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