Which option does the data architect have?

A data architect responsible for maintaining existing schemas is notified that a previously defined mandatory field is no longer available due to some changes in the inbound data. The data architect confirms the existing schema has been saved and is currently being leveraged in data ingestion.

Which option does the data architect have?
A . Remove the previously defined field
B . Make the current mandatory field optional
C . Rename the existing field
D . Assign the field a new data type

Answer: A