You have an application named App1. App1 generates log files that must be archived for five years. The log files must be readable by App1 but must not be modified.
Which storage solution should you recommend for archiving?
A . Use an Azure Blob storage account and a time-based retention policy
B . Ingest the log files into an Azure Log Analytics workspace
C . Use an Azure Blob Storage account configured to use the Archive access tier
D . Use an Azure file share that has access control enabled
Answer: A
Explanation:
Immutable storage for Azure Blob storage enables users to store business-critical data objects in a WORM (Write Once, Read Many) state.
Immutable storage supports:
Time-based retention policy support: Users can set policies to store data for a specified interval. When a time-based retention policy is set, blobs can be created and read, but not modified or deleted. After the retention period has expired, blobs can be deleted but not overwritten.
References: https://docs.microsoft.com/en-us/azure/storage/blobs/storage-blob-immutable-storage
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