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问题 多项选择题

综合客户端故障分析，下面哪些是涉及光端机设备的故障原因（）.

A.传输线路损坏

B.光端机或板卡损坏

C.光端机或端口掉死

D.互联设备端口模式不匹配

答案

参考答案：A, B, C, D

单项选择题

对CPU说法错误的是（）

A.由存储器和控制器组成

B.由运算器和控制器组成

C.中央处理器

D.计算机的性能主要取决于CPU
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单项选择题

Developing reliable software on time and within (1) represents a difficult endeavor for many organizations.
Usually business solutions have three main aspects:people, (2) , and technology.The main reason for failing software projects has little to do with technology and tools, and much to do with lack of process (3) . Experience has shown that introducing new technology and tools in an immature or undisciplined environment is likely to increase the chaos. CASE tools are not enough. "A fool with a tool is still a fool!"
Structured method was the first wave of the software industry. This was the beginning of transforming software development from a " (4) industry" to mass production.Software process movement if the second wave in the software industry.The process maturity movement prepares the way for the third wave of the software industry: "software industrialization". Software development will become like an assembly and manufacturing process. A critical enabling factor is a disciplined software engineering process with predictable quality, (5) and functionality.

A. planB. schedule C. effort D. product
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