Free MongoDB Associate-Data-Modeler Exam Questions
Absolute Free Associate-Data-Modeler Exam Practice for Comprehensive Preparation
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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: Feb 19, 2025
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Rated: 4.9 |
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Online Users: 600
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Question 1
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A team is developing a logistics application using MongoDB to track shipments in real-time. Each shipment record updates frequently with GPS coordinates, and the system requires immediate access to the latest location data for efficient routing and delivery updates. The application also needs to maintain a compact record of each shipment's path without unnecessary data duplication. Which MongoDB feature or design pattern should be used to model the shipment tracking system?
Answer: D
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A team is developing a logistics application using MongoDB to track shipments in real-time. Each shipment record updates frequently with GPS coordinates, and the system requires immediate access to the latest location data for efficient routing and delivery updates. The application also needs to maintain a compact record of each shipment's path without unnecessary data duplication. Which MongoDB feature or design pattern should be used to model the shipment tracking system?
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Question 2
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In MongoDB schema design, what is a critical implication to consider when adding another piece of data into an array field, especially in the context of document size limitations and performance?
Answer: B
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In MongoDB schema design, what is a critical implication to consider when adding another piece of data into an array field, especially in the context of document size limitations and performance?
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Question 3
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A data modeler is tasked with enhancing query efficiency for the salesRecords collection. Considering the queries:
db.salesRecords.find({"productId": 15}).sort({"saleDate": -1, "quantity": 1})
and
db.salesRecords.find({"saleDate": {"$gte": ISODate("2023-06-01")}}).sort({"productId": 1, "quantity": -1})
which indexing strategy would be most effective in improving response times for both queries?
Answer: C
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A data modeler is tasked with enhancing query efficiency for the salesRecords collection. Considering the queries:
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Question 4
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To improve the performance of queries on a logEntries collection, a MongoDB developer needs to find and analyze slow queries that have been executed. Which command should be used to identify and provide details on slow operations for analysis?
Answer: A
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To improve the performance of queries on a logEntries collection, a MongoDB developer needs to find and analyze slow queries that have been executed. Which command should be used to identify and provide details on slow operations for analysis?
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Question 5
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A database administrator is tasked with designing a MongoDB schema for a social media application that includes features for user profiles, posts, and friend connections. The application requires efficient access to a user's profile information, their posts, and their list of friends. Considering the need for high performance in both read and write operations, which schema design approach is most appropriate?
Answer: C
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A database administrator is tasked with designing a MongoDB schema for a social media application that includes features for user profiles, posts, and friend connections. The application requires efficient access to a user's profile information, their posts, and their list of friends. Considering the need for high performance in both read and write operations, which schema design approach is most appropriate?