What is difference between Web service and WCF?
Web services support only one protocol- HTTP and HTTPS during communication, but WCF supports more protocols like- HTTP, TCP, and MSMQ that can be extended for a comprehensive solution, reliable session, and transactions. It signifies WCF is more adaptable to work together for a variety of software.
What does WCF stand for answer?
Windows Communication Foundation
Answer: WCF Windows Communication Foundation (WCF) is a framework for building service-oriented applications. Using WCF, you can send data as asynchronous messages from one service endpoint to another. Web Services: A Web Service is programmable application logic accessible via standard web protocols.
What is used to communicate the error message from the service to the client in WCF?
Since a client’s concern area is not about how an error occurred or the factors contributing to an error, SOAP Fault contract is used to communicate the error message from the service to the client in WCF. A Fault contract enables the client to have a documented view of the errors occurred in a service.
How does WCF Web service work?
Windows Communication Foundation (WCF) is a framework for building service-oriented applications. Using WCF, you can send data as asynchronous messages from one service endpoint to another. The messages can be as simple as a single character or word sent as XML, or as complex as a stream of binary data.
Why do we need WCF service?
WCF lets you asynchronus messages transform one service endpoint to another. Windows Communication Foundation(WCF) supports multiple language & platforms. WCF Provides you a runtime environment for your services enabling you to expose CLR types as Services and to consume other Services as CLR Types.
How would you handle a WCF exception in a client?
Error handling in WCF is performed by one or more of the following:
- Directly handling the exception thrown. This is only done for communication and proxy/channel errors.
- Using fault contracts.
- Implementing the IErrorHandler interface.
- Handling ServiceHost events.
Which model is followed by WCF?
WCF is a unified communication framework that integrates all the Communication frameworks like ASMC/WSE, . NET REMOTING, DCOM/COM and MSMQ into one logical model….WCF And WCF Service Components.
| Binding Types | Usage Scenario |
|---|---|
| BasicHttpBinding | For SOAP Communication using Http |
| NetTcpBinding | For .Net-To-.Net(Cross Machine) Communication using TCP |
What are some good interview questions for WCF?
Top 23 WCF Interview Questions & Answers 1 Service: The working logic 2 Host: The path where the data is saved. E.g., .exe, process, windows service 3 Endpoints: The way the service is exposed to the outside world More
What was the web service before the WCF?
Before the WCF, the Web Service was used to create services but that type of service is only accessible to Windows client hosted on HTTP protocol. But WCF services are accessible with different protocols like http, tcp, msmq, etc. A few sample scenarios include: Question 2: Explain WCF Architecture and also explain its Fundamentals?
What do you need to know about Microsoft WCF?
WCF is Microsoft’s unified programming model for building service-oriented applications. It enables developers to build secure, reliable, transacted solutions that can be integrated across platforms and interoperate with existing. This article contains the top 20 WCF interview questions and answers, in order to prepare you for the interview.
What are the best web services interview questions?
You will also see the best web services interview question and answers in categories so that if required, you can get through a particular section only. The following enlisted questions cover Web services testing questions, RESTful web services, SOAP web services, Web services security interview questions. Q #1) Explain Web Services?
