Time Left : 00 : 30 : 00
Point out the correct statement
Correct Answer : A
_________ is used to view statistics about the query plan for a given query
Correct Answer : B
Which of the following language is MongoDB written in?
Correct Answer : D
The mongo shell loads and parses the ___________ file on startup.
Correct Answer : C
A query may include a ___________ that specifies the fields from the matching documents to return
Correct Answer : B
Command to check existence of collection is _____________
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
_____________ is used to control mongod commits in the journal
Correct Answer : C
As per the aggregation pipeline optimization concepts, if you have a $sort followed by a $match:
Correct Answer : A
What is the minimum sensible number of voting nodes to a replica set?
Correct Answer : B
Production sharded clusters have exactly ______ config servers
Correct Answer : C
____________ does not dump the content of the local database
Correct Answer : B
____________ works similar to HAVING clause in SQL
Correct Answer : C
Which of the following method is used to query documents in collections?
Correct Answer : A
Which of the following mode defaults to false?
Correct Answer : A
___________ is the primary daemon process for the MongoDB system
Correct Answer : B
After starting the mongo shell, your session will use the ________ database by default
Correct Answer : C
MongoDB has been adopted as ________ software by a number of major websites and services
Correct Answer : B
To describe the message structure, a ________ like struct is used
Correct Answer : C
MongoDB applies the _____ phase to each input document in mapreduce.
Correct Answer : A
The ________ message is used to update a document in a collection
Correct Answer : B
_______ groups documents by some specified expression and outputs to the next stage a document for each distinct grouping
Correct Answer : B
Which of the following operation can be optionally used for map reduce?
Correct Answer : A
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
_id is a ________ bytes hexadecimal number which assures the uniqueness of every document
Correct Answer : C
Which of the following format is supported by MongoDB?
Correct Answer : C
Point out the wrong statement
Correct Answer : D
Which of the following method returns one document?
Correct Answer : A
__________ is a diagnostic tool for inspecting BSON files
Correct Answer : B