MongoDB is a popular NoSQL database system renowned for its flexibility and scalability. It uses a document-oriented model, storing data in JSON-like BSON format, allowing for dynamic schemas and easy data manipulation. MongoDB's distributed architecture supports horizontal scaling, ensuring high availability and performance. It's widely utilized for applications requiring real-time data access and complex data structures. Its features include automatic sharding, replication, and support for geospatial data, making it a versatile choice for a broad range of industries, from e-commerce and social media to IoT and big data analytics.
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Practice Test
81. What is the primary purpose of authentication in MongoDB?
A. Load balancing
B. Data storage
C. Data encryption
D. Access control
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Answer: Access control
82. Which authentication method is commonly used to secure access to MongoDB?
A. Username and password
B. Encryption at rest
C. Public key authentication
D. Social login
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Answer: Username and password
83. What is the purpose of authorization in MongoDB?
A. Encrypting data
B. Managing data replication
C. Managing data modeling
D. Controlling access
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Answer: Controlling access
84. Which role in MongoDB grants full access to all administrative functions and data?
A. ReadWrite
B. dbOwner
C. userAdmin
D. clusterAdmin
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Answer: dbOwner
85. What is a common practice for securing data at rest in MongoDB?
A. Use of username and password
B. Encryption of data
C. Frequent data backups
D. Data replication
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Answer: Encryption of data
86. What does the "bindIp" configuration option control in MongoDB?
A. Server version
B. Access control
C. Network interfaces
D. Data encryption
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Answer: Network interfaces
87. What is the primary purpose of auditing in MongoDB?
A. Data retrieval
B. Data replication
C. Access control
D. Record and review user actions
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Answer: Record and review user actions
88. Which method is used to enable auditing in MongoDB?
A. Audit()
B. EnableAudit()
C. db.enableAuditing()
D. db.enableProfiling()
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Answer: db.enableAuditing()
89. In MongoDB, what does the "TSL/SSL" protocol provide?
A. Data modeling
B. Data encryption
C. Access control
D. Data replication
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Answer: Data encryption
90. Which authentication mechanism in MongoDB is based on the X.509 standard?
A. SCRAM-SHA-1
B. Kerberos
C. LDAP
D. X.509
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Answer: X.509