下列文句中，字面意思与实际表达的意思相反的是()。

● Every host and router on the Internet has an IP address，which encodes its (69) ．

(69) A．host number

B．host number and socket

C．network number

D．host number and network number

Every host and router on the Internet has an IP address, which encodes its

A．host number

B．host number and socket

C．network number

D．host number and network number

Every host and router on the Internet has an IP address, which encodes its

A．host number

B．host number and socket

C．network number

D．host number and network number

Every host and router on the Internet has an IP address, which encodes its(12).

A．host number

B．network number

C．host number and socket

D．host number and network number

Every host and router on the Internet has an IP address, which encodes its(72).

A．host number

B．network number

C．host number and socket

D．host number and network number

Every host and router on the Intemet has an IP address, which encodes its

A．host number

B．host number and socket

C．network number

D．host number and network number

Which of the following statements about internet is (are) correct？

Ⅰ.Each host in internet only has a IP address.

Ⅱ.It is possible to have multiple names corresponding to the same IP address.

Ⅲ.In users' points, Internet means a virtual network.

A．None

B．Ⅰ and Ⅱ

C．Ⅱ and Ⅲ

D．All

A．200. 132. 112.1

B．255. 258.250.0

C．200. 173. 254..50

D．255. 252.250.0

You are developing a custom service host for a Windows Communication Foundation (WCF) service. The service host is named MovieServiceHost.You need to deploy the service with the custom service host in Microsoft Internet Information Services (IIS) 7.0.What should you do？（）

A. Make sure that service class has a default constructor. Add a public read-only property with the name ServiceHost that returns an instance of the MovieServiceHost class.

B. Create a factory for the custom service host. Name the factory MovieServiceHostFactory. In the web.config file, add the following attribute to the element within theelement. factory="MovieServiceFactory"

C. Create a factory for the custom service host. Name the factory MovieServiceHostFactory. In the .svc file, add the following line. <%@ServiceHost Service="MovieServiceHostFactory" Language="C#">

D. Decorate the custom service host class with the following line. [System.ServiceModel.Activation.ServiceActivationBuildProvider()]