ExpertMedium1 markMultiple Choice
AZ-305 · Question 49 · Domain 4.3: Migrations
A media company needs to migrate 150 TB of historical video archives from their on-premises SAN to Azure Blob Storage.
Their on-premises internet connection is only 100 Mbps, and it is heavily utilized by daily operations. They need to complete the migration within 3 weeks.
Which TWO solutions should you recommend to meet the timeframe without impacting daily operations? (Select TWO)
A media company needs to migrate 150 TB of historical video archives from their on-premises SAN to Azure Blob Storage.
Their on-premises internet connection is only 100 Mbps, and it is heavily utilized by daily operations. They need to complete the migration within 3 weeks.
Which TWO solutions should you recommend to meet the timeframe without impacting daily operations? (Select TWO)
Answer options:
A.
Use AzCopy over the public internet.
B.
Order an Azure Data Box Heavy.
C.
Ship the physical device to the Azure datacenter.
D.
Configure an Azure ExpressRoute circuit.
E.
Use Azure File Sync.
How to approach this question
Calculate the math: 150TB over 100Mbps takes months. You must use an offline physical transfer method.
Full Answer
Order an Azure Data Box Heavy, Ship the physical device to the Azure datacenter
Moving 150 TB of data over a 100 Mbps connection would take approximately 140 days, which violates the 3-week requirement and would disrupt daily operations. For massive data transfers over constrained networks, an offline migration strategy is required. You should order an Azure Data Box (or Data Box Heavy). Microsoft ships the physical appliance to your datacenter. You copy the data to it locally at LAN speeds, and then physically ship it back to the Azure datacenter, where Microsoft uploads it to Blob Storage.
Common mistakes
Suggesting ExpressRoute. While ExpressRoute provides high bandwidth, the physical telco provisioning process usually takes 1-3 months, failing the 3-week requirement.
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