Q 1 - Which of the following is correct about variable naming conventions in C#?

A - It should not be a C# keyword.

B - It must not contain any embedded space or symbol such as? - + ! @ # % ^ & * ( ) [ ] { }

C - Both of the above.

D - None of the above.

Q 2 - Which of the following is correct about dynamic Type in C#?

A - You can store any type of value in the dynamic data type variable.

B - Type checking for these types of variables takes place at run-time.

C - Both of the above.

D - None of the above.

Q 3 - Which of the following converts a type (integer or string type) to date-time structures in C#?

A - ToString

B - ToSingle

C - ToChar

D - ToDateTime

Q 4 - Which of the following operator casts without raising an exception if the cast fails in C#?

A - ?:

B - is

C - as

D - *

Q 5 - Which of the following statements is correct about access specifiers in C#?

A - Encapsulation is implemented by using access specifiers.

B - An access specifier defines the scope and visibility of a class member.

C - Both of the above.

D - None of the above.

Q 6 - Which of the following is correct about null coalescing operator in C#?

A - The null coalescing operator is used with the nullable value types and reference types.

B - It is used for converting an operand to the type of another nullable (or not) value type operand, where an implicit conversion is possible.

C - If the value of the first operand is null, then the operator returns the value of the second operand, otherwise it returns the value of the first operand.

D - All of the above.

Q 7 - Which of the following is the correct about class member functions?

A - A member function of a class is a function that has its definition or its prototype within the class definition similar to any other variable.

B - It operates on any object of the class of which it is a member, and has access to all the members of a class for that object.

C - Both of the above.

D - None of the above.

Q 8 - Which of the following is the correct about interfaces in C#?

A - Interfaces are declared using the interface keyword.

B - Interface methods are public by default.

C - Both of the above.

D - None of the above.

Q 9 - You can define one namespace inside another namespace.

A - true

B - false

Q 10 - Which of the following is true about catch block in C#?

A - A program catches an exception with an exception handler at the place in a program where you want to handle the problem.

B - The catch keyword indicates the catching of an exception.

C - Both of the above.

D - None of the above.