Knowledge check

1.

How is it possible that Cosmos DB supports several database systems?

Cosmos DB has multiple database engines, one for each system.

Cosmos DB is identical for each system, but has multiple APIs.

Cosmos DB dynamically rewrites queries for each system.

2.

What is the most suitable API to create graph entities in Cosmos DB?

Cassandra

Azure Table

Gremlin

3.

Which Azure Cosmos DB deployment guarantees 99.999% availability?

Cosmos DB systems with a local replica provide 99.999% availability.

Cosmos DB systems with multiple regions as writeable endpoints provide 99.999% availability.

Cosmos DB systems that are read-only provide 99.999% availability.

4.

Latency is important to your organization. What is the guarantee for Cosmos DB read and write latency globally?

< 0.1-ms

< 1-ms

< 10-ms

5.

What is the size limit of a logical partition?

20-GB

100-GB

Unlimited

6.

What are hot partitions?

Partitions that have exceeded their storage limit.

Partitions set to run in high-performance mode.

Partitions that are hit by a disproportionately high number of queries.

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