This service uses the TCP protocol for its communication.

This service will allow the client (written in different language) to access or modify the resource in the server using URL.

This service involves building Resource-Oriented Architecture (ROA).

Both 2 and 3

Both 1 and 2

This service has a package that contains message information and is delivered by HTTP.

In this service, the Plain raw XML message is used for communication.

SOAP has much interoperability.

All of the these

Both 1 and 3

It describes about the operation that service can provide.

Service contracts are created using Service and Operational Contract attribute.

It defines the data types that are passed to and from service.

Default SOAP message format is provided by the WCF runtime for communication between Client and service.

Both 1 and 2

It specifies what occurs and when internal error occurs on the service.

It tells how and whether metadata is available to outside world.

It specifies how many instances of the service has to be created while running.

All of the these

Both 1 and 2

WAS is used to provide message-based activation over other protocols such as TCP and named pipes.

WAS service can be self hosted as console application, Win Forms or WPF application with graphical UI.

It does not require Host code to activate the service as it automatically activates service code.

This service does not use any communication protocol.

Both 1 and 2

Service Orientation

Service Metadata

Data Contracts

Security

Data manipulation

WCF is a framework for building service-oriented applications.

In WCF, one can send data as asynchronous messages from one service endpoint to another.

WCF is designed to offer a manageable approach to creating Web services and Web service clients.

WCF is used in business transactions.

All of the these

The Host environment can be a Console application or a Windows Service, or a Windows Forms application.

It has service class that implements some service as a set of methods.

It specifies an address that defines where the endpoint is hosted.

It specifies the url of the service.

All of the these

It includes code-friendly methods of supplying the contracts, one wants to enforce.

It makes enable to create service oriented applications.

It supports publishing service metadata using formats specified such as WSDL, XML Schema, and WS-Policy.

It is used to encrypt the messages and one can require users to authenticate themselves before being allowed to receive messages.

Both 1 and 4

WCF support AJAX and REST

WCF supports various transactions.

WCF does not have extensibility.

Both 2 and 3

Both 1 and 2

Web service is a part of WCF.

Web Service can be hosted in IIS, windows activation service, self-hosting, and Windows service.

WCF offers much more flexibility and portability to develop a service as compared to web service.

All of the these

Both 1 and 3

It can be used to automatically generate and configure clients for accessing WCF services.

It can be published over HTTP and HTTPS or using the Web Service Metadata Exchange standard.

It is used to exchange the messages.

All of the these

Only 1 and 2 are correct.

It describes how client will communicate with service.

It provides encoding for the transmission of messages and attachments.

It defines informations, such as security, transaction or reliable messaging capability.

All of the these

Both 1 and 3

It specifies an address that defines where the endpoint is hosted.

It is Console application or a Windows Service, or a Windows Forms application.

It has service class that implements some service as a set of methods.

Endpoints determines the security of service.

Both 1 and 4

It includes code-friendly methods of supplying the contracts one wants to enforce.

It enables to create service oriented applications.

It supports publishing service metadata using formats specified such as WSDL, XML Schema, and WS-Policy.

It is used to encrypt the messages and one requires users to authenticate themselves before being allowed to receive messages.

None of the these