第1题：
You are hosting a Windows Communication Foundation (WCF) service at http://www.contoso.com for a law enforcement agency.The agency adds operations to support sending biometric fingerprint data via non-buffered streaming.The service data is routed between intermediaries. The WCF binding you are using by default does not support encryption.You need to ensure that the fingerprint data is not disclosed when passed over the network. What should you do?（）
A. Use basicHttpBinding with message security to https://www.contoso.com
B. Use basicHttpBinding with transport security to https://www.contoso.com
C. Use wsHttpBinding with message security to https://www.contoso.com
D. Use wsHttpBinding with transport security to http://www.contoso.com
第2题：
Cloud computing provides on-demand service to users by using distributed computing and（）resource management.
A.network
B.virtual
C.centralized
D.Specialized
第3题：
You develop a Windows Communication Foundation (WCF) service that uses basic authentication for client credentials. This service is currently configured to use message security. The service is hosted on a server in workgroup mode.Users report that their passwords are stolen when they use public computers.You need to ensure that messages are secure and users are authenticated.You prevent the service from being called over HTTP through Microsoft Internet Information Services (IIS) configuration.What should you do next?（）
A. Use the transport security mode and specify None for transport client credential type.
B. Use the transportWithMessageCredential security mode and specify Basic for the transport client credential type.
C. Use the message security mode and specify Basic for the transport client credential type.
D. Use the transportWithMessageCredential security mode and specify None for the transport client credential type.
第4题：
Cloud-computing providers offer their “services” according to different models, which happen to form a stack（ ）, platform as a service (Paas), software as a service (SaaS)
A.hardware as a service (Haas)
B.network as a service (NaaS)
C.infrastructure as a service (IaaS)
D.data as a service (DaaS)
第5题：
is the use of computing resources (hardware and software) that a delivered as a service over a network (typically the Internet).
A.Virtualization
B.Internet of things
C.Cloud computer
D.Cloud computing
第6题：
Cloud computing is a type of Internetbased computing that provides shared computer processing resources and data to computers and other devices on demand. Advocates claim that cloud computing allows companies to avoid upfront infrastructure costs. Cloud computing now has few service form, but it is not including()
AIaaS
B.PaaS
C.SaaS
D.DaaS
第7题：
（ ）is a style of computing in which dynamically scalable and offer virtualized resources are provided as a service over the Internet.
A. Cloud computing B. Big dataC. Social media D. Mobile computing
第8题：
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9题：
Cloud computing is a style of computing in which dynamically scalable and often （ ）resources are provided as a service over the internet.
A.realB.fixedC.actualD.virtualized
第10题：
When we use VolP service，the voice packets over the Internet arrive at their destination in a（ ） stream.
A.burst B.delayed C.interrupted D.continuous