70-513 · Question #292
You are working with a Windows Communication Foundation (WCF) client application that has a generated proxy named SampleServiceProxy. When the client application is executing, in line 04 of the…
The correct answer is B. proxy = new SampleServiceProxy(). See the full explanation below for the reasoning.
Question
You are working with a Windows Communication Foundation (WCF) client application that has a generated proxy named SampleServiceProxy. When the client application is executing, in line 04 of the following code, the channel faults (Line numbers are included for reference only.) 01 SampleServiceProxy proxy = new SampleServiceProxy(); 02 try 03 { 04 proxy.ProcessInvoice(invoice); 05 } 06 catch 07 { 08 if(proxy.State == CommunicationState.Faulted) 09 { 10 ... 11 } 12 } 13 proxy.UpdateCustomer(customer); You need to return proxy to a state in which it can successfully execute the call in line 13. Which code segment should you use at line 10?
Options
- Aproxy.Close();
- Bproxy = new SampleServiceProxy();
- Cproxy.Abort();
- Dproxy.Open();
How the community answered
(30 responses)- A10% (3)
- B83% (25)
- C3% (1)
- D3% (1)
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