Free MongoDB C100DEV Exam Questions
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MongoDB C100DEV Exam Questions
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Provided By: MongoDB
- Exam: MongoDB Certified Developer Associate
- Certification: MongoDB Certified Developer Associate
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Total Questions: 411
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Updated On: Feb 18, 2025
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Rated: 4.9 |
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Online Users: 822
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Question 1
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In your database there is a collection named sales with the following document structure:{_id: ObjectId("5bd761dcae323e45a93ccfe8"),saleDate: ISODate("2015-03-23T21:06:49.506Z"),items: [{name: 'printer paper',tags: [ 'office', 'stationary' ],price: Decimal128("40.01"),quantity: 2},{name: 'notepad',tags: [ 'office', 'writing', 'school' ],price: Decimal128("35.29"),quantity: 2},{name: 'pens',tags: [ 'writing', 'school', 'stationary' ],price: Decimal128("56.12"),quantity: 5}],storeLocation: 'Denver',customer: { gender: 'M', age: 42, email: '[email protected]', satisfaction: 4 },purchaseMethod: 'Online'}{_id: ObjectId("5bd761dcae323e45a93ccfe9"),saleDate: ISODate("2015-08-25T10:01:02.918Z"),items: [{name: 'binder',tags: [ 'school', 'general', 'organization' ],price: Decimal128("28.31"),quantity: 9},{name: 'backpack',tags: [ 'school', 'travel', 'kids' ],price: Decimal128("83.28"),quantity: 2}],storeLocation: 'Seattle',customer: { gender: 'M', age: 50, email: '[email protected]', satisfaction: 5 },couponUsed: false,purchaseMethod: 'Phone'}How can you extract all documents from this collection where the first tag in the tags field (Array) is 'office' in at least one item?
Answer: B
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Question 2
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Which of the following constraints might impact your data model for MongoDB? (Select three)
Answer: B,C,E
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Which of the following constraints might impact your data model for MongoDB? (Select three)
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Question 3
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In the context of MongoDB development, you are creating a new service that is expected to handle high load. You've decided to leverage the MongoDB drivers' connection pooling capability. What best describes connection pooling and its advantages?
Answer: C
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In the context of MongoDB development, you are creating a new service that is expected to handle high load. You've decided to leverage the MongoDB drivers' connection pooling capability. What best describes connection pooling and its advantages?
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Question 4
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Which of the following command skips the first 10 documents in the movies collection and returns all remaining documents?
Answer: D
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Which of the following command skips the first 10 documents in the movies collection and returns all remaining documents?
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Question 5
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You are managing a MongoDB collection named orders, where each document represents an order. The documents contain the following fields:order_id (String): The unique identifier for the order.customer_name (String): The name of the customer who placed the order.total_amount (Number): The total amount of the order.status (String): The status of the order, which can be "pending," "shipped," or "delivered."items (Array of Strings): A list of items included in the order.You want to find all orders that meet the following criteria:The order has a total amount greater than $1000.The order status is either "pending" or "shipped."The order contains either "laptop" or "smartphone" in the list of items.Which of the following queries would return the correct documents?
Answer: D
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You are managing a MongoDB collection named orders, where each document represents an order. The documents contain the following fields:order_id (String): The unique identifier for the order.customer_name (String): The name of the customer who placed the order.total_amount (Number): The total amount of the order.status (String): The status of the order, which can be "pending," "shipped," or "delivered."items (Array of Strings): A list of items included in the order.You want to find all orders that meet the following criteria:The order has a total amount greater than $1000.The order status is either "pending" or "shipped."The order contains either "laptop" or "smartphone" in the list of items.Which of the following queries would return the correct documents?