To apply for a position in tech support you must have at lea

To apply for a position in tech support, you must have at least two years of college and at least two years of relevant experience. However, if you meet either one of the requirements, and you pass the entrance exam with a score of 95 or higher, the other requirement will be waived. Use the decision table method to answer the following questions. Question A. How many conditions does this policy contain, and what are they? Question B. Create an initial decision table that shows all possible rules. Question C. Simplify the table, if possible, by eliminating any redundant rules. Explain your reasoning. Each team prepares a cover page and 1-2 pages using decision table(s) to answer the above questions

Solution

Decision table testing is a kind of black box testing which is based number of possible inputs to deal with a single output. It is called black box testing because the user is only aware of the input he gives to the box and output generated by the box. It is also called cause effect testing because cause is being used to derive and fill the contents of an empty decision table.

It is one of the important software testing technique because it provide the testers a combination of all possible different inputs and help them implement the business rules. As a result of which developer as well tester are wellbeing aware with the kind of business rules to be implemented in the starting of project.

Implementing Decision table testing

Table 1: Blank Decision Table: Its is created by combining all possible input combination. Next step is find the combination = 2^n where n is the number of things to be combined which is 3 so total 8 combinations.

Decision

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

Step 8

Two years of college

Y

Y

Y

Y

N

N

N

N

2 or 2+ years of relevant exp

Y

Y

N

N

Y

Y

N

N

Entrance exam with 95 or higher

Y

N

Y

N

Y

N

Y

N

For Outcome the value is if and only if

Table 2: Outcomes and Combinations

Action/Outcomes

Step 1

Step 2

Step 3

Step 4

Step 5

Step 6

Step 7

Step 8

Entrace exam passed

Y

Y

Y

N

Y

N

Y

N

Answers

Decision	Step 1	Step 2	Step 3	Step 4	Step 5	Step 6	Step 7	Step 8
Two years of college	Y	Y	Y	Y	N	N	N	N
2 or 2+ years of relevant exp	Y	Y	N	N	Y	Y	N	N
Entrance exam with 95 or higher	Y	N	Y	N	Y	N	Y	N