Fundamental
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Fundamental
Prepare and test your skills
Offline Bulk Transfer with Data Box Heavy
Free sample question, answered and explained below. The AZ-900 Microsoft Azure Fundamentals Exam practice bank has 688 more like it. Try 10 free: instant score, no account.
An enterprise organization needs to perform a one-time migration of approximately 500 TB of historical backup archives from its on-premises datacenter to Azure Storage.
The organization has the following constraints:
- Outbound network bandwidth is severely limited and cannot be used for large transfers
- Security policies strictly prohibit transferring sensitive archive data across the public internet
- The migration must be completed using a single, high-capacity physical appliance supplied by Microsoft
Which Azure Data Box offering should the organization order to meet these requirements?
Explanations
Azure Data Box Gateway
Azure Data Box Gateway
What Azure Data Box Gateway Is
Azure Data Box Gateway is an online, virtual appliance that runs on a hypervisor (such as Hyper-V or VMware) within an on-premises datacenter to transfer files continuously or periodically to Azure Storage over the network.
Why It Doesn't Meet the Requirement
Azure Data Box Gateway is purely an online network transfer tool rather than a physical, shippable appliance. Because the organization has severely limited bandwidth and strict security policies prohibiting internet transfers, a gateway device that transmits data over WAN links cannot satisfy the scenario.
Key Characteristics and Limitations
- Deployment Type: Deployed as a virtual machine on-premises, not a physical hardware device shipped by Microsoft.
- Transfer Mechanism: Relies completely on an active network connection (WAN/Internet) to upload data to Azure.
- Use Case: Best suited for continuous ingestion, remote office backups, or scheduled cloud synchronization rather than one-time offline bulk migrations.
- Protocol Support: Exposes local SMB and NFS shares to on-premises clients and automatically manages cloud uploads.
This Answer Would Be Correct If
The organization required an ongoing, automated virtual gateway to sync local network file shares to Azure Storage continuously over an existing high-speed network connection.
Azure Data Box Disk
Azure Data Box Disk
What Azure Data Box Disk Is
Azure Data Box Disk is an offline data transfer solution where Microsoft ships an order containing 1 to 5 solid-state drives (SSDs) with a maximum total capacity of up to 35 TB per order.
Why It Doesn't Meet the Requirement
While Azure Data Box Disk is an offline physical transfer option, its usable capacity ceiling is 35 TB per order (using 8 TB encrypted SSDs). Migrating 500 TB of data would exceed the design scope of a single Data Box Disk order and would require dozens of individual disk shipments, failing the requirement for a single physical appliance.
Key Characteristics and Limitations
- Target Dataset Size: Designed for small-to-medium transfers up to 35 TB.
- Interface: Uses a standard USB 3.1 / SATA connection without high-throughput optical datacenter uplinks.
- Encryption: Employs AES 128-bit encryption or hardware-encrypted self-encrypting drives (SEDs).
- Form Factor: Shipped as multiple lightweight, handheld SSD drives rather than a unified enterprise appliance.
This Answer Would Be Correct If
The organization needed to transfer smaller datasets (under 35 TB) quickly using portable USB-connected SSDs that require minimal setup time and no rack mounting.
Azure Storage Explorer
Azure Storage Explorer
What Azure Storage Explorer Is
Azure Storage Explorer is a standalone, cross-platform graphical user interface (GUI) desktop application developed by Microsoft that allows administrators to inspect, manage, and upload data to Azure Storage resources.
Why It Doesn't Meet the Requirement
Azure Storage Explorer is a client-side software application that performs online data transfers over the network. It does not provide any physical hardware or offline shipping mechanism. Attempting to upload 500 TB using a desktop GUI over an impaired network connection would take years and violate the offline transfer constraint.
Key Characteristics and Limitations
- Software Utility: Acts as a management tool for Azure Blobs, Files, Queues, Tables, and Cosmos DB entities.
- Network Bound: Requires an active, outbound internet or private network connection to Azure endpoints.
- Capacity Scope: Ideal for managing files, configuring access policies, and uploading small-to-moderate batch files interactively.
- No Physical Hardware: Does not involve physical appliances or Microsoft shipping logistics.
This Answer Would Be Correct If
An administrator needed a desktop GUI tool to browse, download, or manually upload individual files and storage containers directly over a standard network connection.
Azure Data Box Heavy
Azure Data Box Heavy
What Azure Data Box Heavy Is
Azure Data Box Heavy is a purpose-built, high-capacity physical storage appliance provided by Microsoft designed specifically for offline bulk data migration to Azure. It allows organizations to move hundreds of terabytes to petabytes of data when transferring over wide area networks (WAN) is impractical due to slow connection speeds, bandwidth costs, or security constraints.
How It Meets the Requirements
- Massive Storage Capacity: Azure Data Box Heavy provides approximately 800 TB of usable capacity (with a raw capacity of 1 PB), making it capable of handling the entire 500 TB workload within a single physical device.
- Offline Data Transfer: The device is delivered directly to the customer datacenter, loaded locally over high-speed interfaces, and shipped back to an Azure datacenter, completely bypassing the public internet and constrained WAN bandwidth.
- Enterprise-Grade Security: Data stored on the appliance is protected with AES 256-bit encryption at all times and housed within a rugged, tamper-evident chassis.
Key Advantages and Capabilities
- High-Throughput Connectivity: Features high-speed 40-Gbps network interfaces (QSFP+) to accelerate the local data copying process.
- Microsoft-Managed Logistics: Microsoft manages shipping logistics, end-to-end tracking via the Azure portal, and carrier pickups.
- Sanitization Standards: Disks are sanitized according to NIST SP 800-88 Rev. 1 media sanitization guidelines after data ingestion into Azure Storage.
- Standard Protocol Support: Supports common datacenter protocols such as SMB and NFS for direct data ingestion from existing servers.
Why This Is Optimal
Azure Data Box Heavy is the only single-appliance offline solution capable of transferring 500 TB of data in a single shipment without relying on network bandwidth.
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