Questions on Load Testing

Load Testing: 

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 parameterize a 

text verification check?

5.Why do you need to parameterize fields in your virtual user script?

6.What are the reasons why parameterization 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 parameterized fields?

9.What are the benefits of creating multiple actions within 

any virtual user script?