

Correct Answer : A

Object_Id is similar to _________ key in Relational Databases

Correct Answer : A

A query may include a ___________ that specifies the fields from the matching documents to return

Correct Answer : B

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

Correct Answer : B

Does MongoDB support query joins between collections?

Correct Answer : B

___________ is the primary daemon process for the MongoDB system

Correct Answer : B

Which of the following will implicitly create the collection testData?

Correct Answer : B

MongoDB is a _________ database that provides high performance, high availability, and easy scalability

Correct Answer : C

Point out the wrong statement

Correct Answer : C

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

Correct Answer : A

The ________ message is used to update a document in a collection

Correct Answer : B

What is the maximum size of a MongoDB document?

Correct Answer : B

Which of the following is not a NoSQL database?

Correct Answer : A

Command to check existence of collection is _____________

Correct Answer : B

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

Which of the following operation is used to switch to new database mydb?

Correct Answer : C

An index cannot cover a query on a _______ collection when run against a mongos if the index does not contain the shard key.

Correct Answer : B

The mongo shell and the drivers provide several cursor methods that call on the cursor returned by the _______ method to modify its behavior

Correct Answer : B

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

Correct Answer : A

Which of the following provides similar functionality to join?

Correct Answer : C

Which of the following is not part of _id?

Correct Answer : D

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

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 is a NoSQL Database Type

Correct Answer : D

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

Correct Answer : A