AZ-104 Question #507: Real Exam Question with Answer & Explanation

Question

Hotspot Question You have an Azure Storage account named storage1 that contains a blob container. The blob container has a default access tier of Hot. Storage1 contains a container named conainer1. You create lifecycle management rules in storage1 as shown in the following table. You perform the actions shown in the following table. For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point. Answer:

Options

• __typehotspot
• variantyes_no

Explanation

Determine blob readability based on storage tier transitions triggered by lifecycle management rules and last modified dates.

Approach. To determine if a file can be read on October 10, calculate its age based on its last modified date and apply the lifecycle rules to find its current storage tier. Blobs in Hot or Cool tiers can be read, but blobs in the Archive tier are offline and cannot be read without rehydration.

1. Dep1File1.docx: The blob path 'container1/Dep1File1.docx' matches the prefix 'container1/Dep1' in Rule1. It was last edited on October 2. By October 10, it has been unmodified for 8 days. Rule1 dictates moving it to Archive storage after 2 days. Because it is in the Archive tier, it cannot be read. Answer: No.
2. File2.docx: This does not match Rule1's prefix, so only Rule2 applies. It was last edited on October 5. By October 10, it has been unmodified for 5 days. Rule2 dictates moving it to Cool storage after 3 days. Blobs in the Cool tier can be read. Answer: Yes.
3. File3.docx: This does not match Rule1's prefix, so only Rule2 applies. It was last edited on October 2. By October 10, it has been unmodified for 8 days. Rule2 dictates moving it to Cool storage after 3 days, and Archive after 9 days. Since it has only been 8 days, it remains in the Cool tier and can be read. Answer: Yes.

Common mistakes.

• common_mistake. A common mistake is assuming that Rule1 applies to all files in 'container1' or failing to recognize that moving a blob to the Archive tier renders it inaccessible for direct read operations. Another mistake is miscalculating the 'days unmodified' by using the upload date (Oct 1) instead of the edit dates.

Concept tested. Azure Storage Lifecycle Management, Storage Access Tiers (Hot, Cool, Archive), and Prefix Filtering.

Reference. https://learn.microsoft.com/en-us/azure/storage/blobs/lifecycle-management-overview

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