You create a Field Security Profile for secured columns access in the Dataverse database. 
What are the three permissions that you need to set for each secured column in your profile?

Answer options:

A.Allow Delete
B.Allow Create
C.Allow Read
D.Allow Update
E.Allow Save
F.Allow Copy

Correct Answers: B, C and D 
Dataverse provides column (field) security on a column by column basis for most out-of-the-box tables. For management simplification, Dataverse groups the secured column (field) permissions into a profile. A system administrator can grant access to the profiles to specific users or teams. 
When system administrators create a column (field) security profile, they need to set the three permissions for each secured column (field): 

All other options are incorrect. 
For more information about Dataverse Field Security Profiles, please visit the below URLs: 

https://docs.microsoft.com/en-us/power-platform/admin/wp-security-cds#field-level-security-in-dataverse
https://docs.microsoft.com/en-us/power-platform/admin/field-level-security