题目
You are creating an application that consumes a Windows Communication Foundation (WCF) service. The service implements the IService contract. The client application contains the CallbackHandler class, which implements IServiceCallback.You need to ensure that a client proxy is created that can communicate with the service over a duplex channel.Which code segment should you use?()
A.
B.
C.
D.
第1题
第2题
A.
B.
C.
D.
第3题
B.When creating info records
C.When creating a purchase order
D.When creating contracts
第4题
第5题
A.
B.
C.
D.
第6题
A.NetTcpContextBinding
B. BasicHttpContextBinding
C. NetTcpBinding
D. NetMsmqBinding
第7题
If you associate with such people, I‘ m afraid you ________serious trouble.
A.are heading for
B.are making
C.are avoiding
D.are creating
第8题
You are creating a Windows Communication Foundation (WCF) service that implements operations in a RESTful manner. You need to add a delete operation. You implement the delete method as follows:void DeleteItems(string id);You need to configure WCF to call this method when the client calls the service with the HTTP DELETE operation. What should you do?()
A. Add the WebInvoke(UriTemplate="/Items/{id}", Method="DELETE") attribute to the operation
B. Add the HttpDelete atribute to the operation
C. Replace the string parameter with a RemovedActivityAction parameter
D. Replace the return type with RemovedActivityAction.
第9题
You are creating a Windows Communication Foundation (WCF) service that uses claims-based authorization. The following code retrieves the correct claim set.var claims = ServiceSecurityContext.Current.AuthorizationContext.ClaimSets[0];You need to validate that the requesting client application has included a valid DNS value in the claim.Which code segment should you use to retrieve the claim for validation?()
A. claims.FindClaims(ClaimTypes.Dns, Rights.PossessProperty).FirstOrDefault();
B. claims.FindClaims(ClaimTypes.Dns, Rights.Identity).FirstOrDefault();
C. claims.ContainsClaim(Claim.CreateDnsClaim(ClaimTypes.Dns));
D. claims.Equals(ClaimTypes.Dns);
第10题
A.
B.
C.
D.
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