Rate your confidence of being able to answer the below questions saying A, B or C, where:

A)  I am confident that I know the answer to this question
B)  I know at least 50% of the answer to this question, within 20 minutes I could find the required resources to enable a complete answer
C) I am not confident that I can answer the question at this time.

No need to answer the questions for now. Just rate your confidence.