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Software as a service（SaaS）是何种计算模式，与传统的计算模式比较，有何特点，请举例说明。
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软件即服务(Softwareasa Service,简称SaaS)是21世纪初期兴起的一种新的软件应用模式。下列关于SaaS特点的表述中,不正确的是()
A.SaaS与按需软件(On-demandSoftware)、应用服务提供商(Application ServiceProvider，简称ASP)、托管软件(Hosted Software)具有相似的含义B.用户购买相应SaaS软件后，部署在自己的服务器上C.SaaS采用灵活租赁的收费方式D.SaaS提供商通过有效的技术措施，可以保证每家企业数据的安全性和保密性
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Your network consists of numerous domains within a LAN, plus one remote location that is configured as another domain within the tree. Each domain contains several organizational units. The remote domain is connected to the main office network by using 56-Kbps connection, as shown in the Exhibit.The remote location is running a previous service pack for Windows 2000, and the LAN is running the most recent service pack.You want to configure a group policy for the remote location so that users can repair a problem with a service pack system file. You also want to reduce the traffic on the LAN and ease administration of the group policies. You want to retain the domain administrator's access to the group policy configuration.What should you do?A．Configure a group policy for each OU in the west.litware.com domain. Configure a service pack software package for each group policy.B．Configure a group policy for each OU in the litware.com domain. Configure a service pack software package for each group policy.C．Configure a group policy for west.litware.com domain. Configure a service pack software package for the group policy.D．Configure a group policy for the litware.com domain. Configure a service pack software package for the group policy.
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论SaaS(Software-as-a-Service，软件即服务)的关键技术SaaS是一种通过互联网提供软件服务的模式，在该模式中企业用户不用再购买软件，而采用向软件服务提供商租用软件的方式来完成本企业经营活动。在这种模式下，企业无需建设机房、购买软硬件、雇用IT人员对软件进行维护，只需向软件服务提供商支付项目实施费和定期的软件租赁服务费，软件服务提供商负责管理和维护软件。目前，这种模式在国外和国内都获得了一定的成功。请围绕“SaaS关键技术”论题，依次对以下三个方面进行论述。1．概要叙述你参与的SaaS项目以及你在其中所担任的主要工作，包括角色、工作内容等。2．SaaS为诸多用户提供了较通用的软件系统，请详细论述SaaS为此所使用的关键技术。3．通过你的切身实践论述SaaS中安全性和扩展性的解决方案。
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如果将部门聚餐烤肉比作购买云计算服务,去饭店吃自助烤肉、去饭店直接吃烤肉、自己架炉子买肉烤着吃,分别对应()服务。
A.PaaS、SaaS、laaSB.SaaS、PaaS、laaSC.SaaS、laaS、PaaSD.PaaS、laaS、SaaS
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Which software process sorts client login requests and assigns them to a virtual router for RADIUS service?()
A.PPPB.AAAC.LCPD.NCP
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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)
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Cloud computing is a phrase used to describe a variety of computing concepts that involve a large number of computers（ ） through a real-time communication network such as the Internet. In
science, cloud computing is a （ ）for distributed computing over a network, and means the （ ） to run a program or application on many connected computers at the same time.
The architecture of a cloud is developed at three layers: infrastructure, platform, and application. The infrastucture layer is built with virtualized computestorageand network resources. The platform lay-er is for general-purpose and repeated usage of the collection of software resources. The application layer is formed with a collection of all needed software modules for SaaS applications. The infrastucture layer servesas the（ ） for building the platform layer of the cloud. In turn, the platform layer is founda-tion for implementing the （请作答此空）layer for SaaS applicationA.resource
B.service
C.application
D.software
考题
Cloud computing is a phrase used to describe a variety of computing concepts that involve a large number of computers （ ）through a real-time communication network such as the Internet．In science，cloud computing is a （ ）for distributed computing over a network，and means the （ ）to run a program or application on many connected computers at the same time．The architecture of a cloud is developed at three layers： infrastructure，platform，and application，The infrastructure layer is built with virtualized compute，storage，and network resources．The platform layer is for general-purpose and repeated usage of the collection of software resources．The application layer is formed with a collection of all needed software modules for SaaS applications．The infrastructure layer serves as the（ ）for building the platform layer of the cloud． In turn，the platform layer is a foundation for implementing the（请作答此空）layer for SaaS applications．A.resoruce
B.service
C.application
D.software
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Company A is a cloud service provider that provides users with old tenants,customizable office software and customer relationship management software.The cloud service provided by Company A belongs to()service type.A.IaaS
B.PaaS
C.SaaS
D.DaaS
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Cloud-computing providers offer their“services”according to differentmodels,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)
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NeuSA的英文全称是（）。A、Neusoft Service ApplicationB、Neusoft Software ApplicationC、Neusoft Solution ArchitectureD、Neusoft SOA Architecture
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云计算按照服务类型大致可以分为三类：将基础设施作为服务IaaS、将平台作为服务PaaS和将软件作为服务SaaS。其中IaaS的全称是Infrastructure as a Service。
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For WSA SaaS Access Control， the Identity Provider is：（） A、 Integrated into the Authentication ServerB、 Deployed by theSaaS service providerC、 Integrated into the WSAD、 An ICAP server that the WSA is configured to communicate with
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Which of the following is the BEST support channel for server software and hardware?（）A、Online troubleshooting toolsB、Service Level Agreement (SLA)C、Vendor websiteD、Support forums
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The primary purpose of an SLA between the service provider and customer is to agree on which of the following？（）A、Monthly bandwidth limits， server configuration， and software baseline.B、Number of dedicated technicians assigned to network issues.C、Level of service including energy consumption， bandwidth and server color.D、Level of service including time limits for service， repair and replacement.
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多选题Which two statements about JUNOS Software packet handling are correct？（）AJUNOS Software applies service ALGs only for the first packet of a flow.BJUNOS Software uses fast-path processing only for the first packet of a flow.CJUNOS Software performs route and policy lookup only for the first packet of a flow.DJUNOS Software applies SCREEN options for both first and consecutive packets of a flow.
考题
单选题For WSA SaaS Access Control， the Identity Provider is：（）A
Integrated into the Authentication ServerB
Deployed by theSaaS service providerC
Integrated into the WSAD
An ICAP server that the WSA is configured to communicate with
考题
问答题Software as a service（SaaS）是何种计算模式，与传统的计算模式比较，有何特点，请举例说明。
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