A customer has a requirement for a storage solution that meets the following criteria：      
（1）Heterogeneous hosts attached      
（2）Support for block I/O      
（3）High Speed      
（4）Scalable 
Which solution would satisfy the customer’s requirement？（）

A.What is the minimum critical backup window？
B.Which server is handling the most critical data？
C.How much data is stored on each server？
D.What is the throughput of the hard drives？

A.In what format are the CAD documents？
B.How much data needs to be backed up from each remote site？
C.What are the current acceptable windows for back up and restore？
D.Are the plants within line-of-sight to enable wireless communication？
E.Can the communication lines cost-effectively be upgraded to a higher level of service？

A.x445 4-way Xeon DP machine using 16 x 512MB DIMMS， ServeRAID 6M adapter and Ultra320 15K Hard Disk drives in a RAID-1 set with an additional two BroadCom Gigabit NICs
B.x366 4-way Xeon MP machine using 16 x 512MB DIMMS， ServeRAID 6M adapter and Ultra320 15K Hard Disk drives in a RAID-1 set with an additional two Intel Gigabit NICs
C.x445 4-way Xeon MP machine using 16 x 512MB DIMMS， ServeRAID 6M adapter and Ultra320 15K Hard Disk drives in a RAID-1 set with an additional two BroadCom Gigabit NICs
D.x445 4-way Xeon DP machine using 16 x 512MB DIMMS， ServeRAID 6M adapter and Ultra320 15K Hard Disk drives in a RAID-1 set with an additional two Intel Gigabit NICs