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Exam : Microsoft 70-310
Title : Dev XML Web Services&Server Comp W/MSVB.net&Ms.net Framework


1. You create a serviced component named Tracker that uses attributes to dynamically register itself for COM+ services. Tracker is in an assembly file named Fabrikam.dll. Tracker uses transactions and role-based security. The roles and the application identity for Tracker are configured on the development computer.
You are preparing to hand off Tracker to an administrator for deployment to production computers. You want all the COM+ configuration information for Tracker to be installed on the production computers.
What should you do?
A. Use the Component Services tool to export Tracker to an .msi file.
Provide to the administrator the .msi file with instructions to run the installer.
B. Provide to the administrator the Fabrikam.dll file.
Instruct the administrator to copy Fabrikam.dll to all production computers and to install it in the global assembly cache.
C. Provide to the administrator the Fabrikam.dll file.
Instruct the administrator to use the .NET Services Installation tool (Regsvcs.exe) to install Tracker.
D. Add a new merge module to your solution.
Add Fabrikam.dll to the merge module.
Provide to the administrator the .msm file with installation instructions.
Answer: A

2. You create a .NET Remoting object named MyRemoteObject in an XML Web service named MyWebService. All method calls made on MyRemoteObject are routed to a single instance of this object. The state of MyRemoteObject must be maintained between method calls.
You need to register MyRemoteObject as a well-known object provided by MyWebService. You want to accomplish this goal by adding code to the Web.config file of MyWebService.
Which code segment should you use?
A. <wellknown mode="Singleton" type="MyRemoteObject, MyWebService"
objectUri="MyWebService.rem" />
B. <wellknown mode="Singleton" type="MyWebService.MyRemoteObject,
MyWebService"objectUri="MyRemoteObject.rem" />
C. <wellknown mode="SingleCall" type="MyRemoteObject, MyWebService"
objectUri="MyWebService.rem" />
D. <wellknown mode="SingleCall" type="MyWebService.MyRemoteObject,
MyWebService"objectUri="MyRemoteObject.rem" />
Answer: B

3. You create a .NET Remoting object named Time. The Time class is in the Utils namespace and is in an assembly file named Fabrikam.dll.
The Time class is hosted in an Internet Information Services (IIS) virtual directory named UtilsSvr. The Time class is configured to be a server-activated object and uses a URI named Time.rem.
You use a client application named Test.exe to test the Time object. Test.exe creates instances of the Time object by using the following method signature:
Public Function CreateInstance() As Time
RemotingConfiguration.Configure("Test.exe.config")
Return new Time()
End Function
You want Test.exe to create instances of the Time class on a computer named Hosting.
What should you do?
A. Create a Test.exe.config file that includes the following code segment:
<configuration> <system.runtime.remoting>
<application> <client>
<wellknown
type="Utils.Time, Fabrikam"
url="tcp://Hosting:80/UtilsSvr/Time.rem"/>
</client> </application>
</system.runtime.remoting> </configuration>
B. Create a Test.exe.config file that includes the following code segment:
<configuration> <system.runtime.remoting>
<application> <client>
<wellknown
type="Utils.Time, Fabrikam"
url="http://Hosting/UtilsSvr/Time.rem"/>
</client> </application>
</system.runtime.remoting> </configuration>
C. Create a Test.exe.config file that includes the following code segment:
<configuration> <system.runtime.remoting>
<application>
<client url="http://Hosting/UtilsSvr/Time.rem">
<activated
type="Utils.Time, Fabrikam"/>
</client> </application>
</system.runtime.remoting> </configuration>
D. Create a Test.exe.config file that includes the following code segment:
<configuration> <system.runtime.remoting>
<application>
<client url="tcp://Hosting:80/UtilsSvr/Time.rem">
<activated
type="Utils.Time, Fabrikam"/>
</client> </application>
</system.runtime.remoting> </configuration>
Answer: B

4. You are using Visual Studio .NET to develop an application that uses a non-COM DLL named UsefulFunctions.dll. This DLL is written in unmanaged code.
The DLL contains a function that parses a string into an array of string words and an array of numbers. A call to the function includes the following pseudocode:
input = "A string with 6 words and 2 numbers"
words = Nothing
numbers = Nothing
Parse(input, words, numbers)
After execution, words contains all string words found in input and numbers contains all integers found in input. You need to enable your application to call this function.
Which code segment should you use?
A. Declare Function Parse Lib "UsefulFunctions.dll" _
(ByVal input As String, ByVal words() As String,
ByVal numbers() As Integer) As Integer
B. Declare Function Parse Lib "UsefulFunctions.dll" _
(ByVal input As String, ByRef words() As String,
ByRef numbers() As Integer) As Integer
C. Declare Function Parse Lib "UsefulFunctions.dll" _
(ByRef input As String, ByVal words() As String,
ByVal numbers() As Integer) As Integer
D. Declare Function Parse Lib "UsefulFunctions.dll" _
(ByRef input As String, ByRef words() As String,
ByRef numbers() As Integer) As Integer
Answer: B

5. You create a collection of serviced components that performs bank transfers. All the components are marked with the Transaction(TransactionOption.Required) attribute. All the methods in the components are marked with the AutoComplete() attribute.
You discover that incorrect balance amounts are being transferred. You decide to debug the components. During debugging, a System.Runtime.InteropServices.COMException is thrown. The HRESULT for the exception is 0x8004E002. The exception includes the following message: "The root transaction wanted to commit, but transaction aborted."
You find that this exception occurs only during the debugging session, and not when the components run outside of the debugger. This exception is preventing you from continuing to debug the components. You need to resolve this problem.
What should you do?
A. Remove the AutoComplete attribute from each method. Within each method implementation, add calls to the ContextUtil.SetComplete() and ContextUtil.SetAbort() methods.
B. Remove the AutoComplete attribute from each method. Within each method implementation, add calls to the ContextUtil.MyTransactionVote and ContextUtil.DeactivateOnReturn properties.
C. Increase the transaction timeout in the Component Services tool by using the Properties dialog box for My Computer.
D. Replace each method implementation with the following code segment:
Try
The original method implementation goes here.
Finally
ContextUtil.SetComplete()
End Try
Answer: C

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