Black box test A U.S. phone number consists of three sections: 1. Area code: It can be null or consists of three digits. 2. Prefix code: It consists of three digits with non-ZERO or non-ONE as the first digit in the Prefix code section. i.e. 334-123-4567 is invalid because the first digit in the Prefix code is ONE. 3. Postfix code: It consists of four digits. Please list all possible test cases to expose vulnerabilities for the following three tests from questions Q15 - Q17. (Hints: Please consider non-numeric values, such as characters) Question 15 6 pts Arca code can be nullor consists of three digits Question 15 6 pts Area code: It can be null or consists of three digits. Area code test: Please list all possible test cases to expose vulnerabilities of this test. Edit View Insert Format Tools Table 12pt v Paragraph v | BIVA Tv ! olwards HER Prefix code: It consists of three digits with non-ZERO or non-ONE as the first digit in the Prefix code section. i.e. 334-123-4567 is invalid because the first digit in the Prefix code is ONE. Prefix code test: Please list all possible test cases to expose vulnerabilities of this test. Edit View Insert Format Tools Table 12pt Paragraph | BI y Av T?v: Postfix code: It consists of four digits. Postfix code test: Please list all possible test cases to expose vulnerabilities of this test. Edit View Insert Format Tools Table 12pt v Paragraph | B I V AV 2 Tv]