You are a messaging professional. You are designing the storage group layout for your companys new Microsoft Exchange Server 2007 computers.

Your enterprise backup system can perform up to 10 streaming restores at 10 GB per hour.

Your companys users belong to one of the two groups, Group A or Group B. The current storage group configuration has each group of users in a separate database. The group details are given in the following table.

Number of UsersMailbox QuotaMaximum Recovery Time for a Single Database
Group A1,000500 MB8 hours
Group B1001000 MB2 hours

You need to design a storage group layout that enables recovery of all databases within the  maximum recovery time.

Which two actions should you perform to design a storage group layout that enables recovery of all databases within the maximum recovery time? (Each correct answer presents part of the solution. Choose two.)

A.
Create five storage groups and create one database in each storage group for users in Group B. Redistribute user mailboxes to these databases.

B.
Create one storage group and create five databases in each storage group for users in Group B. Redistribute user mailboxes to these databases.

C.
Create seven storage groups and create one database in each storage group for users in Group A.
Redistribute user mailboxes to these databases.

D.
Create one storage group and create seven databases in each storage group for users in Group A.
Redistribute user mailboxes to these databases.