Question Bank Adv .Net and Security in .Net Project

The Obsolete attribute, which is used to specify a method as obsolete, is provided with the .NET framework.

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Question Bank

Adv Net and Security in Net Project

1. The Obsolete attribute, which is used to specify a method as obsolete,

4. In NET, a dynamic link library is created by default when a project of

type console application is built

7. When a program is compiled into a release version, it has fewer

overheads and also executes faster compared to a debug version

[0.5]

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8. Windows DLLs have deployment problems like registering the DLL in

the Windows registry and versioning issues [0.5]

9. The code residing inside the Windows Dll is known as _

code as it has direct access to the memory

[0.5]

10 Symbol definition should occur the program [0.5]

11 The Win32 API consists of a set of dlls that contain the necessary

methods for invoking the system calls

[0.5]

12 The _ attribute is used to conditionally prevent or allow

execution of a block of code

[0.5]

13 An attribute in C# is a declarative tag, which can be used to provide

information to the runtime about the behaviour of the C# elements

such as classes only

[1.0]

14 Statement 1: An obsolete method executes as any normal method.

Statement 2: Specifying a method as obsolete makes the C# compiler

generate an error when the program is compiled

[1.0]

a) Statement 1 is true c) Statement 2 is true

b) Statement 1 is false d) Statement 2 is false

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15 Which of the following are the steps involved in creating an attribute? [1.0]

a) Enclose the attribute in square

brackets c) Multiple attributes for a singlemethod can be specified by

specifying them one afteranother just before themethod name or classelement they apply to

b) Pass any number of

parameters required to the

attribute within parenthesis

d) All of the above.

a) The DllImport attribute is used

to interoperate with code in

unmanaged and legacy

components

c) The methods contained

within Windows DLLs can becalled within C# programs using the DllImport attribute

b) The unmanaged code is the

code that has been generated

outside the NET environment

17 Which namespace has to be imported in applications for working with

legacy code?

[1.0]

a) System.Runtime.Services c) System.Services

b) System.InteropServices d) System.Runtime.InteropServices

18 Which of the following is true when the first parameter passed to

AttributeUsage attribute is AttributeTargets.All enumerator? [1.0]

a) The attribute can be applied

to any class element.

c) The attribute can be applied

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AttributeUsage attribute is AttributeTargets.Constructor enumerator? [1.0]

a) The attribute can be applied to

any class element

only to Enums

b) The attribute can be applied

only to constructors d) The attribute can be applied only to Modules

AttributeUsage attribute is AttributeTargets.Module enumerator? [1.0]

a) The attribute can be applied to

any class element

21 Statement 1: The AllowMultiple property for the AttributeUsage

attribute indicates whether the attribute may be applied to the same

item more than once

Statement 2: The Inherited property for the AttributeUsage attribute

indicates whether the attribute applied to a certain class or interface

applies to all inherited classes or interfaces

[1.0]

22 Which of the following is/are true regarding the AttributeUsage

a) If the Inherited property is

set to true, the attribute

applied to a certain class or

interface will be applied to

all inherited classes or

interfaces.

c) If the AllowMultiple property is set to false, the compiler will generate an error if the attribute is applied to the same item more than once.

b) If the Inherited property is set

to false, the attribute applied to

a certain class or interface will

d) If the AllowMultiple property

is set to true, the compiler will generate an error if the

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be applied to all inherited

classes or interfaces attribute is applied to the same item more than once

23 Statement 1: To read MetaData from a NET component, the assembly

is first loaded into the running process

Statement 2: Assembly.Load(assemblyName) is a static member

method of the Assembly namespace

[1.0]

a) The NET components expose

their MetaData through a

process known as Reflection

c) The classes necessary for

Reflection can be found in the Namespace

System.Reflection

b) Reflection covers the

various NET base classes

allowing finding out information

about the types in programs or

assemblies

25 Which of the following is/are true in relation with the features of

a) As assemblies are

Self-Describing, they do not

require registry keys.

d) The installation of one

application does have adverse effects on the other applications

b) Due to Versioning, each

assembly file reflects or

rather exposes the version

number to all NET

applications.

e) All of the above.

c) Installation of applications

are as simple as copying the

files from one directory to

another.

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26 Consider the snippet given below:

static void Main(string[] args)

Console.WriteLine("The attribute value is :" + ob.ToString());

Which of the following is/are true?

[1.5]

a) The code above will give a

compile time error

c) The code above will give a

run time error

b) The code above will display

the parameter value passed

to attribute existing in the

class AttrEx on console.

d) None of the above.

27 Consider the snippet below:

public class CoderAttribute : Attribute

{

private string cname;

public CoderAttribute(string cName){

this.cname =cName;

}}

Which of the following is/are true regarding the snippet?

[1.5]

a) It is mandatory for

CoderAttribute class to

inherit the Attribute class.

c) It is not necessary for the

CoderAttribute class to have

a constructor defined within it

b) Attribute class belongs to

the System namespace.

d) If the Coder attribute has a

single parameter of string type, then the CoderAttribute

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class can have a constructor with any number of string parameter.

28 Consider the snippet given below

a) The compiler appends the

string ‘Attribute’ to the name

CoderAttribute forming the

name CoderAttributeAttribute

c) CoderAttribute is the only custom attribute defined for the method

CalculateBonus.

b) The compiler does not

append the string ‘Attribute’

to the name but leaves the

name as CoderAttribute.

29 Which of the following snippet is correct for the class WriterAttribute

with the attribute “Writer” that can be applied only to the properties? [1.5]

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public class WriterAttribute : Attribute{

….

30 Which of the following is the correct syntax, if there are two attributes

associated with a method?

d) …

MethodName(AttributeName1(Parameters)

AttributeName2(Parameters))

[ //Method Implementation ]

a) A NET component is a

piece of executable code

d) The CLR can only execute code in assemblies.

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referred to as Assemblies.

b) An assembly is a collection

of all information required

by the runtime to execute

an application.

e) All of the above

c) An assembly can be only a

DLL file

32 Consider the snippet below:

[DllImport("Calculation.dll")]

public static extern int Addition(int a, int b);

static void Main(string[] args) {

int ans = Addition(5,2);

Calculation.dll must exist either

in the application directory or

System32 folder inside the

Windows installation directory

d) The Addition method,

imported from the Calculation.dll, takes in two integer parameters and returns the result as an integer

b) The DLL to import is passed

as the parameter to the

DllImport attribute

e) The extern keyword in the

declaration of imported method is necessary for using any external methods residing in Dlls

c) All of the above.

a) An assembly that has been

compiled into a PE file has

an extension of exe.

d) The assembly handles versioning and security permissions.

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b) The *.exe file in .NET

Framework is the same as a

standalone executable created

by a C++ compiler

c) The PE assembly consists of

code in the form of IL that

requires the NET platform to

be installed on the system in

a) The Conditional attribute

marking the Msg() method

ensures that the Msg()

method will be used only in

debug versions of the

solution.

d) The compiler will not

generate an error if the method Msg() does not return a void

b) The calls to the Msg()

method from anywhere in

the code in the release

version will not be

entertained.

c) The Msg() method is not called

in the Release version, but

compile time errors are thrown

35 Which of the following is/are true regarding the conditional attribute? [2.0]

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a) It can only be applied to a

complete method as a unit.

c) If the condition is met, the compiler ignores any lines

of code anywhere else in the source file that calls up the method.

b) If the condition is not met,

the compiler will not compile

the code for the method.

37 Statement 1: Attributes can also be applied to individual arguments of

a method

Statement 2: Attribute name can be declared anywhere with respect to

the definition of the item in the code

[2.0]

38 Which of the following statements is/are true regarding the attribute

DllImport?

Statement 1: It is used to mark a method as being defined in an

external Dll rather than in any assembly

Statement 2: It is used to mark a method as being defined in any

assembly

[2.0]

b) Statement 1 is false d) Statement 2 is false

39 Which of the following is/are true regarding the Conditional attribute? [2.0]

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a) Any method that returns a

void can be marked with it.

d) It is used to mark a method

as being defined in anexternal Dll

b) It is used to give conditional

compilation.

c) It can be used for debug

builds.

40 Which of the following is/are true regarding Reflection?

Statement 1: It allows finding out information about the types in

programs or assemblies

Statement 2: It can be used to read meta data from assembly

manifests

[2.0]

41 Which of the following is/are true?

Statement 1: The Assembly class allows access to the metadata for a

given assembly

Statement 2: The Assembly class provides methods to allow execute

an assembly, which is an executable file

[2.0]

42 Which of the methods is/are used to load the corresponding assembly

into the running process?

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a) The above method runs if a

debug build takes place c) It gives error during compilation

b) It is an obsolete method d) On using the method the

compiler generates a warning.

…

class ExClass

{

[Conditional(“Using42.dll”)]

public static extern int MessageBox(int hparent, string

Message, string caption, int type);

b) The code above compiles

successfully

d) The MessageBox() API

function is defined in Using42.dll

45 Which of the following is/are true regarding the windows API function

a) While using the DllImport

attribute, the declaration of the

d) The fourth parameter of the

method if set to 0, ensures

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method MessageBox must

contain the keyword extern that the message box has a button OK

b) The second parameter of the

method indicates a string or

message to be displayed

e) All of the above

c) The third parameter of the

method indicates a caption to

be displayed in title bar

a) The Assembly.GetTypes()

returns an array of type

System.Type containing objects

that contain the details of all the

types defined in the assembly.

d) The

Assembly.GetAttributes()

is used to get the customattributes attached to an assembly

b) The Assembly.GetTypes() is used

to return an array of System.Type

references that contains details of

only one type

used to indicate the items

that the custom attribute can

be applied to.

c) An attribute applied to an

assembly can be placed anywhere in the code but need not be marked with the keyword assembly

b) An attribute can be applied

to an assembly as a whole

instead of to an element in

the code.

d) An attribute applied to an assembly can be placed anywhere in the code but must be marked with the

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keyword assembly.

a) Assemblies include metadata

such as the types exported

from the assembly and a

manifest

c) NET allows different

versions of the same assembly to be used in a single process

b) The version of a referenced

assembly is stored in the

manifest of the assembly

49 Statement 1: Application Domains allow applications to run

independently inside a single process

Statement 2: Application Domains do not allow applications to run

independently inside a single process

[2.5]

50 Statement 1: Private assemblies require registration and versioning.

Statement 2: Private assemblies can have versioning problems, which

need to be addressed during development time

Statement 3: Windows 2000 introduced the side-by-side feature that

allows different versions of the same DLL to be used on a system

[2.5]

a) Only statements 1 and 2 are

true c) Only statements 2 and 3 are true.

b) Only statements 1 and 3 are

true

d) None of the above

statements is true

51 An assembly can exist completely within a single file or can span

across multiple files

[0.5]

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52 The .NET metadata is a collection of information existing in

_ form inside a Portable Executable file [0.5]

53 In Global Assembly Cache, two assemblies with the same name but

different versions can exist

55 The files that contain only IL code are known as _ [0.5]

56 Splitting the code across various modules enables the .NET cross

58 The _ utility comes along with the .NET framework SDK.

This utility is used to create resource files

[0.5]

59 The Image class belongs to the namespace [0.5]

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63 Which of the following is/are the part(s) of an assembly? [1.0]

c) MSIL Code

64 Statement 1: Version numbers for an assembly are set in the

Asembly.cs file that accompanies the project

Statement 2: The ILDASM tool can be used to view the assembly

version number being written into the assembly manifest

[1.0]

65 Which of the following can be found in an assembly version number? [1.0]

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b) Minority d) Build

66 Statement 1: Strong or unique name must be generated for each and

every shared assembly created

Statement 2: In case of a shared assembly, the assembly file is copied

into the applications directory

[1.0]

a) The gacutil.exe can be used

to install and uninstall

assemblies from the GAC

using the command line.

c) The gacutil.exe can be used to list assemblies on the GAC using the command line.

b) Private assemblies can be

shared across different

applications

a) The GAC is a cache for

Assemblies.

c) GAC physically is a directory or a folder.

b) Private assemblies need to be

stored in GAC

69 Which of the command line options is used to get information

regarding the assemblies residing in the native image cache?

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class is used to get the resource names?

a) GetManifestResourceNames(

)

c) GetResources()

b) GetResourceNames() d) GetManifestNames()

71 Statement 1: The return type for the GetObject() method is Object.

Statement 2: The return type for the GetObject() method is Int32

[1.0]

b) ResourceWriter class allows

resources up to 4 Gigabytes

d) ResourceWriter class allows

adding only pictures files to

an assembly

73 Consider the syntax of resgen utility below:

Resgen sub.txt sub.resX

74 Statement 1: Modules written in different languages like C#, VB.NET

and JScript.NET can be clubbed into a single assembly

Statement 2: Modules written in different languages such as C#,

[1.0]

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VB.NET and JScript.NET cannot be clubbed into a single assembly.

75 Which of the following is/are true regarding the assembly version

a) Change in the major number

indicates that the assembly

is incompatible with the

previous versions of that

assembly.

d) Change in the build number indicates that a very minor change has been made to the assembly.

b) Change in the minor number

indicates that the assembly is

compatible with the previous

versions of that assembly

e) All of the above

c) Change in the revision

number indicates that the

assembly maybe compatible

with previous versions of

that assembly.

a) Resources can exist either

as part of the NET assembly

or as a separate file.

d) The .NET modules contain

the Type Metadata only

b) The .NET modules contain

the Type Metadata and the IL

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a) Lists the assemblies from the

GAC c) Uninstalls the specifiedassembly on the GAC

b) Installs the specified assembly

on the GAC

d) Uninstalls the assembly from the native image cache

a) Modules can contain

manifests but no assembly

metadata inside the

manifest.

d) A web browser can get the repeatedly requested data from the cache rather than the original server.

frequently used information.

ResourceWriter rw = new ResourceWriter("sub.resources");

using(Image img = Image.FromFile("face.jpg"))

a) An instance of Image class is

created in a using statement

d) FileNotFound exception is

thrown if the image fileface.jpg is not present in theapplications directory

b) The object img of the Image

class will be disposed once the

execution reaches the end of

the using construct

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c) If the file sub.resources does

not exist, an exception is

generated

80 Consider the code below that uses the namespace Ex2 with the

resource file sub

Assembly ass = Assembly.GetExecutingAssembly();

ResourceManager resman=new ResourceManager("Ex2.sub",

d) Error is generated due to the

wrong syntax of instantiating

a ResourceManager object

b) System.Resources

namespace has to be

imported.

c) Text property of the Label

label1 is set with the value

referred by the key

corresponding resource file.

a) There is a need to make an

assembly a shared assembly

to use it in more than one

application

d) The sn.exe makes use of

various cryptographic orencryption algorithms

b) Shared assembly must not

have naming clashes with

other assemblies

c) The sn.exe is the utility to

make a unique identifier

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across the entire system for

c) Uninstalls the specified

assembly on the GAC

b) Installs the specified

assembly on the GAC d) Uninstalls the assembly fromthe native image cache

a) The Global Assembly Cache is

a part of Native Image Cache

d) Ngen.exe utility is used to install an assembly onto the Native Image Cache.

b) The Native Image Cache

stores assemblies in their

native machine independent

native code

c) GAC stores assemblies in IL

b) Installs the specified assembly

on the GAC d) Uninstalls the assembly fromthe native image cache

85 Which of the following is/are the part(s) of manifest of an assembly? [2.0]

a) A list of referenced

assemblies

d) Exported types included from

a module

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b) A set of permission requests e) All of the above.

c) A list of files belonging to this

assembly

86 Statement 1: The reflection mechanism can use the information about

the exported types for late binding to classes

Statement 2: Type-library can be easily generated out of manifest for

the use of COM clients

[2.0]

b) Statement 1 is false d) Statement 2 is false

87 Which of the following is/are true regarding modules? [2.0]

a) They are only loaded when

needed.

d) They can be used for slower

startup of assemblies

b) They are DLLs without

assembly attributes e) All of the above.

c) Usually they do not have

assembly metadata and

have no version information

present within it.

88 Which of the following namespaces has/have classes that can be used

for the assembly attributes arguments?

[2.0]

a) System.Reflection c) System.Reflection.InteropServices

b) System.Runtime.Compiler

89 Statement 1: An assembly can use a resource, not embedded within a

DLL file, by referencing through assembly metadata

Statement 2: An assembly metadata can be used to reference

a netmodule file

[2.0]

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a) The attribute, [assembly] is

a global attribute c) The attribute, [module] is a global attribute.

b) The attribute, [import] is a

global attribute

d) Global attributes are not attached to a specific language element.

a) Manifest must contain list of

files belonging to an

assembly

c) A single assembly can

contain any number of files

b) A single assembly must have

at least one file

92 Statement 1: Manifest is a part of metadata that describes the

assembly with all information needed to reference it

Statement 2: Manifest consists of identity name, culture and version

but no public key

[2.0]

93 Which of the following is/are true regarding integrity using strong

a) When creating a shared

component, a public /private

key pair must be used.

d) The strong name utility generates a public/private key pair.

b) The private key is stored

within the assembly e) All of the above.

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c) The compiler usually writes

public key to the manifest.

94 Which of the following is/are returned by the FullName property of

a) The name of the class d) The public key token of the

class

b) The version of the class e) All of the above.

c) The locality of the class.

[assembly: AssemblyVersion(“1.0.*”)]

[2.5]

a) The above code generates

b) The major version is 1 d) The build and revision

numbers are auto generated.

a) After compiling the assembly

to native code, the original

assembly with the MSIL code

can be deleted

d) An assembly stored on the Native Image Cache executes faster.

b) The native code will be

rebuilt if the security

changes on the system.

e) All of the above

c) By using the native image

generator Ngen.exe, IL code

is compiled to native code

at the time of installation.

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97 Which of the following is/are true regarding assemblies? [2.5]

a) Private assemblies will be

used when applications and

components are built within

the same company.

d) Private assemblies will be

used to build assemblieswhen the component is built

by a different vendor thanthe application

b) Shared assemblies will be

used when the component

is built by a different vendor

than the application.

c) Shared assemblies will be

used when a large

application is split into

99 Which of the following is/are true regarding GAC? [2.5]

a) Shared assemblies can be

installed in GAC d) When .NET componentswithin HTML pages are

downloaded to the client, itstores assemblies in GAC

b) Private assemblies can be

installed in GAC e) All of the above.

c) The compiled native code

goes into GAC if a private

assembly is compiled to native

code using the native image

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100 Which of the following are true regarding assemblies? [2.5]

a) A private assembly can exist

in the same directory as the

application.

d) A single namespace can spread across various assemblies.

b) A private assembly cannot

exist within one of the

subdirectories of the

application

c) Different namespaces can

exist in a single assembly.

101 .NET can be thought of as a component technology similar to COM [0.5]

102 The is an acronym for Type Library Export [0.5]

103 Visual Studio .NET while generating a wrapper for the COM

component creates a namespace with a different name than the COM

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105 Runtime Callable Wrapper is a NET assembly [0.5]

107 Regarding the lifetime of the RCW, exactly one copy of the RCW

object is created irrespective of the number of clients requesting the

same COM component

[0.5]

108 A non-.NET client can call NET components by referring to them once

109 The _ utility is used to convert a COM Type Library into a NET

110 _ is the wrapper object created when a NET component is

111 CCW object(s) is/are created for a managed .NET

component irrespective of the number of COM clients trying to access

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to the same NET Component.

113 Statement 1: COM components manage the lifetime of their object by

reference counting whereas in NET, the CLR manages the lifetime of

the object

Statement 2: Marshalling of data is taken care of by RCW

[1.0]

114 Which of the following is/are the way(s) in which COM and NET

components differ?

[1.0]

a) COM components use

interfaces whereas .NET

clients use reflection to

learn about the functionality

of the object.

c) The .NET components

manage their lifetimewhereas the CLR managesthe lifetime for COMcomponents

b) COM components use

reflection whereas .NET

clients use interfaces to learn

about the functionality of the

object

d) COM components manage their lifetime whereas the CLR manages the lifetime

in NET.

115 Statement 1: The .NET client talks to a COM component directly

without any RCW interface

Statement 2: Type casting of data types is taken care of by RCW

[1.0]

a) Statement 1 is true c) Statement 2 is true.

b) Statement 1 is false d) Statement 2 is false.

116 Which of the following is/are true regarding calling a COM component

from NET?

[1.0]

a) Visual Studio.net creates a namespace with the same name

as the COM component within which all the classes and

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interfaces exist.

b) Objects of the COM wrapper can be created using the

namespace created by Visual Studio.net.

c) Objects of the COM wrapper cannot be instantiated using the

namespace created by Visual Studio.net

d) Objects of the COM wrapper cannot be referenced using the

namespace created by Visual Studio.net

117 Statement 1: Interoperability between NET and COM is achieved by

creating a proxy class for every COM component that the NET client

tries to access

Statement 2: The proxy talks directly to the COM component, and not

to the NET client

[1.0]

a) COM provides language independent code re-use.

b) A COM component exposes its functionality through a set of

standard interfaces that a COM client uses to communicate

c) A COM component with its GUID needs to be registered in the

Windows registry

119 Which of the following is/are true regarding the deployment of NET

application that refers to a COM component?

[1.0]

a) The deployment of only RCW and the client is not sufficient.

b) The deployment of only RCW and the client is sufficient.

c) The COM component must also be registered on the

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d) The COM component need not be registered on the machine.

120 Statement 1: The RCW maintains pointers to the interface of the COM

object it wraps

Statement 2: The RCW releases its reference on the COM object

when it is no longer used

[1.0]

121 Which of the following is/are true regarding CCW and RCW? [1.0]

a) The CCW is COM Clearable

to the COM environment.

122 Which of the following is the syntax for using the RegAsm utility on the

123 Statement 1: In order to call a NET component from a COM client,

one needs to register the assembly using the RegAsm utility first and

then export a type library from the components manifest using the

TlbExp utility

Statement 2: In order to call a NET component from a COM client

one needs to register only the assembly using the RegAsm utility

[1.0]

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124 Which of the following utility ventures into the assembly’s metadata

and manifest and outputs a corresponding COM type library with an

extension TLB?

[1.0]

125 Which of the following is true regarding CCW? [1.5]

a) It is created when a .NET

component is called from

COM

d) It acts as a proxy between

the COM component and the.NET client

b) It is generated by runtime that

reads the metadata

information within the

assembly

c) It bridges the gap between the

two environments COM

b) RegAsm.exe is used to

register a NET class in the

windows registry so that

COM clients can access it.

c) RegAsm.exe is not used to

unregister a NET component

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127 Which of the following is/are true? [1.5]

a) The RCW manages the

pointer locations by making a

cache of pointers

d) RCW acts as a mediator

to NET client and the COMcomponent

b) The RCW object is allocated

on the heap by the CLR

c) The CLR performs the

automatic garbage collection

of the RCW once it has been

de-referenced

128 Statement 1: COM components return a memory pointer to an object.

Statement 2: COM components must reside in the same memory

location throughout the lifetime of the object

Statement 3: .NET objects can shift between virtual and physical

memory freely as and when either becomes more available

[1.5]

a) Only statement 1 is true d) Only statement 1 and 3 are

true

b) Only statement 2 is true e) Statements 1, 2, 3 are true.

c) Only statement 1 and 2 are

true

129 Which of the following is/are the way(s) in which COM components

differ from the NET components?

[1.5]

a) Lifetime of the object c) Memory Usage.

b) Interfaces vs Reflection d) All of the above.

130 Statement 1: The process of reflection exposes the type information

stored in the form of Metadata in RCW

Statement 2: The process of reflection helps Visual Studio.net in

reading the type information of RCW to provide the IntelliSense

[1.5]

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131 Consider a method of a COM component to be called by the NET

client that takes in a string parameter Which of the following is/are the

type(s) that RCW marshals before passing the call to the COM

created by Visual Studio.net

in the applications directory.

d) The RCW type information

is marshaled from COM types into NET types and then written into the assembly.

b) The RCW contains business

logic

e) Marshalling is the process

of converting data from one type to another.

c) RCW does not contain the

type information of the

elements contained within the

COM component

a) The NET code executes in an

execution environment

managed by the NET CLR

d) NET exposes the classes

and methods in an assemblyusing metadata andreflection

b) COM code executes in an

unmanaged environment

c) COM exposes its classes and

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methods through interfaces.

134 Which of the following is/are true regarding COM components? [1.5]

a) It is uniquely identified by a

128-bit GUID d) provides cross-languageinheritance

b) It has to be registered in the

Windows registry with the

GUID.

c) It provides cross-language

code re-use capability.

135 Statement 1: Microsoft provides tools in the NET SDK for generating

COM proxies for NET components

Statement 2: Microsoft provides tools in the .NET SDK for

generating NET proxies for COM components

[2.0]

136 Statement 1: COM components can be difficult to code.

Statement 2: COM components are very easy to deploy

[2.0]

137 Which of the following are the binding techniques used by the NET

clients to determine the memory addresses of the methods and

properties of COM objects

[2.0]

Trang 37

138 Statement 1: Once a COM dll is located through the references dialog

box and added to the list of COM references, the COM component

can be used in the NET code

Statement 2: VS.NET creates a namespace bearing the same name

as the original COM component but the classes provided by that COM

component are not placed within that namespace

[2.0]

139 Which of the following is/are true regarding the options of type library

importer provided by NET SDK?

a) The option /verbose displays

command syntax and options

for the tool

suppresses the display of successful messages.

[2.0]

b) The option /? displays

additional information about

the imported type library

140 Statement 1: VS.NET creates a wrapper not only for every COM DLL

that is imported but also for every COM DLL that the imported COM

DLL references in its public interface

Statement 2: VS.NET creates a wrapper only for COM DLL that is

imported but not for every COM DLL that the imported COM DLL

references in its public interface

[2.0]

141 Statement 1: The NET assemblies require less runtime support than

COM components

Statement 2: The NET assemblies require more runtime support than

COM components

[2.0]

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142 Statement 1: A single NET client can simultaneously reference

component projects in several different NET languages

Statement 2: A single .NET client can simultaneously reference

component projects only in same NET language

[2.0]

a) The utility RegAsm can

register a .NET component

with COM services

c) The utility TlbExp can be

used to export a COM type library for the client and reference it from the non-.NET languages

b) The utility TlbExp can be used

to interrogate an assembly’s

manifest

d) All of the above are true.

144 Which of the following is/are true when a reference is added to the

COM DLL using references dialog in VS.NET?

[2.5]

a) A .NET proxy component is

generated for it and its copy is

placed in the .NET projects

Tiêu đề	Question Bank Adv .Net and Security in .Net Project
Trường học	Standard University
Chuyên ngành	Adv .Net and Security
Thể loại	Question Bank

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