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Exam : Microsoft 70-552(C++)
Title : UPGRADE:MCAD Skills to MCPD Wdws Dvlpr by Using MS .NET Fmwk


1. You are developing a server application that will transmit sensitive information on a network. You create an X509Certificate object named certificate and a TcpClient object named client. You need to create an SslStream to communicate by using the Transport Layer Security 1.0 protocol. Which code segment should you use?
A. SslStream^ ssl = gcnew SslStream(Client->GetStream());ssl->AuthenticateAsServer(certificate, false, SslProtocols::None, true);
B. SslStream ^ssl = gcnew SslStream(Client->GetStream());ssl->AuthenticateAsServer(certificate, false, SslProtocols::Ssl3, true);
C. SslStream ^ssl = gcnew SslStream(Client->GetStream());ssl->AuthenticateAsServer(certificate, false, SslProtocols::Ssl2, true);
D. SslStream ^ssl = gcnew SslStream(Client->GetStream());ssl->AuthenticateAsServer(certificate, false, SslProtocols::Tls, true);
Answer: D

2. You are developing a method to call a COM component. You need to use declarative security to explicitly request the runtime to perform a full stack walk. You must ensure that all callers have the required level of trust for COM interop before the callers execute your method. Which attribute should you place on the method?
A. [SecurityPermission( SecurityAction::Demand, Flags=SecurityPermissionFlag::UnmanagedCode)]
B. [SecurityPermission( SecurityAction::LinkDemand, Flags=SecurityPermissionFlag::UnmanagedCode)]
C. [SecurityPermission( SecurityAction::Assert, Flags = SecurityPermissionFlag::UnmanagedCode)]
D. [SecurityPermission( SecurityAction::Deny, Flags = SecurityPermissionFlag::UnmanagedCode)]
Answer: A

3. You create a DirectorySecurity object for the working directory. You need to identify the user accounts and groups that have read and write permissions. Which method should you use on the DirectorySecurity object?
A. the GetAuditRules method
B. the GetAccessRules method
C. the AccessRuleFactory method
D. the AuditRuleFactory method
Answer: B

4. You are changing the security settings of a file named MyData.xml. You need to preserve the existing inherited access rules. You also need to prevent the access rules from inheriting changes in the future. Which code segment should you use?
A. FileSecurity^ security = gcnew FileSecurity("mydata.xml",AccessControlSections::All);security->SetAccessRuleProtection(true, true);File::SetAccessControl("mydata.xml", security);
B. FileSecurity^ security = gcnew FileSecurity();security->SetAccessRuleProtection(true, true);File::SetAccessControl("mydata.xml", security);
C. FileSecurity^ security = File::GetAccessControl("mydata.xml");security->SetAccessRuleProtection(true, true);
D. FileSecurity^ security = File::GetAccessControl("mydata.xml");security->SetAuditRuleProtection(true, true);File::SetAccessControl("mydata.xml", security);
Answer: A

5. You are developing an application that will deploy by using ClickOnce. You need to test if the application executes properly. You need to write a method that returns the object, which prompts the user to install a ClickOnce application. Which code segment should you use?
A. return ApplicationSecurityManager::ApplicationTrustManager;
B. return AppDomain::CurrentDomain::ApplicationTrust;
C. return gcnew HostSecurityManager();
D. return SecurityManager::PolicyHierarchy();
Answer: A

6. You need to write a code segment that will add a string named strConn to the connection string section of the application configuration file. Which code segment should you use?
A. System::Configuration::Configuration^ myConfig = ConfigurationManager::OpenExeConfiguration( ConfigurationUserLevel::None);myConfig->ConnectionStrings->ConnectionStrings->Add( gcnew ConnectionStringSettings("ConnStr1", strConn));myConfig->Save();
B. System::Configuration::Configuration^ myConfig = ConfigurationManager::OpenExeConfiguration( ConfigurationUserLevel::None);myConfig->ConnectionStrings->ConnectionStrings->Add( gcnew ConnectionStringSettings("ConnStr1", strConn));ConfigurationManager::RefreshSection("ConnectionStrings");
C. ConfigurationManager::ConnectionStrings::Add( gcnew ConnectionStringSettings("ConnStr1", strConn));ConfigurationManager::RefreshSection("ConnectionStrings");
D. ConfigurationManager::ConnectionStrings::Add( gcnew ConnectionStringSettings("ConnStr1", strConn));System::Configuration::Configuration^ myConfig = ConfigurationManager::OpenExeConfiguration( ConfigurationUserLevel::None);myConfig->Save();
Answer: A

7. You are writing code for user authentication and authorization. The username, password, and roles are stored in your application data store. You need to establish a user security context that will be used for authorization checks such as IsInRole. You write the following code segment to authorize the user.
if (!TestPassword(userName, password))
throw new Exception("could not authenticate user");
String[] userRolesArray = LookupUserRoles(userName);
You need to complete this code so that it establishes the user security context. Which code segment should you use?
A. GenericIdentity ident = new GenericIdentity(userName);GenericPrincipal currentUser = new GenericPrincipal(ident, userRolesArray);Thread.CurrentPrincipal = currentUser;
B. WindowsIdentity ident = new WindowsIdentity(userName);WindowsPrincipal currentUser = new WindowsPrincipal(ident);Thread.CurrentPrincipal = currentUser;
C. NTAccount userNTName = new NTAccount(userName);GenericIdentity ident = new GenericIdentity(userNTName.Value);GenericPrincipal currentUser= new GenericPrincipal(ident, userRolesArray);Thread.CurrentPrincipal = currentUser;
D. IntPtr token = IntPtr.Zero;token = LogonUserUsingInterop(userName, encryptedPassword);WindowsImpersonationContext ctx = WindowsIdentity.Impersonate(token);
Answer: A

8. You are developing a method to hash data with the Secure Hash Algorithm. The data is passed to your method as a byte array named message. You need to compute the hash of the incoming parameter by using SHA1. You also need to place the result into a byte array named hash. Which code segment should you use?
A. SHA1 ^sha = gcnew SHA1CryptoServiceProvider();array<Byte>^hash = nullptr;sha->TransformBlock(message, 0, message->Length, hash, 0);
B. SHA1 ^sha = gcnew SHA1CryptoServiceProvider();array<Byte>^hash = BitConverter::GetBytes(sha->GetHashCode());
C. SHA1 ^sha = gcnew SHA1CryptoServiceProvider();array<Byte>^hash = sha->ComputeHash(message);
D. SHA1 ^sha = gcnew SHA1CryptoServiceProvider();sha->GetHashCode();array<Byte>^hash = sha->Hash;
Answer: C

9. You create an application to send a message by e-mail. An SMTP server is available on the local subnet. The SMTP server is named smtp.contoso.com. To test the application, you use a source address, me@contoso.com, and a target address, you@contoso.com. You need to transmit the e-mail message. Which code segment should you use?
A. MailAddress addrFrom("me@contoso.com", "Me");MailAddress addrTo("you@contoso.com", "You");MailMessage message(%addrFrom, %addrTo);message.Subject = "Greetings!";message.Body = "Test";message.Dispose();
B. String^ strSmtpClient = "smtp.contoso.com";String^ strFrom = "me@contoso.com";String^ strTo = "you@contoso.com";String^ strSubject = "Greetings!";String^ strBody = "Test";MailMessage msg(strFrom, strTo, strSubject, strSmtpClient);
C. MailAddress addrFrom("me@contoso.com");MailAddress addrTo("you@contoso.com");MailMessage message(%addrFrom, %addrTo);message.Subject = "Greetings!";message.Body = "Test";SmtpClient client("smtp.contoso.com");client.Send(%message);
D. MailAddress^ addrFrom = gcnew MailAddress("me@contoso.com", "Me");MailAddress^ addrTo = gcnew MailAddress("you@contoso.com", "You");MailMessage^ message = gcnew MailMessage(addrFrom, addrTo);message->Subject = "Greetings!";message->Body = "Test";SocketInformation info;Socket^ client = gcnew Socket(info);System::Text::ASCIIEncoding^ enc = gcnew System::Text::ASCIIEncoding();array<unsigned char>^ msgBytes = enc->GetBytes(message->ToString());client->Send(msgBytes);
Answer: C

10. You are developing a method to hash data for later verification by using the MD5 algorithm. The data is passed to your method as a byte array named message. You need to compute the hash of the incoming parameter by using MD5. You also need to place the result into a byte array. Which code segment should you use?
A. HashAlgorithm ^algo = HashAlgorithm::Create("MD5");hash = algo->ComputeHash(message);
B. HashAlgorithm ^algo = HashAlgorithm::Create("MD5");hash = BitConverter::GetBytes(algo->GetHashCode());
C. HashAlgorithm ^algo;algo = HashAlgorithm::Create(message->ToString());hash = algo->Hash;
D. HashAlgorithm ^algo = HashAlgorithm::Create("MD5");hash = nullptr;algo->TransformBlock(message, 0, message->Length, hash, 0);
Answer: A

11. You are developing an auditing application to display the trusted ClickOnce applications that are installed on a computer. You need the auditing application to display the origin of each trusted application. Which code segment should you use?
A. ApplicationTrustCollection^ trusts;trusts= ApplicationSecurityManager::UserApplicationTrusts;for(int i=0;i<trusts->Count;i++){ApplicationTrust^ trust = trusts[i];System::Console::WriteLine(trust->ToString());}
B. ApplicationTrustCollection^ trusts;trusts = ApplicationSecurityManager::UserApplicationTrusts;for(int i=0;i<trusts->Count;i++){ApplicationTrust^ trust = trusts[i];System::Console::WriteLine(trust->ExtraInfo->ToString());}
C. ApplicationTrustCollection^ trusts;trusts = ApplicationSecurityManager::UserApplicationTrusts;for(int i=0;i<trusts->Count;i++){ApplicationTrust^ trust = trusts[i];System::Console::WriteLine(trust->ApplicationIdentity->FullName);}
D. ApplicationTrustCollection^ trusts;trusts = ApplicationSecurityManager::UserApplicationTrusts;for(int i=0;i<trusts->Count;i++){Object^ trust = trusts[i];System::Console::WriteLine(trust->ToString());}
Answer: C

12. You are using the Microsoft Visual Studio 2005 IDE to examine the output of a method that returns a string. You assign the output of the method to a string variable named fName.
You need to write a code segment that prints the following on a single line
The message: "Test Failed: "
The value of fName if the value of fName does not equal "John"
You also need to ensure that the code segment simultaneously facilitates uninterrupted execution of the application. Which code segment should you use?
A. Debug::Assert(fName == "John", "Test Failed: ", fName);
B. Debug::WriteLineIf(fName != "John", fName, "Test Failed");
C. if (fName != "John") { Debug::Print("Test Failed: "); Debug::Print(fName);}
D. if (fName != "John") { Debug::WriteLine("Test Failed: "); Debug::WriteLine(fName);}
Answer: B

13. You are developing a utility screen for a new client application. The utility screen displays a thermometer that conveys the current status of processes being carried out by the application. You need to draw a rectangle on the screen to serve as the background of the thermometer as shown in the exhibit. The rectangle must be filled with gradient shading. (Click the Exhibit button.) Which code segment should you choose?
A. Rectangle^ rectangle = gcnew Rectangle(10, 10, 450, 25); LinearGradientBrush^ rectangleBrush = gcnew LinearGradientBrush(rectangle, Color::AliceBlue, Color::CornflowerBlue, LinearGradientMode::ForwardDiagonal); Pen^ rectanglePen = gcnew Pen(rectangleBrush); Graphics^ g = this->CreateGraphics(); g->DrawRectangle(rectanglePen, rectangle);
B. Rectangle^ rectangle = gcnew Rectangle(10, 10, 450, 25); LinearGradientBrush^ rectangleBrush = gcnew LinearGradientBrush(rectangle, Color::AliceBlue, Color::CornflowerBlue, LinearGradientMode::ForwardDiagonal); Pen^ rectanglePen = gcnew Pen(rectangleBrush); Graphics^ g = this->CreateGraphics(); g->FillRectangle(rectangleBrush, rectangle);
C. RectangleF^ rectangle = gcnew RectangleF(10f, 10f, 450f, 25f); array<Point^>^ points = gcnew array<Point^>^ {gcnew Point(0, 0), gcnew Point(110, 145)}; LinearGradientBrush^ rectangleBrush = gcnew LinearGradientBrush(rectangle, Color::AliceBlue, Color::CornflowerBlue, LinearGradientMode::ForwardDiagonal); Pen^ rectanglePen = gcnew Pen(rectangleBrush); Graphics^ g = this->CreateGraphics(); g->DrawPolygon(rectanglePen, points);
D. RectangleF^ rectangle = gcnew RectangleF(10f, 10f, 450f, 25f); SolidBrush^ rectangleBrush = gcnew SolidBrush(Color::AliceBlue); Pen^ rectanglePen = gcnew Pen(rectangleBrush); Graphics^ g = this->CreateGraphics(); g->DrawRectangle(rectangleBrush, rectangle);
Answer: B

14. You are creating an assembly named Assembly1. Assembly1 contains a public method. The global cache contains a second assembly named Assembly2. You must ensure that the public method is only called from Assembly2. Which permission class should you use?
A. GacIdentityPermission
B. PublisherIdentityPermission
C. DataProtectionPermission
D. StrongNameIdentityPermission
Answer: D