Which storage software feature allows a customer to synchronously replicate its data?
A . A Metro Sync
B . Metro Mirror
C . Erasure Coding
D . Global Mirror
Answer: B
Explanation:
https://www.ibm.com/support/knowledgecenter/SSNE44_5.2.4/com.ibm.tpc_V524.doc/frg_c_ct_metro_mirror.html