Using the state transition test technique, how many 0-switch test cases are needed to achieve 100% 0-switch coverage?

A PIN entry component of an ATM system has been developed using the following state table:

Using the state transition test technique, how many 0-switch test cases are needed to achieve 100% 0-switch coverage?
A . 4
B . 7
C . 8
D . 28

View Answer

Answer: D