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Microsoft UPGRADE: MCAD Skills to MCTS Web Apps Using MS.NET Framework Sample Questions:

1. You have just graduated from college, now you are serving the internship as the software developer in an international company. You are designing a .NET Framework 2.0 Web Application. You want the application to send messages by e-mail. There's an SMTP server which is named smtp.wikigo.com on the local subnet. You use a source address, [email protected], and [email protected], a target address, to test the application. In the options below, which code segment should you use to transmit the e-mail message?

A) Dim MailFrom As New MailAddress("[email protected]", "Me")Dim MailTo As New MailAddress("[email protected]", "You")Dim Message As New MailMessage(MailFrom, MailTo)Message.Subject = "Greetings"Message.Body = "Test"Dim Info As New SocketInformationDim Client As New Socket(Info)Dim Enc As New ASCIIEncodingDim Bytes() As Byte = Enc.GetBytes(Message.ToString)Client.Send(Bytes)
B) Dim MailFrom As New MailAddress("[email protected]", "Me")Dim MailTo As New MailAddress("[email protected]", "You")Dim Message As New MailMessage(MailFrom, MailTo)Message.Subject = "Greetings"Message.Body = "Test"Dim objClient As New SmtpClient("smtp.contoso.com")objClient.Send(Message)
C) Dim MailFrom As New MailAddress("[email protected]", "Me")Dim MailTo As New MailAddress("[email protected]", "You")Dim Message As New MailMessage(MailFrom, MailTo)Message.Subject = "Greetings"Message.Body = "Test"Message.Dispose()
D) Dim SMTPClient As String = "smtp.contoso.com"Dim MailFrom As String = "[email protected]"Dim MailTo As String = "[email protected]"Dim Subject As String = "Greetings"Dim Body As String = "Test"Dim Message As New MailMessage(MailFrom, MailTo, Subject, SMTPClient)

2. You work as the developer in an IT company. Recently your company has a big customer. The customer runs a large supermarket chain. You're appointed to provide technical support for the customer. Now according to the customer requirement, you are writing code for user authentication and authorization. The username, password, and roles are stored in your application data store.
You have to build a user security context that will be used for authorization checks such as IsInRole. The security context will be used for authorization checks such as IsInRole. You authorize the user by writing the code segment below:
if (!TestPassword(userName, password))
throw new Exception("could not authenticate user");
String[] userRolesArray = LookupUserRoles(userName);
In order to establish the user security, you have to complete the code segment. In the options below, which code segment should you use?

A) WindowsIdentity ident = new WindowsIdentity(userName);WindowsPrincipal currentUser = new WindowsPrincipal(ident);Thread.CurrentPrincipal = currentUser;
B) NTAccount userNTName = new NTAccount(userName);GenericIdentity ident = new GenericIdentity(userNTName.Value);GenericPrincipal currentUser= new GenericPrincipal(ident, userRolesArray);Thread.CurrentPrincipal = currentUser;
C) GenericIdentity ident = new GenericIdentity(userName);GenericPrincipal currentUser = new GenericPrincipal(ident, userRolesArray);Thread.CurrentPrincipal = currentUser;
D) IntPtr token = IntPtr.Zero;token = LogonUserUsingInterop(userName, encryptedPassword);WindowsImpersonationContext ctx = WindowsIdentity.Impersonate(token);

3. You work as the developer in an IT company. Recently your company has a big client. The client runs a large supermarket chain. According to the business requirement, the client needs a method to clear a Queue named q. Your company asks you to serve this client. You have to create the method for the client. In the options below, which code segment should you use?

A) q.Dequeue();
B) q.Clear();
C) foreach (object e in q) { q.Dequeue();}
D) foreach (object e in q) { Enqueue(null);}

4. You have just graduated from college, now you are serving the internship as the software developer in an international company. According to the requirements of the company CIO, you are creating an application. The application will deploy by using ClickOnce. After the application is created, the customer wants to see whether the application runs properly. So you have to test it. You have to write a method that returns the object, which prompts the user to install a ClickOnce application. In the options below, which code segment should you use?

A) Return ApplicationSecurityManager.ApplicationTrustManager
B) Return new HostSecurityManager
C) Return SecurityManager.PolicyHierarchy
D) Return AppDomain.CurrentDomain.ApplicationTrust

5. You work as the developer in an IT company. Recently your company has a big customer. The customer runs a large supermarket chain. You're appointed to provide technical
support for the customer. Now according to the customer requirement, you create a Web application which enables users to change fields in their personal profiles. Some of the changes are not persisting in the database. In order to be able to locate the error, you have to track each change that is made to a user profile by raising a custom event.
In the options below, which event should you use?

A) You should use WebAuditEvent
B) You should use WebRequestEvent
C) You should use WebBaseEvent
D) You should use WebEventManager

Solutions: