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Exam C100DEV Topic 1 Question 121 Discussion

Actual exam question for MongoDB's C100DEV exam
Question #: 121
Topic #: 1
Suppose we have a products collection with the following fields and values: _id (automatically created ObjectId) product_code (unique values for each product) color (as String values) size (this field is missing for some products) origin_country Which of these fields would be the best shard key?

Suggested Answer: B Vote an answer

With color, size, and origin_country we run the risk of low cardinality. The _id wouldn't make a good shard key because it isn't something meaningful we could query the database. https://docs.mongodb.com/manual/core/sharding-shard-key/

by Benjamin at Sep 26, 2025, 03:25 AM

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Here are all the actual test exam dumps for IT exams. Most people prepare for the actual exams with our test dumps to pass their exams. So it's critical to choose and actual test pdf to succeed.

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