You plan to implement FSLogix profile containers for the Seattle office. Which storage account should you use?

The correct storage account is storage1. FSLogix profile containers require Azure Files shares for storage. Storage1 is the only account listed that is a Standard storage account with a Premium file share, which is recommended for FSLogix due to its higher IOPS and lower latency compared to standard file shares. Storage2 is a Premium Blob Storage account, which is not suitable for FSLogix profile containers as they require file shares, not blob storage. Storage3 is a Standard general-purpose v2 storage account but uses a standard file share, which may not provide the necessary performance for FSLogix in a production environment. Storage4 is a Premium general-purpose v2 storage account, but it does not specify the type of file share, and typically, premium general-purpose v2 accounts are used for block blobs or page blobs, not necessarily for high-performance file shares unless explicitly configured.