Technical Questions on testing certification

What is the purpose of creating virtual users in load testing?
There are two ways to test the performance of your application. one is in the production which is very difficult to improve the performance once your application goes into production and is possible with the help of solaris DTrace kind of facilities but not applicable to all projects.
Therefore we need a virtual real time environment with expected no of real time user which are created virtually on various load testing tools.
Why is it recommended to add verification checks to your all your scenarios?
(1)Each scenario is set of transaction in LoadRunner script.
(2)Each transaction does have set of virtual user actions
(3)To make sure that the vitrul user has passed the transaction scripts need the verification checks.
(4)There are 2 types of verification checks.
Image verification check and Text verification check.
(5)It is better practice to add verification check after each action is performed.
------------ is the means used by organizations to minimize risk.
a. Costing
b. Quality Assurance
c. Controls
d. None of the above
Ans c.Controls
The criteria involved in Testing Policy is a.Definition of Testingb.Testing Systemc.Evaluationd.All the abovee.None of the above
Ans d.All the above
-------------------- is called black box testinga.Structuralb.Functionalc.Bothd.None of the above
Ans b.Functional
Decision /Condition coverage is a part ofa.Black Box Testingb.White Box Testingc.Incremental Testingd.Thread Testing
Ans b.White Box Testing
Which of the following test approaches is not a structured test approach?a. Load/Stressb. Operationsc. Regressiond. None of the above
Ans c. Regression
The Pareto analysis is most effective fora. ranking items by importanceb. Showing relationships between itemsc. Measuring the impact of identified items
Ans a. ranking items by importance
INFOSEC professionals are concerned about providing due care and due diligence. With whomshould they consult, when protecting information assets?A. Law enforcement in their regionB. Senior management, particularly business-unit ownersC. IETF enforcement officialsD. Other INFOSEC professionalsE. Their organizations' legal experts
E. Their organizations' legal experts
how to do manual testing in test director i mean where to launch
testing is very important in software development .so testing starting at olanning to colloect specification time to begin testers involve but you want manual testing which time to do strat ? at the time of coding part complete any module we want to test text validation done are not ; at particular palce working properly to user requirements ; all functions are working properly as guide lenes of project manager specifications .........so on