WCF.Net Online Test 1, Dot Net Question and Answers, .NET Quiz

[B]NetTcpBinding [/B] – Communication between WCF applications across computers. Supports duplex contracts and transactions. [B]NetMsmqBinding [/B] – Communication between WCF applications by using queuing. Supports transactions. [B]WSHttpBinding [/B] – Web services with WS-* support. Supports transactions.

To obtain a specific instance of the Entity in WCF Data Service, we must use Service/EntitySetName(‘InstanceName’). So the correct answer will be http:///MyService.svc/Employees('RNA Team’)

To obtain the EntitySetName in WCF Data Service, we must use Service/EntitySetName

$select with a comma seperated list indicates the fields to be returned.

$skip indicates how many records to be ignore.

[B]$orderby[/B] defines the sort order to be use in WCf Data service.It’s syntax is [CODE]Service/EntitySetName/$orderby=[/CODE] [B]$top[/B] defines the number of records to be retrived from the Data Service.It’s syntax is [CODE]Service/EntitySetName/$top=[/CODE] We can mix them both by using the syntax : [CODE]Service/EntitySetName/$orderby=&$top=[/CODE]

$orderby defines the sort order to be use in WCf Data service.It’s syntax is [CODE]Service/EntitySetName/$orderby=[/CODE]

To obtain a property of a specific instance of the Entity in WCF Data Service, we must use Service/EntitySetName(‘InstanceName’)/PropertyName

To obtain a specific instance of the Entity in WCF Data Service, we must use Service/EntitySetName(‘InstanceName’)

To obtain the EntitySetName in WCF Data Service, we must use Service/EntitySetName

Using [B]ChannelFactory[/B] an client can consume a WCF Service without creating a proxy class.

Above all statements are correct about WCF.As it supports HTTP,TCP,Named Pipes and so on.and also it has OperationContract attribute to create Interface and DataContract attribute to create Classes in WCF.

Text,Binary and MTOM are the three types of encoding techniques used in WCF. For effective transmission, MTOM(Message Transmission Optimization Mechanism) is used and it will allows the larger messages of greater than 64kb.

Address, Binding and Contract are the three components of End point. Hence sometimes WCF is called as ABC.the term ‘ABC’ represents Address, Binding and Contract.

‘System.Runtime.Serialization’ is the WCF namespace used for serialization where as, ‘System.Xml.Serialization’ is used for Web Services.

‘BasicHttpBinding’ doesn’t supports Addressing, Security and ReliableMessaging of WS and doesn’t supports WS functionalities.

In BasicHttpBinding, the security is disabled by default. BasicHttpSecurityMode is used to specify which type of security in BasicHttpBinding.

one way contract is the operation contract that works in one way operation mode. Simply say it is the one way communication in which client is able to send requests to the server but he doesn’t gets any reply from the server.

NetPeerTcpBinding is used for communicating computers across peer-to-peer (or) point-to-point services. Duplex contracts and transactions are also supported by NetPeerTcpBinding.

MsmqIntegrationBinding will communicate directly with any MSMQ application. It also supports transaction.