Interview Questions

1. Which feature enables to obtain information about the use and capabilities of types at runtime?

Options:

a. Runtime type ID

b. Reflection

c. Attributes

d. None of the mentioned

Reveal Answer

2. Choose the namespace which consists of classes that are part of .NET Reflection API:

Options:

a. System.Text

b. System.Name

c. System.Reflection

d. None of the mentioned

Reveal Answer

3. Choose the correct statement about System.Type namespace:

Options:

a. Core of the reflection subsystem as it encapsulates a type

b. Consists of many methods and properties that can be used to obtain information about a type at runtime

c. Both a & b

d. Only b

Reveal Answer

4. Choose the class from which the namespace ‘System.Type’ is derived:

Options:

a. System.Reflection

b. System.Reflection.MemberInfo

c. Both a & b

d. None of the mentioned

Reveal Answer

5. What does the following property signify?

Options:

a. Helps in distinguishing kinds of members

b. Property helps in determining if member is a field, method, property or event

c. Both a & b

d. None of the mentioned

Reveal Answer

6. The property signifies “Obtains a Module object that represents the module (an executable file) in which the reflected type resides”. Choose the property which

Options:

a. Type DeclaringType

b. int MetadataToken

c. Module Module

d. Type ReflectedType

Reveal Answer

7. Choose the method defined by MemberInfo:

Options:

a. GetCustomAttributes()

b. IsDefined()

c. GetCustomeAttributesData()

d. All of the mentioned

Reveal Answer

8. What does the following declaration specify? MethodInfo[] GetMethods()

Options:

a. Returns an array of MethodInfo objects

b. Returns a list of the public methods supported by the type by using GetMethods()

c. Both a & b

d. None of the mentioned

Reveal Answer

9. What does the following code specify? object Invoke(object obj, object[] parameters)

Options:

a. Calling a type using invoke()

b. Any arguments that need to be passed to the method are specified in the array parameters

c. The value returned by the invoked method is returned by Invoke()

d. None of the mentioned

Reveal Answer

10. What does the following method specify? Type[] GetGenericArguments()

Options:

a. a property defined by MemberInfo

b. Obtains a list of the type arguments bound to a closed constructed generic type

c. the list may contain both type arguments and type parameters

d. Only b & c

Reveal Answer

11. Which of the following cannot further inspect the attribute that is once applied?

Options:

a. Linker

b. ASP.NET Runtime

c. Language compilers

d. CLR

Reveal Answer

12. To apply an attribute to an Assembly, the correct way of implementation is?

Options:

a. [AssemblyInfo: AssemblyDescription (“Csharp”)]

b. [assembly: AssemblyDescription(“Csharp”)]

c. [AssemblyDescription(“Csharp”)]

d. (Assembly:AssemblyDescription(“Csharp”)]

Reveal Answer

13. The correct method to pass parameter to an attribute is?

Options:

a. By name

b. By address

c. By position

d. By reference

Reveal Answer

14. Which among the following is the correct form of applying an attribute?

Options:

a. class sample { }

b. (Serializable())class sample { }

c. [Serializable()] class sample { }

d. none

Reveal Answer

15. Which among the following cannot be a target for a custom attribute?

Options:

a. Enum

b. Event

c. Interface

d. Namespace

Reveal Answer

16. Select the correct statement about Attributes used in C#.NET?

Options:

a. The CLR can change the behaviour of the code depending on attributes applied to it

b. If a bugFixAttribute is to recieve three paramteres, then the BugFixAttribute class should implement a zero arguement constructor

c. To create a custom attribute we need to create a custom attribute structure and derive it from System.Attribute

d. None of the mentioned

Reveal Answer

17. The correct way to apply the custom attribute called Employer which receives two arguements – name of the employee and employeeid is?

Options:

a. Custom attribute cannot be applied to an assembly

b. [assembly : Employer(“Ankit”,employeeid.one)]

c. [ Employer(“Ankit”, employeeid.second)] class employee { }

d. Custom attribute cannot be applied to a class

Reveal Answer

18. Which of the following is the correct statement about inspecting an attribute in C#.NET?

Options:

a. An attribute can be inspected at link time

b. An attribute can be inspected at design time

c. An attribute can be inspected at run time

d. None of the mentioned

Reveal Answer

19. Attributes could be applied to

Options:

a. Method

b. Class

c. Assembly

d. Enum

Reveal Answer

20. The [Serializable()] attributes gets inspected at:

Options:

a. compile time

b. run time

c. design time

d. linking time

Reveal Answer

Interview Questions and Answer

1. Which feature enables to obtain information about the use and capabilities of types at runtime?

2. Choose the namespace which consists of classes that are part of .NET Reflection API:

3. Choose the correct statement about System.Type namespace:

4. Choose the class from which the namespace ‘System.Type’ is derived:

5. What does the following property signify?

6. The property signifies “Obtains a Module object that represents the module (an executable file) in which the reflected type resides”. Choose the property which

7. Choose the method defined by MemberInfo:

8. What does the following declaration specify? MethodInfo[] GetMethods()

9. What does the following code specify? object Invoke(object obj, object[] parameters)

10. What does the following method specify? Type[] GetGenericArguments()

11. Which of the following cannot further inspect the attribute that is once applied?

12. To apply an attribute to an Assembly, the correct way of implementation is?

13. The correct method to pass parameter to an attribute is?

14. Which among the following is the correct form of applying an attribute?

15. Which among the following cannot be a target for a custom attribute?

16. Select the correct statement about Attributes used in C#.NET?

17. The correct way to apply the custom attribute called Employer which receives two arguements – name of the employee and employeeid is?

18. Which of the following is the correct statement about inspecting an attribute in C#.NET?

19. Attributes could be applied to

20. The [Serializable()] attributes gets inspected at:

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