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In MongoDB _________ operations modify the data of a single collection
Correct Answer : A
____________ does not dump the content of the local database
Correct Answer : B
As per the aggregation pipeline optimization concepts, if you have a $sort followed by a $match:
Correct Answer : A
Production sharded clusters have exactly ______ config servers
Correct Answer : C
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
Point out the correct statement
Correct Answer : A
___________ is the primary daemon process for the MongoDB system
Correct Answer : B
Which of the following provides similar functionality to join?
Correct Answer : C
Which index is used to index the content stored in arrays?
Correct Answer : A
What is the minimum sensible number of voting nodes to a replica set?
Correct Answer : B
Which of the following method returns one document?
Correct Answer : A
The mongo shell loads and parses the ___________ file on startup.
Correct Answer : C
__________ is a diagnostic tool for inspecting BSON files
Correct Answer : B
A query may include a ___________ that specifies the fields from the matching documents to return
Correct Answer : B
MongoDB is a _________ database that provides high performance, high availability, and easy scalability
Correct Answer : C
_____________ is used to control mongod commits in the journal
Correct Answer : C
__________ returns the JavaScript representation in the form of a string literal
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 functionality is used for aggregation framework?
Correct Answer : B
_id is a ________ bytes hexadecimal number which assures the uniqueness of every document
Correct Answer : C
The ________ message is used to update a document in a collection
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
In aggregation pipeline, the _______ pipeline stage provides access to MongoDB queries
Correct Answer : B
A query _______ consists of a combination of query, sort, and projection specifications
Correct Answer : B
Which of the following language is MongoDB written in?
Correct Answer : D
Point out the correct statement
Correct Answer : A
Point out the wrong statement
Correct Answer : C
Which of the following method is used to query documents in collections?
Correct Answer : A
To describe the message structure, a ________ like struct is used
Correct Answer : C
Which of the following operation is used to switch to new database mydb?
Correct Answer : C