Asolutions architect was tasked with reviewing several templates that build vpcs and ensuring that they meet specific security requirements. after reviewing the templates, the architect realizes that all of the templates are missing important security best practices.
what should the architect do to implement security best practices in an efficient manner?

a. use vpc peering to enforce network consistency
b. restrict users from deploying an aws cloudformation template
c. provide the teams a nested aws cloudformation template that builds the vpc correctly
d. create aws identity and access management (iam) policies that enforce the corporate vpc architecture standards