Which of the following should be used to identify weak processes and other vulnerabilities?

A recent CRM upgrade at a branch office was completed after the desired deadline. Several technical issues were found during the upgrade and need to be discussed in depth before the next branch office is upgraded.

Which of the following should be used to identify weak processes and other vulnerabilities?
A . Gap analysis
B . Benchmarks and baseline results
C . Risk assessment
D . Lessons learned report

Answer: D