单选题A customer has an EMC Symmetrix DMX-4 installed. The disk subsystem is coming off lease. The customer is considering an IBM System Storage DS8800. What is a key advantage of the DS8800（）A The DS8800 has a higher disk RPM than the Symmetrix DMX-4B The
题目
单选题
A customer has an EMC Symmetrix DMX-4 installed. The disk subsystem is coming off lease. The customer is considering an IBM System Storage DS8800. What is a key advantage of the DS8800（）
A
The DS8800 has a higher disk RPM than the Symmetrix DMX-4
B
The DS8800 has higher capacity with more efficient footprint than the Symmetrix DMX-4
C
The DS8800 supports FlashCopy for internal array replication
D
The DS8800 supports external virtualization