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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
B.PaaS
C.SaaS
D.DaaS
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参考解析
解析：解析：翻译：A公司是一家云服务提供商，向用户提供老租户、可定制的办公软件和客户关系管理软件，A公司所提供的此项云服务属于（ ）服务类型。A．IaaS B．PaaS C．SaaS D．DaaS
云计算服务按照提供的资源层次，可以分为IaaS、PaaS、SaaS等三种服务类型。——IaaS（基础设施即服务），向用户提供计算机能力、存储空间等基础设施方面的服务。——PaaS（平台即服务），向用户提供虚拟的操作系统、数据库管理系统、Web应用等平台化的服务。——SaaS（软件即服务），向用户提供应用软件（如CRM、办公软件等）、组件、工作流等虚拟化软件的服务。
云计算服务按照提供的资源层次，可以分为IaaS、PaaS、SaaS等三种服务类型。——IaaS（基础设施即服务），向用户提供计算机能力、存储空间等基础设施方面的服务。——PaaS（平台即服务），向用户提供虚拟的操作系统、数据库管理系统、Web应用等平台化的服务。——SaaS（软件即服务），向用户提供应用软件（如CRM、办公软件等）、组件、工作流等虚拟化软件的服务。
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