Microsoft
70-513 · Question #104
70-513 Question #104: Real Exam Question with Answer & Explanation
Sign in or unlock 70-513 to reveal the answer and full explanation for question #104. The question stem and answer options stay visible for context.
Question
You are creating an application that consumes a Windows Communication Foundation (WCF) service. The service implements the IService contract. The client application contains the CallbackHandler class, which implements IServiceCallback. You need to ensure that a client proxy is created that can communicate with the service over a duplex channel. Which code segment should you use?
Options
- Avar handler = new CallbackHandler();
- Bvar handler = new CallbackHandler();
- Cvar handler = new CallbackHandler();
- Dvar handler = new CallbackHandler();
Unlock 70-513 to see the answer
You've previewed enough free 70-513 questions. Unlock 70-513 for full answers, explanations, the timed quiz mode, progress tracking, and the master PDF. Question stem and options stay visible so you can still see what's on the exam.