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  3. 2020年11月系统分析师考试上午真题【基础知识】
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2020年11月系统分析师考试上午真题【基础知识】

【65】Telnet是用于远程访问服务器的常用协议。下列关于Telnet的描述中,不正确的是(65)

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【66】Cookie为客户端持久保持数据提供了方便,但也存在一定的弊端。下列选项中,不属于Cookie弊端的是(66)

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【67】使用电子邮件客户端从服务器下载邮件,能实现邮件的移动、删除等操作在客户端和邮箱上更新同步,所使用的电子邮件接收协议是(67)

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【68】用户在登录FTP服务器的过程中,建立TCP连接时使用的默认端口号是(68)

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【69】在Linux系统中,DNS配置文件的(69)参数,用于确定DNS服务器地址。

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【70】为了控制IP报文在网络中无限转发,在IPv4数据报首部中设置了(70)字段。

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【71-75】Unified Modeling Language (UML) is a widely used method of visualizing and documenting an information system. The UML can be used to develop (71) , in which an object represents a person, place, event, or transaction that is significant to the information system. Systems analysts define an object,s attributes during the (72) . An object also has (73) , which are tasks or functions that the object performs when it receives a message, or command, to do so. A(n) (74) is a group of similar objects. If objects are similar to nouns,attributes are similar to adjectives that describe the characteristics of an object. Objects can have a specific attribute called a(n) (75) , which of an object is an adjective that describes the object,s current status. All objects within a class share common attributes and methods, so a class is like a blueprint, or template fbr all the objects within the class.

真题详情及解析
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