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
171. What is MongoDB Atlas?
A. An open-source database
B. A cloud-based database service
C. A query language for MongoDB
D. A standalone MongoDB server
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Answer: A cloud-based database service
172. What is the primary benefit of using MongoDB Atlas?
A. Local data storage
B. Data modeling
C. Managed database operations
D. Client libraries and drivers
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Answer: Managed database operations
173. Which major cloud providers are supported by MongoDB Atlas?
A. AWS and Azure
B. AWS, Azure, and Google Cloud
C. AWS, Azure, and IBM Cloud
D. AWS, Azure, Google Cloud, and more
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Answer: AWS, Azure, and Google Cloud
174. What is the key feature of MongoDB Atlas that simplifies database deployment and management?
A. Auto-sharding
B. NoSQL database
C. Serverless computing
D. Automated operations
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Answer: Automated operations
175. How does MongoDB Atlas handle automatic backups of your data?
A. It doesn't support automatic backups
B. Daily and continuous backups
C. Weekly backups only
D. Monthly snapshots
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Answer: Daily and continuous backups
176. What is the purpose of "Global Clusters" in MongoDB Atlas?
A. Local development
B. Data modeling
C. Data storage optimization
D. High availability and low-latency access
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Answer: High availability and low-latency access
177. How can you access the MongoDB Atlas service?
A. By using the "Atlas Shell"
B. Only through a web browser
C. Via a REST API
D. By using the MongoDB shell
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Answer: Only through a web browser
178. What is the role of the "MongoDB Stitch" feature in MongoDB Atlas?
A. Data modeling
B. Application development
C. Serverless computing
D. Data encryption
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Answer: Application development
179. What is the purpose of the "Live Migration" feature in MongoDB Atlas?
A. Data modeling
B. Data storage optimization
C. Migrating data from on-premises to the cloud
D. Real-time data analysis
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Answer: Migrating data from on-premises to the cloud
180. What is the MongoDB Atlas "Shared Tier" cluster primarily designed for?
A. High availability
B. Development and testing
C. Large-scale production
D. Data encryption
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Answer: Development and testing
