14 Mar In this section we will run through important WPF interview questions asked interviews. I know the list is not complete but wanted to. Net Interview Questions And Answers, C Sharp Interview Questions, New Interview Questions And Answers, C# Asp Net Wcf Wpf Interview Questions, Net . Sign in to vote. 0. Sign in to vote · WCF/WPF- Windows Presentation and Windows Communication Interview Questions and Answer FAQ’s.
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But WCF services are accessible with different protocols like http, tcp, msmq, etc. Transport defines the communication protocol to be used to communicate between service and client. In aand, a consumer send a message to the wcf and wpf interview questions and answers and the service sends a notification that the request processing has been done.
What is inheritance hierarchy? A service contract is the interface of the WCF service and it tells the outside world what the service can do.
Asp Net Wcf Wpf Interview Questions
What are answerd and non-functional requirements? You can mention the protocol type based on your requirements. What is the difference between a namespace and assembly name? In MVVM architecture view talks with the view model and view model talks with the model.
Information used by the runtime to map a type reference to the file that contains its declaration and implementation. These applications are called XBAP. Using WCF, you can send data as asynchronous messages from one service endpoint to another.
It contains all the methods of a service contract signature only, not the implementation. Such objects perform better.
Services should be able to describe what they do.
TCP, HTTP, and MSMQ, user must be sure enough to take necessary steps to guard your message and also must establish security policies for protecting messages and for authenticating and authorizing calls. Using a SOAP header, we can pass useful information about the services to the outer world if needed; it’s just for information sharing.
WCF supports following securities:.
One of the major differences is that. WPF commands invoked methods of view model internally. An application is an executable on the hard drive or network.
Top 10 WCF Interview Questions
Good and useful article my 5 Antonio Wcf and wpf interview questions and answers 5-Sep 7: It is anewers to define transport. When an operation has no return value, and the client does not care about qcf success or failure of the invocation.
A Service Oriented Architecture is based on four key abstractions. GetCommandLineArgs at any random point in the application. It supports different types of protocol to communicate with client and different types of encoding to transfer the data over the internet.
Communication between WCF applications on annd computer. A single request will be processed by a single thread on a server at any point of time. This surface is called an AdornerLayer.
What is diffrence between them? Requests are processed by the server by spawning multiple threads on the server object.
The proxy provides the same operation as service contract, but intervuew provides additional methods for managing proxy life cycle and the connection to the service. B might be logically expected to have functionally related to file access. What is Information cards in WCF? On the other hand if u add a reference using “using System.
But when data flows from source to UI or vice-versa using these bindings we need wcf and wpf interview questions and answers convert data from one format to other format. For example consider the below two XML which have table elements, one table is a HTML table and the other represents a restaurant table.
Hello Shivprasad, Nice useful article.
Top 10 WCF Interview Questions – WCF Tutorial
wcf and wpf interview questions and answers In WCF any receiving message is delivered only once entire message has been received. To decouple the view model class from command we can use delegates i. For example in the below XAML the border width is binded to height of the same border element. The printer machine start communication by making the connection with our machine, and start printing the paper. Sorting can be done by using a property of the ItemsCollection object.
While the WCF can exchange messages using any format over any transport protocol. So what did you get from the preceding example?
Flow format document alters the content to fit the screen size while fixed format document present content irrespective of the screen size. In this pattern, a response message will always be generated to consumer when the operation is called, even with the void return type.