EMC Exam Questions

What is a probable cause for the decrease in the average ingest rate?

A customer wants to know why their backup performance to an EMC Avamar multi-node server
has decreased. Initially they were seeing an ingest rate of approximately 5 to 7 GB/hr/node.
Recently they estimated that the ingest rate has slowed to around 3 to 5 GB/hr/node.
What is a probable cause for the decrease in the average ingest rate?

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A.
Garbage collection is not running causing new stripes to be created

B.
HFS check has found errors and has not been completing successfully

C.
A large number of backups have expired causing new, relatively empty stripes to be created

D.
Stripes contain more data and steady state has been achieved