A quality assurance analyst is reviewing a new software product for security, and has complete
access to the code and data structures used by the developers. This is an example of which of the
following types of testing?

A.
Black box

B.
Penetration

C.
Gray box

D.
White box

Explanation:
White box testing is the process of testing an application when you have detailed knowledge of the
inner workings of the application.
White-box testing (also known as clear box testing, glass box testing, transparent box testing, and
structural testing) is a method of testing software that tests internal structures or workings of an
application, as opposed to its functionality (i.e. black-box testing). In white-box testing an internal
perspective of the system, as well as programming skills, are used to design test cases. The tester
chooses inputs to exercise paths through the code and determine the appropriate outputs. This is
analogous to testing nodes in a circuit, e.g. in-circuit testing (ICT).
White-box testing can be applied at the unit, integration and system levels of the software testing
process. Although traditional testers tended to think of white-box testing as being done at the unit
level, it is used for integration and system testing more frequently today. It can test paths within a
unit, paths between units during integration, and between subsystems during a system–level test.