Testking Microsoft Mcad 70-310 Exam

MCSD .NET XML Web Services and Server Components with Visual Basic.NET : 70-310 ExamMicrosoft: 70-310 Exam
Questions & Answers 70-310 – Questions & Answers
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218 Questions

Question No: 1 You are preparing to deploy an XML Web service named InventoryService. This service
queries a Microsoft SQL Server database and returns information to the caller.
You use Visual Studio .NET to create a setup project. You need to install InventoryService. You also need to
run a script to create the necessary SQL Server database and tables to store the data. To accomplish this, you
need to configure the project to have administrator rights to the SQL Server database
You add a custom dialog box to the project that prompts the user for the administrator user name and
password that are used to connect to the SQL Server database. You need to make the user name and
password available to a custom Installer class that will execute the script.
What should you do?
A. Add a launch condition that passes the user name and password to the Install subroutine.
B. Add a merge module to the project that captures the user name and password. Use the merge module to
access these values in the Install subroutine.
Answer: D
Question No: 2 You create an XML Web service named PhoneService that returns telephone information to
its customers. You configure the Web.config file and Internet Information Services (IIS) to use Basic
authentication to authenticate calls to the Web service.
C. Retrieve the user name and password from the savedState object in the Install subroutine.
D. Create a custom install action. Set the CustomActionData property to the entered user name and password. Then
access these values in the Install subroutine.
You are now creating a Windows-based application named MyWinApp to test PhoneService. To
MyWinApp, you add a Web reference to PhoneService. You add a Windows Form named Form1 to
MyWinApp.
You write the following code segment in the Form1_Load event. (Line numbers are included for
reference only.)
01 Dim phoneService As New MyService.PhoneService()
02 Dim phoneNumber As String
03 ‘ Insert new code beginning here.
04 phoneNumber = phoneService.GetPhoneNumber(“Alex”)

You run MyWinApp. However, when line 04 executes, an exception is thrown indicating that access is
denied. You need to add code beginning on line 03 to ensure that MyWinApp runs without exceptions.
Which code segment should you use?
A. Dim credCache As New CredentialCache()
phoneService.Credentials = credCache
B. Dim credCache As New CredentialCache()
credCache.Add(New Uri(phoneService.Url), “Basic”, New _
NetworkCredential(myUser, userPassword))
phoneService.Credentials = credCache
C. Dim credCache As New CredentialCache() Dim creds As
New NetworkCredential() credCache.Add(New
Uri(phoneService.Url), userPassword, _ creds)
phoneService.Credentials = creds
D. Dim credCache As New CredentialCache() Dim creds As
New NetworkCredential() credCache.Add(New
Uri(phoneService.Url), “Basic”, creds)
phoneService.Credentials = credCache
Answer: B
Question No: 3 You create an XML Web service project that consists of three services named BronzeService,
SilverService, and GoldService. All three services are located in the same virtual directory on a production
computer. When customers subscribe to your service, they select only one of the three available services. A
new customer subscribes to SilverService. You need to create a discovery document that enables this customer
to use only SilverService. Which discovery document should you create?
A. <disco:discovery
xmlns:disco=”http://schemas.xmlsoap.org/disco/”
xmlns:scl=http://schemas.xmlsoap.org/disco/scl/>
<scl:contractRef ref=”SilverService.asmx?wsdl” />
</disco:discovery>
B. <disco:discovery
xmlns:disco=”http://schemas.xmlsoap.org/disco/”
xmlns:scl=”http://schemas.xmlsoap.org/disco/scl/”>
<scl:contractRef ref=”SilverService.asmx” />
</disco:discovery>
C. <dynamicDiscovery xmlns=”urn:schemas-dynamicdiscovery:disco.2000-03-17″>
<exclude path=”_vti_cnf” /> <exclude path=”_vti_pvt” />
<exclude path=”_vti_log” /> <exclude
path=”_vti_script” /> <exclude
path=”_vti_txt” /> <exclude
path=”Web References” />
</dynamicDiscovery>
Answer: A
Question No: 4 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
D. <dynamicDiscovery xmlns=”urn:schemas-dynamicdiscovery:disco.2000-03-17″>
<exclude path=”_vti_cnf” /> <exclude path=”_vti_pvt” /> <exclude path=”_vti_log” />
<exclude path=”_vti_script” /> <exclude path=”_vti_txt” /> <exclude path=”Web
References” /> <exclude path=”BronzeService.asmx” /> <exclude
path=”GoldService.asmx” /> </dynamicDiscovery>
Web.config file of MyWebService. Which code segment should you use?
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” />
A. <wellknown mode=”Singleton” type=”MyRemoteObject, MyWebService” objectUri=”MyWebService.rem” />
Answer: B
Question No: 5 You have an application named MyApp that contains a reference to version
1.0.0.0 of a strongly named serviced component named FabrikamComponent. This component is located in
the bin directory of MyApp. You receive version 2.0.0.0 of FabrikamComponent, which you install in the
global assembly cache. You reconfigure the application configuration file to redirect calls to version
2.0.0.0. You now receive version 3.0.0.0 of FabrikamComponent, which you install in the global assembly
cache. You do not reconfigure the application configuration file. You then run MyApp. Which version of
FabrikamComponent is loaded and from which location is it loaded?
A. version 1.0.0.0 from the bin directory
B. version 2.0.0.0 from the global assembly cache
C. version 2.0.0.0 from the bin directory
D. version 3.0.0.0 from the global assembly cache
Answer: B
Question No: 6 You create an XML Web service that uses the Trace class to output error messages,
warning messages, and informational messages to a log file. The service uses a TraceSwitch object to filter
the trace output.
The DisplayName property of the TraceSwitch object is “globalSwitch”. On a development computer, all
trace output appears in the log file.
You move the service to a production computer. You must configure the production XML Web service to
output only error messages to the log file.
B. To the Web.config file, add the following code segment:
<system.diagnostics> <switches> <add name=”globalSwitch”
value=”TraceSwitch” /> </switches> </system.diagnostics>
C. To the Web.config file, add the following code segment:
<system.diagnostics> <switches> <add name=”TraceSwitch”
value=”1″ /> </switches> </system.diagnostics>
D. To the Web.config file, add the following code segment:
<system.diagnostics> <switches> <add name=”TraceSwitch”
value=”globalSwitch” /> </switches>
What should you do?
A. To the Web.config file, add the following code segment:
<system.diagnostics> <switches> <add name=”globalSwitch”
value=”1″ /> </switches> </system.diagnostics>

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</system.diagnostics>
Answer: A
Question No: 7 You create a serviced component named TransferUtil to transfer money between bank
accounts. TransferUtil logs information for failed transfers by using the Trace class. You want TransferUtil
to save these log messages. Which code segment should you use?
A. Shared Sub New()
Trace.Flush() End Sub
B. Shared Sub New()
Trace.Listeners.Clear()
End Sub
C. Shared Sub New()
Trace.Listeners.Add( _ new
TextWriterListener(“transfer.log”)) End
Sub
D. Protected Overloads Overrides Sub Finalize()
Trace.Flush() End Sub
E. Protected Overloads Overrides Sub Finalize()
Trace.Listeners.Clear() End Sub
F. Protected Overloads Overrides Sub Finalize()
Trace.Listeners.Add( _ new
TextWriterListener(“transfer.log”)) End Sub
Answer: C
Question No: 8 You write a serviced component named OrderProcessing that processes customer
orders. You cache the product list and customer list within OrderProcessing to improve response
time.
OrderProcessing has a method named ValidateCache that validates the contents of the cache.
ValidateCache includes the following method signature:
Public Sub ValidateCache(ByVal name as String)
You want to call ValidateCache during development and testing. You do not want to call ValidateCache
when you release your component for deployment. You want to accomplish this task by writing the
minimum amount of code.
Which code segment should you use?
A. Public Sub ValidateCache(ByVal name as String)
Debug.Assert(False) ‘ Method body goes here. End Sub
B. #If DEBUG Then Public Sub
ValidateCache(ByVal name as String) ‘ Method
body goes here. End Sub #End If
C. <DebuggerHidden()> _ Public Sub
ValidateCache(ByVal name as String) ‘ Method
body goes here. End Sub
D. <Conditional(“DEBUG”)> _ Public Sub
ValidateCache(ByVal name as String) ‘ Method
body goes here. End Sub
Answer: D
Question No: 9 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 0×8004E002.
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
Question No: 10 You create a serviced component named Scheduler. Scheduler is registered in a library
application. The Scheduler methods parse String objects into DateTime objects. You write a console
application named Coverage.exe to test each method in Scheduler. You want Coverage.exe to test Scheduler
for multiple cultures to verify its globalization support. What should you do?
A. Create a CultureInfo object for each culture locale before calling the Scheduler methods.
B. Create a RegionInfo object for each culture locale before calling the Scheduler methods.
C. Set the current thread’s CurrentCulture property to each culture locale before calling the Scheduler methods.
D. Create a Coverage.exe.config file and add a <location> element to the configuration file for each culture
locale.
Answer: C

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