It might be possible to switch a storage account from one type of replication to another type using Azure portal, Azure CLI or PowerShell (just by updating the replication settings) or you might need to perform a manual migration, all depending upon scenarios. From the below-given options, choose the scenarios where you must perform manual migration.

Answer options:

A.When the data needs to be migrated into a ZRS storage account that is located in a region other than the source account.
B.If the storage account is a premium block blob or page blob account.
C.When data needs to be migrated from ZRS to GRS, RA-GRS or LRS.
D.When the storage account involves data in the archive tier.
E.All the above

Correct Answer: E 
You need to perform the manual migration in the below cases: When the data needs to be migrated into a ZRS storage account that is located in a region other than the source account.
If the storage account is a premium block blob or page blob account.
When data needs to be migrated from ZRS to GRS, RA-GRS or LRS.
When the storage account has data in the archive tier.
Also, the below table shows how one can switch from one replication type to another: 

Option A is incorrect. Not only this, all given options are correct.
Option B is incorrect. Although it is true that you need to perform manual migration if the storage account is a premium block blob or page blob account, all other statements are also true.
Option C is incorrect. From the above table, it is clear that you must perform manual migration When data needs to be migrated from ZRS to GRS, RA-GRS or LRS. But all other given options are also true.
Option D is incorrect. It is true that you need to perform manual migration When the storage account involves data in the archive tier but all other statements are also true.
Option E is correct. For all the given scenarios, you must perform manual migration.
Reference: 
To know more about replication, please visit the below-given link: 

https://docs.microsoft.com/en-us/azure/storage/common/redundancy-migration?tabs=portal