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  3. 2019年05月系统分析师考试上午真题【基础知识】
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2019年05月系统分析师考试上午真题【基础知识】

【62-63】在以太网标准中规定的最小帧长是(62)字节,最小帧长是根据(63)来定的。

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【64】假设模拟信号的频率为10~16MHz,采样频率必须大于(64)时,才能使得的样本信号不失真。

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【65】TCP和UDP协议均提供了(65)能力。

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【66】建立TCP连接时,一端主动打开后所处的状态为(66)

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【67】配置POP3服务器时,邮件服务器中默认开放TCP的(67)端口。

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【68】某校园网的地址是202.115.192.0/19,要把该网络分成32个子网,则子网掩码该是(68)

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【69】下列无线网络技术中,覆盖范围最小的是(69)

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【70】2019年我国将在多地展开5G试点,届时将在人口密集区为用户提供(70)bps的用户体验速率。

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【71-75】During the systems planning phase, a systems analyst conducts a(71)activity to study the systems request and recommend specific action. After obtaining an authorization to proceed, the analyst interacts with (72) to gather facts about the problem or opportunity,project scope and constraints, project benefits, and estimated development time and costs.In many cases, the systems request does not reveal the underlying problem, but only asymptom. A popular technique for investigating causes and effects is called (73).
The analyst has analyzed the problem or opportunity, defined the project scope and constraints, and performed(74)to evaluate project usability, costs, benefits, and time constraints. The end product of the activity is(75). The main content must include an estimate of time, staffing requirements, costs, benefits, and expected results for the next phase of the SDLC.

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