ainfoera.com – MCQs, Mock Tests

1 The compiled version of a VC#.NET program will be in_______________.

A Machine code B IL code C Byte code D None of these

✅ Correct Answer: 1

2 The purpose of JIT compiler is to convert____________.

A VC#.NET source code IL code B IL code to byte code C IL code to managed native code D None of These

✅ Correct Answer: 2

3 The Garbage Collection solves_____________.

A Memory leakage problem B DLL hell problem C both (a) and (b) D None of These

✅ Correct Answer: 1

4 The code that requires the CLR at runtime for the execution is known as the ________.

A IL code B Managed code C Binary code D One of these

✅ Correct Answer: 2

5 Which one of the following JIT compilers produce highly optimized code?

A Econo JIT B Standard JIT C Pre JIT D None of these

✅ Correct Answer: 2

6 The VC#.NET language________________.

A Solves the memory leakage problems. B Solves the DLL hell problems. C Has very good correspondence with the IL language. D All of the above

✅ Correct Answer: 2

7 Home page in VS.NET is also known as__________.

A Default page B Start page C First page D Welcome page

✅ Correct Answer: 2

8 The ______________ enables to move through the code very quickly.

A Class view window B Solution explorer window C Code window D None of These

✅ Correct Answer: 3

9 In VC#.NET project files are grouped into a _____________.

A Workspace B Namespace C Solution D Package

✅ Correct Answer: 3

10 Which one of the following statements about code debugging is correct?

A Debugger helps us to step through our code, one line at a time. B Breakpoints can be set by pressing F9 function key. C Breakpoints can be set by left-clicking in the left margin area at the line where we want to set the breakpoint. D a, b and c are correct.

✅ Correct Answer: 1

11 The arrays involved in a jagged array__________

A Should be of same size. B May be of different sizes C Are not known as subarrays. D None of these

✅ Correct Answer: 2

12 The parameters of a method __________.

A Help us to pass information to a method. B Help us to get information from a method. C Help us to pass information to and from a method. D None of these

✅ Correct Answer: 3

13 The ref type parameters are____________.

A Input onlyâ€ parameters. B Input / Outputâ€ parameters. C Output onlyâ€ parameters. D None of these

✅ Correct Answer: 2

14 The out type parameters can be used_______________.

A Only to pass back a result to the calling functions. B Only to send information to the called function. C To pass data to the called method and receive information from the called method. D None of these

✅ Correct Answer: 1

15 In case of the Params type parameter____________.

A Only output can be sent. B The number of arguments is variable. C Both input and output can be handled. D None of these

✅ Correct Answer: 2

16 An instance class member is referred by using the format____________.

A Object name. Class member name. B Class name. Class member name. C Object name. Class member name or class name. class member name. D None of these

✅ Correct Answer: 1

17 Overloaded constructors will have________.

A Different names B Different parameter lists C Different return types D none of these.

✅ Correct Answer: 2

18 A static constructor_____________

A Is executed when the class is loaded. B Can be accessed through an object name. C Can be executed any number of times. D Can have its own destructor.

✅ Correct Answer: 1

19 A property_____________

A Should have a get method. B Should have a put method. C Should have both get and put methods. D Should have either a get method or put method.

✅ Correct Answer: 1

20 An indexer________________.

A Enables us to access a property through index. B Can have user-defined name. C Is identified by its name. D Cannot be overloaded.

✅ Correct Answer: 1

21 A namespace can contain___________.

A Classes B Namespaces C Classes and namespaces D None of these

✅ Correct Answer: 1

22 The alias should have

A Improve the readability of the code. B Avoid name clashes. C Saves you typing out very long strings. D All the above.

✅ Correct Answer: 4

23 In the case of a component,

A Reusability is possible. B Code will be in IL format. C The extension is dll. D All of the above

✅ Correct Answer: 4

24 In the case of access modifiers___________.

A Private and protected access modifiers can be specified for a class. B Public access modifier can be specified for a class. C The scope of the internal access modifier is the namespace. D None of these

✅ Correct Answer: 4

25 The size of integer is___________.

A 8 bits B 16 bits C 32 bits D 64 bits

✅ Correct Answer: 1

26 An instance of a value type variable is allocated memory on_______.

A Stack B Heap C Both a&b D None of these

✅ Correct Answer: 1

27 An instance of a reference type variable is allocated memory on_______.

A Stack B Heap C Both a&b D None of these

✅ Correct Answer: 2

28 ________________ access modifier is applied to a method or a data member, it can beaccessed by all classes in the same namespace and derived class in other namespace.

A Public B Protected C Internal D Protected internal

✅ Correct Answer: 4

29 The first type of streams is specially used to represent _________

A Binary data B text C data D derived

✅ Correct Answer: 2

30 The second type of streams is used to represent __________

A Data B text C binary data D derived

✅ Correct Answer: 4

31 All IO classes that represent streams are derived from the ______ class.

A Data B Stream C another D none

✅ Correct Answer: 2

32 The stream class has been designed to provide functional features for ________ and__________.

A Creating, manipulating B displaying, manipulating C Creating, displaying D printing, creating

✅ Correct Answer: 1

33 The file steam class is designed specifically for reading and writing_______________ files.

A Class files B binary data C program D none

✅ Correct Answer: 2

34 A buffer is a block of bytes in memory used to ___________

A Class data B binary data C cache data D data

✅ Correct Answer: 3

35 The Buffered Stream class is a ________ of the Stream class.

A Base class B binary class C Derived class D class

✅ Correct Answer: 3

36 The text files are helpful in __________ and ____________ textual data.

A Storing, displaying B storing, retrieving C Retrieving, displaying D displaying, retrieving

✅ Correct Answer: 2

37 A machine on a network is called ________

A Node B data C address D store

✅ Correct Answer: 1

38 The node is also called as ______________

A Data B class C host D cache

✅ Correct Answer: 3

39 The various possible values of dock property are_________

A TOP, Left B Fill, right C Side, upright D Both (a) and (B)

✅ Correct Answer: 4

40 The ADO.NET provides greater case of ___________

A Programming B higher dependency C Improve data source D Both (a) and (b)

✅ Correct Answer: 4

41 Only ___________ amount of processing time is needed for data conversion.

A Large B small C none D allocated time

✅ Correct Answer: 2

42 A Managed provider can be considered as a set of objects that mediate between a_____________ and ___________

A Data source B VB.NET program C data D both (a) and (b)

✅ Correct Answer: 4

43 The main ASP.NET page class is derived from the ____________ class

A Page B base C derived D main

✅ Correct Answer: 1

44 We can attach _________ validation control to an input control

A One B less than one C more than one D almost one

✅ Correct Answer: 3

45 The validation control has ____________ control.

A Up level B down level C both D bottom level

✅ Correct Answer: 3

46 The up level browser will perform validation on the client, using the _________ and____________

A HTML, ASP B DHTML, java script C Both (a) and (b) D none

✅ Correct Answer: 2

47 For client-side custom validation, the name of the custom function must be identified in the______________ function property

A Client Validation B on client validation C On server validation D server validation

✅ Correct Answer: 1

48 For server-side custom validation, the name of the custom function must be identified in the______________ function property

A Client Validation B on client validation C On server validation D server validation

✅ Correct Answer: 3

C — Learn