Consider the following code: static void Main(string[] args) { int a; Sample1(ref a); Console. WriteLine(a); Sample2(out int b); Console. WriteLine(b); } static void Sample1(ref int value) { value = 2; } static void Sample2(out int value) { value = 4; }

Which of the following is true regarding the given code?

a. The error "Use of unassigned local variable a" will appear during compilation.
b. Line 4 will print the value of variable a as 2.
c. Line 6 will print the value of variable b as 2.
d. The error "Multiple declaration of the value variable" will occur during compilation.

Solution: the categorization of functional and non-functional requirement are as follows: some of the more typical functional requirements include: • business rules• transaction corrections, adjustments and cancellations• administrative functions• authentication• authorization levels• audit tracking• external interfaces• certification requirements• reporting requirements• historical data• legal or regulatory requirementswhile,some typical non-functional requirements are: • performance – for example response time, throughput, utilization, static volumetric• scalability• capacity• availability• reliability• recoverability• maintainability• serviceability• security• regulatory• manageability• environmental• data integrity• usability• interoperability