Olete.in – MCQs, Mock Tests & Government Job Prep | MongoDB MongoDB Mcq Question Set 1

Which of the following language is MongoDB written in?

1. Javascript
2. C
3. C++
4. All of the mentioned

✅ Correct Answer: 4

Point out the correct statement.

1. MongoDB is classified as a NoSQL database
2. MongoDB favours XML format more than JSON
3. MongoDB is column oriented database store
4. All of the Mentioned

✅ Correct Answer: 1

Which of the following format is supported by MongoDB?

1. SQL
2. XML
3. BSON
4. All of the Mentioned

✅ Correct Answer: 3

MongoDB Queries can return specific fields of documents which also include user-defined __________ functions.

1. Javascript
2. C
3. C++
4. All of the mentioned

✅ Correct Answer: 1

Point out the wrong statement.

1. Secondary indices are not available in MongoDB
2. MongoDB supports search by field, range queries, regular expression searches
3. MongoDB can store the business subject in the minimal number of documents
4. All of the Mentioned

✅ Correct Answer: 1

Initial release of MongoDB was in the year?

1. 2000
2. 2005
3. 2009
4. 2011

✅ Correct Answer: 3

MongoDB has been adopted as ________ software by a number of major websites and services.

1. frontend
2. backend
3. proprietary
4. All of the Mentioned

✅ Correct Answer: 2

MongoDB is a _________ database that provides high performance, high availability, and easy scalability.

1. graph
2. key value
3. document
4. All of the Mentioned

✅ Correct Answer: 3

Dynamic schema in MongoDB makes ____________ easier for applications.

1. inheritance
2. polymorphism
3. encapsulation
4. None of the mentioned

✅ Correct Answer: 2

With ________ MongoDB supports a complete backup solution and full deployment monitoring.

1. MMS
2. AMS
3. CMS
4. DMS

✅ Correct Answer: 1

Point out the correct statement.

1. Documents can contain many different key-value pairs, or key-array pairs, or even nested documents
2. MongoDB has official drivers for a variety of popular programming languages and development environments
3. When compared to relational databases, NoSQL databases are more scalable and provide superior performance
4. All of the Mentioned

✅ Correct Answer: 4

Which of the following is a wide-column store?

1. Cassandra
2. Riak
3. MongoDB
4. Redis

✅ Correct Answer: 1

Point out the wrong statement.

1. Non Relational databases require that schemas be defined before you can add data
2. NoSQL databases are built to allow the insertion of data without a predefined schema
3. NewSQL databases are built to allow the insertion of data without a predefined schema
4. All of the Mentioned

✅ Correct Answer: 1

“Sharding” a database across many server instances can be achieved with _______

1. LAN
2. SAN
3. MAN
4. All of the Mentioned

✅ Correct Answer: 2

Most NoSQL databases support automatic __________ meaning that you get high availability and disaster recovery.

1. processing
2. scalability
3. replication
4. All of the mentioned

✅ Correct Answer: 3

_____ stores are used to store information about networks, such as social connections.

1. Key-value
2. Wide-column
3. Document
4. Graph

✅ Correct Answer: 4

NoSQL databases is used mainly for handling large volumes of ______ data.

1. unstructured
2. structured
3. semi-structured
4. All of the mentioned

✅ Correct Answer: 1

MongoDB provides high ____________ with replica sets.

1. performance
2. availability
3. scalability
4. none of the mentioned

✅ Correct Answer: 2

Point out the correct statement.

1. MongoDB cannot be used as a file system
2. MongoDB can run over single servers only
3. Embedded documents and arrays reduce need for joins
4. None of the mentioned

✅ Correct Answer: 3

_______ replicas maintain a copy of the data on the primary using built-in replication.

1. Primary
2. Secondary
3. Backup
4. All of the Mentioned

✅ Correct Answer: 2

MongoDB scales horizontally using _________ for load balancing purpose.

1. Replication
2. Partitioning
3. Sharding
4. None of the mentioned

✅ Correct Answer: 3

Point out the wrong statement.

1. Each replica set member will act in the role of primary replica only
2. The primary replica performs all writes and reads by default
3. Secondaries can also perform read operations, but the data is eventually consistent by default
4. None of the mentioned

✅ Correct Answer: 1

MongoDB can be used as a ____________ taking advantage of load balancing and data replication features over multiple machines for storing files.

1. AMS
2. CMS
3. File system
4. None of the mentioned

✅ Correct Answer: 1

_____ can be used for batch processing of data and aggregation operations.

1. Hive
2. MapReduce
3. Oozie
4. None of the mentioned

✅ Correct Answer: 2

MongoDB supports fixed-size collections called ____________ collections.

1. primary
2. secondary
3. capped
4. All of the Mentioned

✅ Correct Answer: 3

MongoDB uses a ____________ lock that allows concurrent read access to a database but exclusive write access to a single write operation.

1. readers
2. readers-writer
3. writer
4. none of the mentioned

✅ Correct Answer: 2

Which of the following sorting is not supported by MongoDB?

1. collation
2. collection
3. heap
4. None of the mentioned

✅ Correct Answer: 1

What is the interactive shell for MongoDB called?

1. mongo
2. mongodb
3. dbmong
4. none of the mentioned

✅ Correct Answer: 1

Point out the correct statement.

1. Humon.io is a Web based GUI for MongoDB
2. Mongo3 is a java-based GUI
3. NoSQL Manager for MongoDB is an MS Windows GUI application for MongoDB management with Shell
4. All of the Mentioned

✅ Correct Answer: 3

Administrative information in MongoDB can also be accessed through _____

1. dashboard
2. web interface
3. psql shell
4. All of the Mentioned

✅ Correct Answer: 2

Which of the following is web-based client software for MongoDB?

1. BI Studio
2. Database Master
3. Fang of Mongo
4. Mongo3

✅ Correct Answer: 2

Point out the wrong statement.

1. MongoHub is a native OS-X-application for MongoDB management
2. Cassandra is most popular for its document stores management system
3. MongoDB is the fourth most popular type of database management system
4. All of the mentioned

✅ Correct Answer: 2

______ provides statistics on the per-collection level.

1. mongosniff
2. mongotop
3. mongooplog
4. mongofiles

✅ Correct Answer: 2

_____ is a command-line tool that displays a summary list of status statistics for a currently running MongoDB instance.

1. mongostat
2. mongotop
3. mongooplog
4. mongofiles

✅ Correct Answer: 1

mongostat tool is similar to the UNIX/Linux _________ utility.

1. stats
2. vim
3. vmstat
4. All of the mentioned

✅ Correct Answer: 3

Which of the following tool is similar to the UNIX/Linux top utility?

1. mongosniff
2. mongotop
3. mongooplog
4. mongofiles

✅ Correct Answer: 2

mongosniff requires the ___________ network library and is only available for Unix-like systems.

1. Wirecap
2. Libpcap
3. Wcap
4. None of the mentioned

✅ Correct Answer: 2

Which of the following provides low-level tracing/sniffing view into database activity?

1. mongosniff
2. mongotop
3. mongooplog
4. mongofiles

✅ Correct Answer: 2

Point out the correct statement.

1. MongoDB supports a “standalone” or single-instance operation
2. Sharded clusters provide high performance replication with automated failover
3. Replica sets make it possible to partition large data sets over many machines transparently to the users
4. All of the mentioned

✅ Correct Answer: 1

Which of the following is simplest tool for installation of MongoDB?

1. mongorestore
2. mongooplog
3. mongodump
4. All of the mentioned

✅ Correct Answer: 2

Which of the following network analyzer fully supports MongoDB?

1. Wireshark
2. Riakshark
3. Snort
4. Suricata

✅ Correct Answer: 1

Point out the wrong statement.

1. BSON is difficult to code and manage
2. MongoDB stores data in JSON documents
3. JSON provides a rich data model that seamlessly maps to native programming language types
4. All of the mentioned

✅ Correct Answer: 1

______ manipulate files stored in your MongoDB instance in GridFS.

1. mongorestore
2. mongofiles
3. mongosupport
4. None of the mentioned

✅ Correct Answer: 2

_______ is a command-line utility to import content from a JSON, CSV, or TSV.

1. mongorestore
2. mongofiles
3. mongosupport
4. mongoimport

✅ Correct Answer: 4

Which of the following is used for creating a binary export of the contents of a Mongo database?

1. mongodump
2. mongofiles
3. mongosupport
4. mongoimport

✅ Correct Answer: 1

Which of the following tool can be used to reload a database dump?

1. mongorestore
2. mongofiles
3. mongosupport
4. none of the mentioned

✅ Correct Answer: 1

______ is a native OS-X-application for MongoDB management.

1. Opricot
2. MongoHub
3. UMongo
4. 3T MongoChe

✅ Correct Answer: 2

Which of the following is a metapackage for enterprise?

1. mongodb-enterprise
2. mongodb-enterprise-server
3. mongodb-enterprise-mongos
4. mongodb-enterprise-mongos

✅ Correct Answer: 1

Point out the correct statement.

1. MongoDB provides packages of the officially supported MongoDB Enterprise builds in it’s own repository
2. mongodb-enterprise-tool package contains the mongo shell
3. mongodb-enterprise-shell package contains the mongo tools
4. All of the Mentioned

✅ Correct Answer: 1

_____ package contains the mongod daemon and associated configuration and init scripts.

1. mongodb-enterprise
2. mongodb-enterprise-server
3. mongodb-enterprise-mongos
4. none of the mentioned

✅ Correct Answer: 2