DP-203 Certification Practice Question #230

Question

You are designing an application that will use an Azure Data Lake Storage Gen 2 account to store petabytes of license plate photos from toll booths. The account will use zone-redundant storage (ZRS).
You identify the following usage patterns:
* The data will be accessed several times a day during the first 30 days after the data is created. The data must meet an availability SLA of 99.9%.
* After 90 days, the data will be accessed infrequently but must be available within 30 seconds.
* After 365 days, the data will be accessed infrequently but must be available within five minutes.
You need to recommend a data retention solution. The solution must minimize costs.
Which access tier should you recommend for each time frame? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Hot Area:

Accepted Answer

The first period has frequent reads and a 99.9% availability requirement on ZRS, which favors Hot. After 90 days, the data is accessed infrequently but still must be available quickly; Cool is the lower-cost online tier that fits. After 365 days, Archive still fails because retrieval is hours rather than five minutes. The community and Microsoft Learn align well on Hot/Cool/Cool.

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