
Explanation:
To minimize costs for backing up the web app App1 deployed in the West US region, you should choose a storage account that is also located in the same region. This minimizes data transfer costs. Among the provided options, both B (Blob Storage in West US) and C (Block Blob Storage in West US) fit this criteria. However, Blob Storage (option B) is typically more cost-effective for backups while allowing different types of blobs (block blobs, append blobs, and page blobs). Therefore, the optimal choice is option B.
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In an Azure subscription with multiple storage accounts, you've deployed a web app, App1, in the West US region. To minimize costs for backing up App1, identify the optimal storage account based on location and type.
A
General Purpose v2 in East US
B
Blob Storage in West US
C
Block Blob Storage in West US
D
File Storage in Central US