php mcq questions with answers


                                


Which of the following statements are correct about inspecting an attribute in C#.NET?



    

  1. An attribute can be inspected at link-time.

    2. 

  2. An attribute can be inspected at compile-time.

    3. 

  3. An attribute can be inspected at run-time.

    4. 

  4. An attribute can be inspected at design-time.

    5. 





                                
A.1, 2
B.3, 4
C.1, 3, 4
D.All of the above
E.None of the above
                              
Click To Show Ans:A

                        
                                
Which of the following statements are correct about Attributes used in C#.NET?
                                
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.
                              
Click To Show Ans:E

                        
                                
Which of the following forms of applying an attribute is correct?
                                
A.< Serializable() > class sample
{ /* ... */ }
B.(Serializable()) class sample
{ /* ... */ }
C.[ Serializable() ] class sample
{ /* ... */ }
D.Serializablef) class sample
{ /* ... */ }
E.None of the above
                              
Click To Show Ans:C

                        
                                


Which of the following statements are correct about Attributes in C#.NET?



    

  1. On compiling a C#.NET program the attibutes applied are recorded in the metadata of the assembly.

    2. 

  2. On compilation all the attribute's tags are deleted from the program.

    3. 

  3. It is not possible to create custom attributes..

    4. 

  4. The attributes applied can be read from an assembly using Reflection class.

    5. 

  5. An attribute can have parameters.

    6. 





                                
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
                              
Click To Show Ans:C

                        
                                
Which of the following correctly describes the contents of the filename AssemblyInfo.cs?
                                
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.
                              
Click To Show Ans:C