【单选题】A Windows Communication Foundation (WCF) service has a callback contract. You are developing a client application that will call this service.You must ensure that the client application can interact w...
A.
On the OperationContractAttribute, set the AsyncPattern property value to true.
B.
On the OperationContractAttribute, set the ReplyAction property value to the endpoint address of the client.
C.
On the client, create a proxy derived from DuplexClientBase .
【单选题】A Windows Communication Foundation (WCF) service is deployed with netTcpBinding. This service uses a duplex message exchange pattern.You are developing the next version of the WCF service. You discove...
A.
Use basicHttpBinding.
B.
Create a custom binding that has the compositeDuplex, textMessageEncoding, and namedPipeTransport binding elements in this order.
C.
Create a custom binding that has the compositeDuplex, textMessageEncoding, and wsHttpTransport binding elements in this order.
【单选题】Your company has a domain controller named Server1 that runs Windows Server 2008 R2 and the DNS Server server role. A server named Server2 runs a custom application.You need to configure DNS to includ...
【简答题】称取含铝试样0.5000g,溶解后用8-羟基喹啉沉淀,得到0.3200gAl(C 9 H 6 NO) 3 沉淀。计算试样中铝的质量分数。沉淀形式若为Al 2 O 3 ,可得到多少克Al 2 O 3 沉淀物?[M(Al)=26.98g·mol -1 ,M(AlC 27 H 18 N 3 O 3 )=459.44g·mol -1 ,们(Al 2 O 3 )=101.96g·mol -1 ]