A customer has concerns about the testing of a number of updates to his main application
on a 30TB database. There are 5 separate changes that need to be implemented. They are
urgent and need to be implemented quickly during the following week. Which solution would
you recommend?

A.
Copy the entire database at the beginning of the week using ShadowImage and apply
each update on a day by day basis using TrueCopy Synchronous to copy the database.

B.
Copy the entire database at the beginning of the week using Copy-On-Write and apply
each update on a day by day basis using TrueCopy Synchronous to copy the database.

C.
Copy the entire database at the beginning of the week using Copy-On-Write and apply
each update on a day by day basis taking a ShadowImage snapshot each time before doing
so.

D.
Copy the entire database at the beginning of the week using Copy-On-Write and apply
each update on a day by day basis taking a Copy-On-Write snapshot each time before doing
so.