What must System Architect avoid when balancing intentional architecture and emergent design for the upcoming PI?

What must System Architect avoid when balancing intentional architecture and emergent design for the upcoming PI?
A . Explaining the architectural Vision to Agile Teams
B . Providing guidance to align the team’s localized design decisions
C . Un-validated architectural decisions
D . Reuse of common components

Answer: C

Explanation:

Un-validated architectural decisions