| 软件水平考试系统分析师易错题（2018/7/31） |
| 第1题：下列关于瀑布模型的描述正确的是( )
A、瀑布模型的核心是按照软件开发的时间顺序将问题简化 B、瀑布模型具有良好的灵活性 C、瀑布模型采用结构化的分析与设计方法，将逻辑实现与物理实现分开 D、利用瀑布模型，如果发现问题修改的代价很低 |
| 【单选题】： |
| 第2题：JavaBean组件模型特点不包括( )
A、JavaBean组件模型是面向应用的组件模型 B、它支持可移植和可重用的Java组件的开发 C、JavaBean组件可以工作于任何Java程序应用开发工具中 D、JavaBean组件总是在程序运行时被实例化 |
| 【单选题】： |
| 第3、4、5、6、7题：In the following essay, each bland has four choices.Choose the best answer and write down on the answer sheet. With the implementation of (6) the so – called network has become a reality. The provision of such facilities is the most important part of the network requirements. However, in many applications the communicating computers may be of different types. This means that they may use different programming languages and, more importantly, different forms of (7) interface between user(application)program, normally referred to ,as application processes, and the underlying communication services may be (8). For example, one computer may be a small single-user computer, while another may be a large (9) system. In the earlier days of computer communication, these issues meant that only closed communities of computers (that is, from the same manufacturer) could communicate with each other in a meaningful way. IBM’s systems NetworkArchitecture (SNA、andDEC’sDigital NetworkArchitectureDNA、are just two examples of communication software packages produced by manufacturers to allow their systems to be intercormected together. These proprietary packages, however, of which there am still many inexistence, do not address the problem of universal interconnect ability, or open systems interconnection. In an attempt to alleviate this problem,(10) ,in the late 1970s,formulated a reference model to provide a common basis (or the coordination of standards developments and to allow existing and evolving standards activities to be placed into perspective with one another.
(6) A、communicationchannel B、protocols C、datachannel D、publiccommunication (7) A、database B、datarepresentation C、protocols D、datacommunication (8) A、same B、similar C、different D、dependent (9) A、multi-user B、client C、server D、full-user (10) A、DNA B、SNA C、theOSI D、theISO |
| 【单选题】： |
| 【单选题】： |
| 【单选题】： |
| 【单选题】： |
| 【单选题】： |
| 第8、9题：两个公司希望通过Internet进行安全通信保证从信息源到目的地之间的数据传输以密文形式出现，而且公司不希望由于在传输节点使用特殊的安全单元而增加开支，最合适的加密方式是(1)，使用的会话密钥算法应该是(2)
(1) A、链路加密 B、节点加密 C、端—端加密 D、混合加密 (2) A、RSA B、RC—5 C、MD5 D、ECC |
| 【单选题】： |
| 【单选题】： |
| 第10题：某软件公司开发的《财务之星》管理软件，在我国受法律保护的依据是( )
A、《中华人民共和国专利法》 B、《中华人民共和国科学技术进步法》 C、《中华人民共和国商标法》 D、《中华人民共和国著作权法》 |
| 【单选题】： |