DP-420 · Question #8
DP-420 Question #8: Real Exam Question with Answer & Explanation
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Question
You are designing an Azure Cosmos DB for NoSQL solution to store data from IoT devices. Writes from the devices will be occur every second. The following is a sample of the data. You need to select a partition key that meets the following requirements for writes: - Minimizes the partition skew - Avoids capacity limits - Avoids hot partitions What should you do?
Options
- AUse timestamp as the partition key.
- BCreate a new synthetic key that contains deviceId and sensor1Value.
- CCreate a new synthetic key that contains deviceId and deviceManufacturer.
- DCreate a new synthetic key that contains deviceId and a random number.
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