please help with these questions.

Question 2 (1 point) Whenever describing the performance of a database under various sorts of load, what parties need to understand database engineering? Both the speaker and the listener Neither the speaker nor listener Neither, because database engineering isn't useful in this context Only one party who is qualified enough to explain it to the other party Question 3 (1 point) Saved When it comes to revamping incentive structures, financial and career penalties should be created to prevent failure. True False Question 4 (1 point) In the race to put a man on the moon, NASA used discrete, testable steps that failed partially or totally. True False