You are designing an Azure application that provides online backup storage for hundreds of media files.
Each file is larger than 1GB.
The data storage solution has the following requirements:
It must be capable of storing an average of 1TB of data for each user.

It must support sharing of data between all Windows Azure instances.

It must provide random read/write access.

You need to recommend a durable data storage solution.
What should you recommend?
Correct Answer: B
Explanation/Reference:
Explanation:
Block blobs can store up to 200 GB of data and are optimized for streaming. This is the type by which most blobs are stored.
Page blobs can store up to 1 TB and are optimized for random read/ write operations. They provide the ability to write to a range of bytes in a Blob.
Virtual Drives in Azure Virtual Machines use page blobs because they are accessed randomly.
References: https://msdn.microsoft.com/en-us/library/azure/ee691964.aspx