AZ-204 Quiz

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Cosmos DB (1 / 62):

Which of the following statements about Time to Live (TTL) in Azure Cosmos DB are true? Select all that apply.

TTL can be set at the container level and can be overridden on a per-item basis.
TTL can be set only at item level.
When TTL has expired, if the container is overloaded with requests, data is immediately deleted.
Items with TTL set to "-1" don't expire by default.
If TTL is not set on a container, then the TTL on an item in this container has no effect.
If a container's TTL is null or missing, items without a specific TTL will not expire, while others adhere to their own TTL.
TTL is used for automatically deleting items after a certain period, based on their creation time.

Note: This question has more than one correct answer

Answer:

Even after TTL has expired, if the container is overloaded with requests and there aren't enough Request Units available, the data deletion is delayed until there are enough resources.
Items are removed after specific time period, since the time they were last modified.

Exam revision: April 11, 2025