What is a symptom of the problem in this scenario?

Several clients are accessing an ONTAP SnapMirror DP destination volume. Some clients frequently access the newest SnapMirror volume data. Accessing this data is much slower when compared to clients that directly access data on the source. You use the wafl scan status command against the destination.

What is a symptom of the problem in this scenario?
A . blocks used summary update
B . active bitmap rearrangement
C . container block reclamation
D . volume deswizzling

Answer: A

Explanation:

Reference: https://kb.netapp.com/Advice_and_Troubleshooting/Data_Storage_Software/ONTAP_OS/What_is_the_"wafl_scan_status"_command%3F