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单选题 1分

一个程序的控制流图中有5个节点、8条边，在测试用例数最少的情况下，确保程序中每个可执行语句至少执行一次所需测试用例数的上限是（ ）。

  • A.2
  • B.3
  • C.5
  • D.7
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1 单选题 1分
以下关于测试方法的叙述中，正确的是（ ）。
  • A.根据是否需要执行被测试代码可分为系统测试和单元测试
  • B.黑盒测试也叫做结构测试，针对代码本身进行测试
  • C.动态测试主要是对软件的逻辑、功能等方面进行评估
  • D.白盒测试把被测试代码当成透明的盒子，完全不可见
2 单选题 1分
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 foundation for implementing the_（请作答此空）__layer for SaaS application.
  • A.resource
  • B.service
  • C.application
  • D.software
3 单选题 1分
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_（请作答此空）__for building the platform layer of the cloud.In turn,the platform layer is foundation for implementing the_（ ）__layer for SaaS application.
  • A.foundation
  • B.hardware
  • C.software
  • D.network
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