Load Testing interview questions?

1.What criteria would you use to select Web transactions for 
load testing?
2.For what purpose are virtual users created?
3.Why it is recommended to add verification checks to your
 all your scenarios?
4.In what situation would you want to parametrize a 
text verification check?
5.Why do you need to parametrize fields in your virtual user script?
6.What are the reasons why parametrization is necessary when
 load testing  the Web server and the database server?
7.How can data caching have a negative effect on load testing results?
8.What usually indicates that your virtual user script has
 dynamic data that is dependent on you parametrized fields?
9.What are the benefits of creating multiple actions within 
any virtual user script?
10. What is a Load Test Results Summary Report?