What is a possible cause for the issue?

An administrator started an on-demand backup of a Dell EMC Avamar client. The backup is running low on performance, the daily scheduled backup for the same client is completing properly.

What is a possible cause for the issue?
A . On-demand backups initiate a consistency check before the actual client backup
B . On-demand backups in Avamar are generally slower than the scheduled backup
C . On-demand backups are triggered while garbage collection is running
D . On-demand backups will not check hash cache so more data is sent to the Avamar server

Answer: C