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- Question
Which of the following statements are correct about Attributes used in C#.NET?
Options- A. If there is a custom attribute BugFixAttribute then the compiler will look ONLY for the BugFix attribute in the code that uses this attribute.
- B. To create a custom attribute we need to create a custom attribute structure and derive it from System.Attribute.
- C. To create a custom attribute we need to create a class and implement IAttribute interface in it.
- D. If a BugFixAttribute is to receive three parameters then the BugFixAttribute class should implement a zero-argument constructor.
- E. The CLR can change the behaviour of the code depending upon the attributes applied to it.
- Correct Answer
- The CLR can change the behaviour of the code depending upon the attributes applied to it.
- 1. Which of the following forms of applying an attribute is correct?
Options- A.
< Serializable() > class sample { /* ... */ } - B.
(Serializable()) class sample { /* ... */ } - C.
[ Serializable() ] class sample { /* ... */ } - D.
Serializablef) class sample { /* ... */ } - E. None of the above Discuss
- 2. Which of the following statements are correct about inspecting an attribute in C#.NET?
- An attribute can be inspected at link-time.
- An attribute can be inspected at compile-time.
- An attribute can be inspected at run-time.
- An attribute can be inspected at design-time.
Options- A. 1, 2
- B. 3, 4
- C. 1, 3, 4
- D. All of the above
- E. None of the above Discuss
- 3. Which of the following correctly describes the contents of the filename AssemblyInfo.cs?
Options- A. It contains method-level attributes.
- B. It contains class-level attributes.
- C. It contains assembly-level attributes.
- D. It contains structure-level attributes.
- E. It contains namespace-level attributes. Discuss
- 4. Which of the following statements are correct about Attributes in C#.NET?
- On compiling a C#.NET program the attibutes applied are recorded in the metadata of the assembly.
- On compilation all the attribute's tags are deleted from the program.
- It is not possible to create custom attributes..
- The attributes applied can be read from an assembly using Reflection class.
- An attribute can have parameters.
Options- A. 1 and 2 only
- B. 2 and 4 only
- C. 1, 4 and 5 only
- D. All of the above
- E. None of the above Discuss
- 5. Which of the following are correct ways to specify the targets for a custom attribute?
Options- A. By applying AttributeUsage to the custom attribute's class definition.
- B. By applying UsageAttribute to the custom attribute's class definition.
- C. Once an attribute is declared it applies to all the targets.
- D. By applying AttributeUsageAttribute to the custom attribute's class definition.
- E. None of the above. Discuss
- 6. Which of the following is the correct way to apply an attribute to an Assembly?
Options- A. [ AssemblyDescription("DCube Component Library") ]
- B. [ assembly : AssemblyDescription("DCube Component Library") ]
- C. [ Assemblylnfo : AssemblyDescription("DCube Component Library") ]
- D. < Assembly: AssemblyDescription("DCube Component Library") >
- E. (Assembly: AssemblyDescription("DCube Component Library")) Discuss
- 7. Which of the following are correct ways to pass a parameter to an attribute?
- By value
- By reference
- By address
- By position
- By name
Options- A. 1, 2
- B. 1, 2, 3
- C. 4, 5
- D. All of the above Discuss
- 8. It possible to create a custom attribute that can be applied only to specific programming element(s) like ____ .
Options- A. Classes
- B. Methods
- C. Classes and Methods
- D. Classes, Methods and Member-Variables Discuss
- 9. If a base class and a derived class each include a member function with the same name, the member function of the derived class will be called by an object of the derived class
Options- A. True
- B. False Discuss
- 10. Private members of base class cannot be accessed by derived class member functions or objects of derived class.
Options- A. True
- B. False Discuss
Attributes problems
Search Results
Correct Answer:
[ Serializable() ] class sample
{ /* ... */ }Correct Answer: 1, 2
Correct Answer: It contains assembly-level attributes.
Correct Answer: 1, 4 and 5 only
Correct Answer: By applying AttributeUsageAttribute to the custom attribute's class definition.
Correct Answer: [ assembly : AssemblyDescription("DCube Component Library") ]
Correct Answer: 4, 5
Correct Answer: Classes and Methods
Correct Answer: True
Explanation:
This is because the member functions are always searched in the derived class and then in the base class.
Correct Answer: True
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