A customer needs to use DD Retention Lock Compliance to ensure that data integrity is maintained. Which PowerProtect DD systems meet the customer's requirement?

Which component executes the read/write requests in a backup environment consisting of a PowerProtect DD appliance and IBM Spectrum Protect?

A backup administrator is tasked with monitoring PowerProtect DD capacity metrics. The administrator is backing up 2 TB of data daily with a reduction rate at 5x. After data reduction, subsequent full backups compress down to 100 GB.
The initial backup requires 400 GB with a 10 percent increase in the data each day. Each incremental backup is 200 GB. After data reduction, each incremental backup is 20 GB.
What is the weekly burn rate (GB) after six daily incremental backups and one weekly backup?

A customer needs an upgrade on their DD6900 to use HA.
Which expansion shelf is required?