What effect will a lack of CBT information have on the Veeam backup job?

Under certain circumstances, VMware Changed Block Tracking (CBT) may be unavailable to Veeam Backup & Replication.

What effect will a lack of CBT information have on the Veeam backup job?
A . Veeam will perform a full backup automatically
B . You will not be able to later copy this file to tape or offsite
C . The backup job will fail
D . The backup job duration will increase

Answer: A

Explanation:

https://forums.veeam.com/veeam-backup-replication-f2/resetting-cbt-necessary-if-running-active-full-t24560.html