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1.
What is Windows Communication Foundation (WCF)?
Answer:
WCF Fundamentals
- 2.
How is WCF different from ASP.NET Web Services?
Answer: - 3.
What are the key features of WCF?
Answer: - 4.
Explain the concept of service orientation in the context of WCF.
Answer: - 5.
What is a service contract in WCF?
Answer: - 6.
Define a data contract in WCF.
Answer: - 7.
What are the ABCs of WCF?
Answer: - 8.
What bindings are provided by WCF?
Answer: - 9.
Explain WCF endpoint and its components.
Answer: - 10.
How does WCF ensure interoperability?
Answer: - 11.
What is the difference between a WCF service and a WCF client?
Answer: - 12.
Describe WCF’s support for RESTful services.
Answer: - 13.
How is security implemented in WCF?
Answer: - 14.
What do you understand by multiple bindings in WCF?
Answer: - 15.
Can you explain the role of interfaces in WCF?
Answer:
WCF Architecture and Execution
- 16.
Describe the WCF architecture.
Answer: - 17.
Explain the WCF request-response service operation.
Answer: - 18.
How do you host a WCF service?
Answer: - 19.
What is the difference between hosting a WCF service in IIS and a Windows Service?
Answer: - 20.
What are instance management techniques in WCF?
Answer: - 21.
Explain concurrency management in WCF services.
Answer: - 22.
What are the different instance modes in WCF?
Answer: - 23.
How do you manage sessions in WCF services?
Answer: - 24.
What are throttlings in WCF and how do they work?
Answer: - 25.
Explain WCF Serialization and Deserialization.
Answer:
WCF Contracts
- 26.
What are the different types of contracts in WCF?
Answer: - 27.
Explain the purpose of OperationContract attribute.
Answer: - 28.
What is a Message Contract in WCF?
Answer: - 29.
Can you modify a contract once it’s deployed? If so, how?
Answer: - 30.
How do you handle versioning in WCF contracts?
Answer:
WCF Bindings and Configurations
- 31.
What are the different types of WCF bindings and their use cases?
Answer: - 32.
How does WCF support different transport protocols?
Answer: - 33.
Explain the difference between basicHttpBinding and wsHttpBinding.
Answer: - 34.
How would you choose a binding for a WCF service?
Answer: - 35.
What are custom bindings and when would you use them?
Answer: - 36.
How are behaviors used in WCF?
Answer: - 37.
Describe how to configure WCF services using configuration files.
Answer: - 38.
What are the typical elements found in a WCF configuration file?
Answer:
WCF Security
- 39.
What are the different security modes in WCF?
Answer: - 40.
How would you implement transport security in a WCF service?
Answer: - 41.
What is message security and how is it different from transport security?
Answer: - 42.
Can you implement both transport and message security in WCF?
Answer: - 43.
Explain certificate-based security in WCF.
Answer:
WCF Faults and Exceptions
- 44.
How does error handling work in WCF?
Answer: - 45.
What is a Fault Contract?
Answer: - 46.
How do you pass user-defined error data from a service to a client?
Answer: - 47.
Can you handle all exceptions uniformly in WCF clients?
Answer:
WCF Transactions
- 48.
How does WCF support transactions?
Answer: - 49.
What is the purpose of the TransactionFlow attribute?
Answer: - 50.
How can you ensure that a WCF service operation participates in a transaction?
Answer:
WCF Performance and Optimization
- 51.
How can you monitor WCF service performance?
Answer: - 52.
Describe methods to improve WCF service performance.
Answer: - 53.
How does caching work in WCF?
Answer: - 54.
How can you limit the size of a message in WCF?
Answer: - 55.
Explain how to manage large data transfers in WCF.
Answer:
WCF REST Services
- 56.
What is a WCF REST service?
Answer: - 57.
How do you make AJAX calls to a WCF service?
Answer: - 58.
What are URI templates in WCF services?
Answer: - 59.
How does WCF support JSON and XML data?
Answer: - 60.
What are the methods to consume RESTful services in WCF?
Answer:
Advanced WCF Topics
- 61.
How do you implement message queuing in WCF?
Answer: - 62.
Describe duplex contracts in WCF.
Answer: - 63.
How do you enable metadata exchange in WCF?
Answer: - 64.
Explain the role of ServiceHost in WCF.
Answer: - 65.
How do you use Data Transfer Objects (DTO) in WCF?
Answer:
WCF Extensibility
- 66.
How can you extend the functionality of WCF services?
Answer: - 67.
What are Dispatchers and Channels in WCF?
Answer: - 68.
How do you create custom bindings in WCF?
Answer: - 69.
Explain the use of service behaviors and endpoint behaviors.
Answer: - 70.
How do you implement a custom message inspector?
Answer:
WCF and Workflow Integration
- 71.
How do WCF and WF (Windows Workflow Foundation) integrate?
Answer: - 72.
Can you expose a WF as a WCF service?
Answer: - 73.
How do you handle long-running processes in WCF?
Answer: - 74.
Explain correlation in WCF and WF services.
Answer: - 75.
Describe State Machine Workflows with WCF services.
Answer:
WCF and .NET Framework
- 76.
How does WCF fit into the .NET Framework?
Answer: - 77.
Explain the relationship between WCF and the .NET Core/Framework transition.
Answer: - 78.
How do you migrate a WCF service to .NET Core?
Answer: - 79.
Can you consume a WCF service from a .NET Core application?
Answer: - 80.
What are the considerations for backward compatibility in WCF?
Answer:
WCF Testing and Debugging
- 81.
How do you test a WCF service?
Answer: - 82.
What tools are available for debugging WCF services?
Answer: - 83.
How do you enable message logging in WCF?
Answer: - 84.
What is the WCF Test Client and how do you use it?
Answer: - 85.
How do you simulate service faults for testing purposes?
Answer:
WCF in Distributed Systems
- 86.
How does WCF work with distributed transactions?
Answer: - 87.
Describe the scalability options with WCF services.
Answer: - 88.
Explain how WCF services can be load balanced.
Answer: - 89.
What is the role of WCF in SOA (Service-Oriented Architecture)?
Answer: - 90.
How do you handle state management in a scaled-out WCF service?
Answer:
WCF Best Practices
- 91.
What are considered best practices for WCF service design?
Answer: - 92.
How do you ensure that a WCF service is secure?
Answer: - 93.
What are the dos and don’ts when configuring WCF services?
Answer: - 94.
How should you handle reusable logic in WCF?
Answer: - 95.
What are some common anti-patterns in WCF to avoid?
Answer:
Contemporary Uses of WCF
- 96.
How is WCF being used in modern enterprises?
Answer: - 97.
What are the future prospects for WCF with the advent of microservices and containerization?
Answer: - 98.
How does WCF compare to newer frameworks like gRPC for service communication?
Answer: - 99.
In what scenarios would you still recommend using WCF?
Answer: - 100.
Can you describe a successful migration from a WCF service to a different communication framework or architecture?
Answer:
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