Top 25+ Advanced WWF Interview Questions & Answers Pdf 2020-21 - 1
Question: 1
What is Windows Workflow Foundation?
Windows Workflow Foundation (WF) is a technology that was first introduced in .NET Framework 3.0.
WF consists of a programming model, a workflow runtime engine, workflow designer, a rules engine and tools to quickly build workflow based applications on Windows.
WF facilitates the separation between the business the business process code and the actual implementation code.
Question: 2
Which component of WF architecture is responsible to execute each workflow instance?
WF runtime engine is responsible to execute each workflow instance.
Question: 3
What is dynamic update?
Dynamic update is a powerful feature of WF that describes the ability of WF to modify the execution path of a running workflow.
This feature is used in circumstances that call for extraneous behavior that was not modeled by the original workflow developer.
Question: 4
What is a runtime engine?
A runtime engine of WF provides the basic functionality to execute and manage the workflow lifetime. It runs within the host process and is responsible for executing each workflow instance. A host process can interact with multiple runtime engines at a time, where each engine executes multiple workflow instances. The host process interacts with runtime engine by using any of the following classes:
Workflow Invoker – Invokes a workflow as its method
Workflow Application – controls the execution of a single workflow instance explicitly
Workflow Service Host – Hosts the workflows and allows sending receiving messages among various instances of workflows
Question: 5
What are XOML files?
WF provides developers a declarative way to create workflows by using eXtensible Application Markup Language (XAML).
The files used to store such workflow markups are known as eXtensible Object Markup Language (XOML) files.
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