题目
SOA(Service Oriented Architecture)是一种设计和实现信息应用系统的架构模型,它的基本单元是(37)。
A.接口
B.服务
C.协议
D.对象
第1题
A.SCA定义了语言中立的服务组合方式,能够进行跨语言的服务调用
B.SCA加强组件的接口与传输协议的关联,提高组件的内聚性
C.SCA实现服务组件和其传输协议的绑定,这种绑定是可扩展的
D.SCA主要是为了满足软件集成的需要而创建的架构
第2题
You are integrating a Windows Communication Foundation (WCF) service within an enterprise-wide Service Oriented Architecture (SOA).Your service has the following service contract:[ServiceContract]public class CreditCardConfirmationService { [OperationContract] boolean ConfirmCreditCard(string ccNumber);double OrderAmount(int orderNumber);}You need to allow the code in the ConfirmCreditCard method to participate automatically in existing transactions.If there is no existing transaction, a new transaction must be created automatically. What should you do?()
A. Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new TransactionScope()) block.
B. Inside the ConfirmCreditCard method, surround the code that must participate in the transaction with a using(new CommittableTransaction()) block.
C. Add an [OperationBehavior(TransactionScopeRequired=true)] attribute to the ConfirmCreditCard method.
D. Add an [OperationBehavior(TransactionAutoComplete=true)] attribute to the ConfirmCreditCard method.
第3题
服务组件体系结构(Service Component Architecture,SCA)是基于面向服务体系结构(Service Oriented Architecture,SOA)的思想描述服务之间组合和协作的规范。以下关于SCA的叙述,不正确的是(33)。
A.SCA定义了语言中穴的服务组合方式,能够进行跨语言的服务调用
B.SCA加强组件的接口与传输协议的关联,提高组件的内聚性
C.SCA实现服务组件和其传输协议的绑定,这种绑定是可扩展的
D.SCA主要是为了满足软件集成的需要而创建的架构
第4题
(33)
A. SCA 定义了语言中立的服务组合方式,能够进行跨语言的服务调用
B. SCA 加强组件的接口与传输协议的关联,提高组件的内聚性
C. SCA 实现服务组件和其传输协议的绑定,这种绑定是可扩展的
D. SCA 主要是为了满足软件集成的需要而创建的架构
第5题
第6题
第8题
A. It uses a Reliable transport mechanism.
B. It uses a Non-reliable transport mechanism
C. It is less bandwidth-intensive than connection oriented services
D. it uses handshaking
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