A customer is configuring Oracle servers in their environment for the first time. They would
like to use their existing EMC Avamar server to protect these new systems. They have
asked you to explain the various point-in-time recovery modes. When using the System
Change Number recovery mode, how often is the System Change Number updated in
Oracle?

A.
After every hour

B.
After every full backup

C.
After every transaction

D.
After every backup