Free MongoDB Associate-Data-Modeler Exam Questions
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MongoDB Associate-Data-Modeler Exam Questions
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Provided By: MongoDB
- Exam: Associate Data Modeler
- Certification: MongoDB Certified Developer Associate
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Total Questions: 300
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Updated On: Nov 20, 2024
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Rated: 4.9 |
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Online Users: 600
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Question 1
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When optimizing a MongoDB collection's schema for a high-traffic application, what factor is crucial for determining the most effective document structure?
Answer: A
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When optimizing a MongoDB collection's schema for a high-traffic application, what factor is crucial for determining the most effective document structure?
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Question 2
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In designing a catalog application, a developer is dealing with Product entities that have multiple Review entities. The application frequently displays products along with the top three reviews based on ratings. How should the developer model this data to optimize for performance?
Answer: B
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In designing a catalog application, a developer is dealing with Product entities that have multiple Review entities. The application frequently displays products along with the top three reviews based on ratings. How should the developer model this data to optimize for performance?
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Question 3
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In a MongoDB database for an online bookstore, you're designing a data model to handle books, authors, and reviews efficiently, considering a complex scenario involving relationships and potential data skew due to varying numbers of reviews per book. Given the requirements:
Each book can have multiple authors.
Each author can write multiple books.
Books can have a large number of reviews, but most have a few or none, creating potential data skew.
The application frequently queries books with their authors and a sample of reviews to avoid performance issues due to data skew.
How should you model the relationships among books, authors, and reviews to optimize for query performance and data management?
Answer: A
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In a MongoDB database for an online bookstore, you're designing a data model to handle books, authors, and reviews efficiently, considering a complex scenario involving relationships and potential data skew due to varying numbers of reviews per book. Given the requirements:
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Question 4
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In the context of a MongoDB database application for an online news platform, the data modeler is tasked with optimizing the storage and retrieval of news articles that are frequently accessed by readers. The articles undergo occasional updates by the editorial team and include metadata such as publication date, author, and a set of tags. The application has a high read-to-write ratio, with the need for efficient retrieval of articles based on tags and publication dates. What data modeling strategy should be adopted to maximize query performance for retrieving articles based on metadata?
Answer: C
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In the context of a MongoDB database application for an online news platform, the data modeler is tasked with optimizing the storage and retrieval of news articles that are frequently accessed by readers. The articles undergo occasional updates by the editorial team and include metadata such as publication date, author, and a set of tags. The application has a high read-to-write ratio, with the need for efficient retrieval of articles based on tags and publication dates. What data modeling strategy should be adopted to maximize query performance for retrieving articles based on metadata?
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Question 5
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In MongoDB, how should the analysis of query and analytics patterns influence the decision on indexing strategies, particularly with respect to the operational context of queries being part of a transaction?
Answer: B
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In MongoDB, how should the analysis of query and analytics patterns influence the decision on indexing strategies, particularly with respect to the operational context of queries being part of a transaction?