Time Left : 00 : 30 : 00

Initial release of MongoDB was in the year?

Correct Answer : C

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

Correct Answer : A

Object_Id is similar to _________ key in Relational Databases

Correct Answer : A

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

Correct Answer : A

____________ works similar to HAVING clause in SQL

Correct Answer : C

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

Correct Answer : A

Point out the wrong statement

Correct Answer : C

Which of the following method returns one document?

Correct Answer : A

Which of the following functionality is used for aggregation framework?

Correct Answer : B

Which of the following mode defaults to false?

Correct Answer : A

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

Correct Answer : A

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

Correct Answer : A

__________ is a diagnostic tool for inspecting BSON files

Correct Answer : B

Which of the following provides similar functionality to join?

Correct Answer : C

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

Correct Answer : B

____________ does not dump the content of the local database

Correct Answer : B

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

Correct Answer : A

___________ is the primary daemon process for the MongoDB system

Correct Answer : B

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

Correct Answer : B

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

Correct Answer : C

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

Correct Answer : B

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

Correct Answer : B

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

Correct Answer : C

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

Correct Answer : B

_________ is used to view statistics about the query plan for a given query

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

Point out the correct statement

Correct Answer : A

Point out the wrong statement

Correct Answer : D

Which of the following language is MongoDB written in?

Correct Answer : D