Why would Global Mirror with Change Volumes be a beneficial solution for this customer?

A customer has two IBM Storwize V5010 systems installed at two locations and is considering IP data replication between the two sites. The IP link between locations is a shared resource and is not scalable.

Why would Global Mirror with Change Volumes be a beneficial solution for this customer?
A . It shortens the Recovery Point Objective.
B . It uses required IP connection.
C . It keeps the relationship live even with limited bandwidth,
D . It achieves the Recovery Time Objective.

View Answer

Answer: C

Explanation:

If you want to provide lower bandwidth between systems

https://www.ibm.com/developerworks/community/blogs/storwizecopyservices/entry/gmcv?lang=en