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最新的 MCTS 70-513 免費考試真題:

1. You are creating a Windows Communication Foundation (WCF) service.
You have the following requirements:
Messages must be sent over TCP.
The service must support transactions.
Messages must be encoded using a binary encoding.
Messages must be secured using Windows stream-based security.
----
You need to implement a custom binding for the service.
In which order should the binding stack be configured?

A) binaryMessageEncoding transactionFlow tcpTransport windowsStreamSecurity
B) windowsStreamSecurity tcpTransport binaryMessageEncoding t ransactionFlow
C) transactionFlow binaryMessageEncoding windowsStreamSecurity tcpTransport
D) tcpTransport windowsStreamSecurity transactionFlow binaryMessageEncoding

2. You are developing a Windows Communication Foundation (WCF) service that does not operate on a duplex channel.
You find that operations do not start until all previous operations have finished. The service hosting code contains the following lines.
var service = new WarehouseService();
var host = new ServiceHost(service);
You need to ensure that new operations do not wait for previous operations to finish.
Which attribute should you use to decorate the service?

A) [ServiceBehavior(
InstanceContextMode = InstanceContextMode.Single,
ConcurrencyMode = ConcurrencyMode.Multiple)]
B) [CallbackBehavior(
ConcurrencyMode = ConcurrencyMode.Multiple) ]
C) [ServiceBehavior(
InstanceContextMode = InstanceContextMode.Single,
ConcurrencyMode = ConcurrencyMode.Single) ]
D) [ServiceBehavior(
InstanceContextMode = InstanceContextMode.Single,
ConcurrencyMode = ConcurrencyMode.Reentrant) ]

3. A Windows Communication Foundation (WCF) service has a callback contract. You are developing a client application that will call this service.
You must ensure that the client application can interact with the WCF service.
What should you do?

A) On the OperationContractAttribute, set the AsyncPattern property value to True.
B) On the OperationContractAttribute, set the ReplyAction property value to the endpoint address of the client.
C) On the client, use GetCallbackChannel (Of T).
D) On the client, create a proxy derived from DuplexClientBase(Of TChannel).

4. A WCF service code is implemented as follows. (Line numbers are included for reference only)
01 [ServiceContract]
02 [ServiceBehavior(lnstanceContextMode =
03 lnstanceContextModeSingle)]
04 public class CalculatorService
05 {
06 [OperationContract]
07 public double Calculate(double op1, string op. double op2)
08 {
24 }
25 }
You need to increase the rate by which clients get the required response from the service.
What e two possible ways to achieve this goal? (Each correct answer presents a complete sokiion
Choose two.)

A) Require the clients to use async operations when calling the senvice.
B) Require the clients use threads, the Parallel Task Library, or other mechanism to issue service calls in parallel.
C) Change the service behavior to the following.
[ServiceBehavior(
lnstanceContextMode = lnstanceContextModeSingle,
ConcirrencyMode = ConcurrencyMode. Multide)]c
D) Change the service behavior to the following.
[ServiceBehavior(lnstanceContextMode = lnstanceContextMode.PerCall)]

5. A Windows Communication Foundation (WCF) solution provides a session-based counter.
The service is self-hosted. The hosting code is as follows.
Dim host As ServiceHost = New ServiceHost(GetType(CounterService))
Dim bnding As NetTcpBinding =
New NetTcpBinding(SecurityMode.None)
host.AddServiceEndpoint("MyApplication. ICounterService",
binding, "net.tcp://localhost:23456")
host. Open()
This service is currently exposed over TCP, but needs to be exposed to external clients over HTTP.
Therefore, a new service endpoint is created with the following code.
host.AddServiceEndpoint(''MyApplication. lCounterService",
binding2, "http:/!localhost:12345'
You need to complete the implementation and ensure that the session-based counter will perform over HTTP as it does over TCP.
What should you do?

A) Define binding2 as follows.
Dim binding2 As BasicHttpBinding = New BasicHttpBinding(BasicHttpSecurityMode. None)
add the following behavior to the service implementation.
<ServiceBehavior(lnstanceContextMode:
1nstanceContextMode.Single)>
B) Define binding2 as follows.
Dim binding2 As BasicHttpBinding = New BasicHttpBinding(BasicHttpSecurityMode.None)
Enable cookies for
binding2.
binding2.AllowCookies = True
C) Define binding2 as follows.
Dim binding2 As WS2007HttpBinding =
New WS200lHttpBinding(SecurityMode. None) Configure binding2 as follows.
binding2.ReliableSession.Enabled = True
D) Define binding2 as follows.
Dim binding2 As WSHttpBinding = - New WSHttpBinding(SecurityMode.None) Add the
following behavior to the service implementation. <ServceBehavior(lnstanceContextMode:
1nstanceContextMode.PerSession)s

問題與答案：