Question 1 : Which of the following statements is correct?
1. When a class inherits an interface it inherits member definitions as well as its implementations.
2. An interface cannot contain the signature of an indexer.
3. Interfaces members are automatically public.
4. To implement an interface member, the corresponding member in the class must be public as well as static.
5. All of the above
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Question 2 : Which of the following statements is correct about an interface?
1. One interface can be implemented in another interface.
2. An interface can be implemented by multiple classes in the same program.
3. A class that implements an interface can explicitly implement members of that interface.
4. The functions declared in an interface have a body.
5. All of the above
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Question 3 : Which of the following statements is correct about an interface used in C#.NET?
1. If a class implements an interface partially, then it should be an abstract class.
2. A class cannot implement an interface partially.
3. An interface can contain static methods.
4. An interface can contain static data.
5. Multiple interface inheritance is not allowed.
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Question 4 : Which of the following statements is correct about Interfaces used in C#.NET?
1. All interfaces are derived from an Object class.
2. Interfaces can be inherited.
3. All interfaces are derived from an Object interface.
4. Interfaces can contain only method declaration.
5. Interfaces can contain static data and methods.
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Question 5 : Which of the following statements is correct about an interface used in C#.NET?
1. One class can implement only one interface.
2. In a program if one class implements an interface then no other class in the same program can implement this interface.
3. From two base interfaces a new interface cannot be inherited.
4. Properties can be declared inside an interface.
5. Interfaces cannot be inherited.
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Question 6 : A class implements two interfaces each containing three methods. The class contains no instance data. Which of the following correctly indicate the size of the object created from this class?
1. 12 bytes
2. 24 bytes
3. 0 byte
4. 8 bytes
5. 16 bytes
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