软件可靠性管理把软件可靠性活动贯穿于软件开发的全过程,成为软件工程管理的一部分。确定软件可靠
A.需求分析
B.概要设计
C.详细设计
D.测试阶段
A.需求分析
B.概要设计
C.详细设计
D.测试阶段
A.每个加工至少有一个输入数据流,可以没有输出数据流
B.不允许一个加工有多条数据流流向另一个加工
C.不允许一个加工有两个相同的输出数据流流向两个不同的加工
D.必须保持父图与子图平衡
A.模拟攻击试验必须借助于特定的漏洞扫描器才能完成
B.对安全测试来说,模拟攻击试验是一组特殊的白盒测试案例,必须在充分了解系统安全机制的软件组成基础上,才能进行相应攻击试验的设计与试 验
C.缓冲区溢出攻击是一种常见的模拟攻击试验,此类攻击者通常通过截获含有身份鉴别信息或授权请求的有效消息,将该消息进行重演
D.服务拒绝攻击是一种常见的模拟攻击试验,此类攻击者通常通过向服务器发送大量虚假请求,使得服务器功能不能正常执行
For nearly ten years, the Unified Modeling Language (UML) has been the industry standard for visualizing, specifying, constructing, and documenting the(71) of a software-intensive system. As the(72) standard modeling language, the UML facilitates communication and reduces confusion among project(73) . The recent standardization of UML 2.0 has further extended the language"s scope and viability. Its inherent expressiveness allows users to(74) everything from enterprise information systems and distributed Web-based applications to real-time embedded systems.
The UML is not limited to modeling software. In fact, it is expressive enough to model(75) systems, such as workflow in the legal system, the structure and behavior. of a patient healthcare system, software engineering in aircraft combat systems, and the design of hardware.
To understand the UML, you need to form. a conceptual model of the language, and this requires learning three major elements: the UML"s basic building blocks, the rules that dictate how those building blocks may be put together, and some common mechanisms that apply throughout the UML.
A.classes
B.components
C.sequences
D.artifacts
A.营销点、商品名
B.营销点、条形码
C.负责人姓名、商品名
D.负责人姓名、条形码
A.128
B.256
C.512
D.1024
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