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The C100DEV certification exam is one of the top-rated career advancement certifications in the market. This C100DEV exam dumps have been inspiring beginners and experienced professionals since its beginning. There are several personal and professional benefits that you can gain after passing the MongoDB Certified Developer Associate Exam (C100DEV) exam.

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What is the MongoDB C100DEV Exam

MongoDB is a high-performance, open-source, document database that provides the scalability and flexibility of NoSQL in a standard SQL interface. MongoDB supports data structures, schemas, and queries that are common in modern applications. The most famous and popular IT certifications include MongoDB C100DEV Dumps.

The MongoDB Certified Developer Associate certification is intended for developers who want to learn MongoDB and apply it to their work. The exam covers the following areas:

Data Modeling with Documents and Objects
Database Administration
Aggregation Framework

To prepare for the C100DEV exam, candidates should have a solid understanding of MongoDB and its features. They should be comfortable working with query languages, like MongoDB's document-based Query Language (QL), and familiar with working with data modeling tools, like MongoDB's Compass tool. Candidates may also need to have experience with scripting languages like JavaScript, as well as knowledge of JSON data formats, networked architectures, and database indexing strategies.

MongoDB Certified Developer Associate Exam Sample Questions (Q96-Q101):

NEW QUESTION # 96
Suppose you have the following index on a routes collection: db.routes.createIndex( { airplane: 1, src_airport: 1, dst_airport: 1, stops: 1 } ) Which of the following queries will be able to use this index for sorting. Check all that apply.

A. db.routes.find( { airplane: 'CNC' } ).sort( { dst_airport: 1 } )
B. db.routes.find( { airplane: 'CNC', src_airport: { $gt: 'C' } } ).sort( { src_airport: 1 } )
C. db.routes.find( { airplane: 'CNC' } ).sort( { src_airport: 1, dst_airport: 1 } )

Answer: B,C

Explanation:
https://docs.mongodb.com/manual/indexes/

NEW QUESTION # 97
Select all true statements about one-to-zillions relationships (a special case of the one-to-many relationship in MongoDB).

A. We need to be extremely careful when writing queries that retrieve data on the zillions side.
B. Representing this relationships with document embedding is not recommended.
C. This relationship is created to emphasize the fact that huge cardinalities can impact design choices.

Answer: A,B,C

Explanation:
https://docs.mongodb.com/manual/tutorial/model-embedded-one-to-many-relationships-between-documents/

NEW QUESTION # 98
In which of the following CRUD operations can you specify a write concern? Select all that apply.

A. db.collection.insertOne()
B. db.collection.update()
C. db.collection.insert()
D. db.collection.updateMany()
E. db.collection.find()

Answer: A,B,C,D

Explanation:
https://docs.mongodb.com/manual/reference/write-concern/

NEW QUESTION # 99
Select all true statements regarding to replication in MongoDB.

A. The primary node receives all new write operations, and the secondary nodes stay up to date with the primary.
B. Replication is the primary mechanism for providing high availability in MongoDB.
C. In the event of failover, the nodes vote to select the new primary node.

Answer: A,B,C

Explanation:
https://docs.mongodb.com/manual/replication/

NEW QUESTION # 100
It's very important to picking a good shard key. If we don't choose a good shard key, then we won't be able to see the benefits of horizontal scaling.

A. False
B. True

Answer: B

Explanation:
https://docs.mongodb.com/manual/core/sharding-shard-key/

NEW QUESTION # 101
......

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