简答题 什么是结构化方法?比较结构化方法和原型化方法的优缺点?
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简答题 设在125ps内传输128个二进制码元,计算信息传输速率为多少?若该信息在5s内有3个码元产生误码,试问其误码率为多少?
You are developing a client application that uses the following code to consume a Windows Communication Foundation (WCF) service.(Line numbers are included for reference only.)01 BasicHttpBinding myBinding = new BasicHttpBinding();02 EndpointAddress myEndpointAddress = new EndpointAddress("http://contoso.com/TaxService.svc");03 ...04 ITaxService client = channelFactory.CreateChannel();05 string data = client.GetData(1);You need to consume the service.Which code segment should you insert at line 03?()
A. var channelFactory = new ChannelFactory();
B. var channelFactory = new ChannelFactory(myBinding);
C. var channelFactory = new ChannelFactory(myBinding, myEndpointAddress);
D. var channelFactory = new ChannelFactory("http://contoso.com/TaxService.svc");
简答题 什么叫传信率?什么叫码元速率?说明两者的不同与关系。