You are coaching your junior project managers and are trying to determine the duration of activities. You need to deliver the final product on the deadline date, but some uncertainties can affect the estimated duration of activities. Which of the following is the best tool to use?

A Parametric estimating

B $$ T$-$shirt sizing

C Bottom$-$up estimating

D

Three$-$point estimating

Your initial plan was to finish all configuration work before testing would start. However, due to some delays, you have decided to start testing even though configuration is not yet complete. Which of the following would best describe this situation?

A You have changed a mandatory dependency to a discretionary dependency.

B You have changed soft logic to hard logic.

You have changed a start to finish relationship to a finish to start.

D

You have changed a finish to start to a start to start relationship.