From the following _____ is a NOSQL Database Type

• Document databases
• sgl server
• oracle

In MongoDB _____ sorting is not supported

• heap
• collection
• collation

From the following ______ is the simplest NOSQL databases

• Document database
• Key-value pair
• Wide-column

________ is the method used to limit the records in MongoDB.

• pretty()
• Limit()
• find()
• sort()

_____ is the command in mongodb that is equivalent of SQL's truncate.

• db.col.remove()
• db.col.truncate()
• db.col.delete()
• All the options

Which of the following is not a stage in Pipeline aggregation?

• $order
• $group
• $match
• $Project

Find the correct syntax to calculate aggregate values for the data in a collection.

• All the options
• db.collection.pipeline
• db.collection.agg()
• db.collection.aggregate()

Column in SQL terminology is in MongoDB.

• document
• collection
• field
• column

Which is the command-line tool that can view database activity by monitoring network traffic going to and from MongoDB?

• mongotop
• mongosniff
• mongooplog
• mongofiles

MongoDB is written in which language?

• C
• c++
• JAVA
• .net

mongoimport is a tool in mongodb, which is used to ______.

• imports all the data from one collection to another
• imports all the data from one database to another database
• import content from an Extended JSON, CSV, or TSV export created by mongoexport
• import all the MongoDB data from one format to another format

Which of the following can be an interactive shell for mongoDB?

• mongo
• bsondump
• mongod
• All the options

Which is the format of document supported by Mongo?

• BSON
• XML
• SQL
• All the options

Which of the following data type is not used in MongoDB?

• String
• Value
• Date
• ObjectID

What does the following $slice query return using the following command? db.book.find( {}, { comments: { $slice: [ -100, 5 ] } } )

• beginning with the last, returns 100 comments
• beginning with the last 100 items, returns 5 comments
• beginning with the first 100 items, returns 5 comments
• beginning with the first, returns 100 comments

Suppose we have Store collection that contains more than 1000 documents. What does the following command do? db.store.find().skip(15).limit(15)

• Return first fifteeen documents
• return null documents
• skip the first fifteen documents and return next fifteen
• skip the first fifteen documents and return next sixteen document fifteen times

Which collection maintains insertion order and behaves like a circular queue once specified size has reached?

• secondary Index
• primary Index
• capped Collection
• All the options

Which is the easy way to find the storage engine currently used in MongoDB?

• db.serverStatus()
• db.serverStatus(.storageEngine
• db.server().storageengine
• db.storageengine()

Which is the command-line tool used to provide a method to keep track of the amount of time a MongoDB instance spends reading and writing data?

• mongooplog
• mongosniff
• mongotop
• mongofiles

Cursors in MongoDB default returns _____ number of documents to Mongoshell.

• 16
• 20
• 256
• All the options

Documents in MongoDB are stored in _____.

• Rows
• String
• Collections
• Table

Which tool can write data from a binary database dump created by mongodump to a MongoDB instance?

• mongosupport
• All the options
• mongorestore
• mongofiles

Which network library does mongosniff requires?

• Wirecap
• Wcap
• None of the options
• Libpcap

_____ storage engine supports document level concurrency model.

• wiredTiger
• MMAPV1
• in-memory
• All the options

Which is the data type used by capped Collection?

• map
• tree
• stack
• circular Queue