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OSI中会话层不提供机密性服务。()

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  • 【名词&注释】

    关键因素、基本概念(basic concept)、批处理(batch processing)、内部结构(internal structure)、系统控制(system control)、像素点(pixel point)、十进制(decimal system)、程序的正确性(program correctness)、操作数(operand)、十六进制数(hexadecimal number)

  • [判断题]OSI中会话层不提供机密性服务。()

  • 查看答案&解析 点击获取本科目所有试题
  • 举一反三:
  • [单选题]
  • B. know-how C. expertise D. skillfulness

  • A. experienceB. know-how
    B. expertise
    C. skillfulness

  • [单选题]Observe that for the programmer,as for the chef, the urgency of the patron(顾客)may govern the scheduled completion of the task,but it cannot govern the actual completion.An omelette(煎鸡蛋),promised in two minutes,may appear to be progressing nicely.But when it has not set in two minutes,the customer has two choices—waits or eats it raw.Software customers have had (71) choices.Now I do not think software (72) have less inherent courage and firmness than chefs,nor than other engineering managers.But false (73) to match the patron's desired date is much more common in our discipline than elsewhere in engineering.It is very (74) to make a vigorous,plausible,and job risking defense of an estimate that is derived by no quantitative method,supported by little data,and certified chiefly by the hunches of the managers.
  • A. We need to develop and publicize productivity figures,bug-incidence figures,estimating rules,and so on.The whole profession can only profit from (75) such data.Until estimating is on a sounder basis.individual managers will need to stiffen their backbones and defend their estimates with the assurance that their poor hunches are better than wish derived estimates.
    B. (71)
    C. no
    D. the same
    E. other
    F. lots of

  • [单选题]白盒测试主要用于测试(33)。
  • A. 程序的内部逻辑
    B. 程序的正确性(program correctness)
    C. 程序的外部功能
    D. 结构和理性

  • [单选题]限制了创建类的实例数量,而(41)将一个类的接口转换成客户希望的另外一个接口,使得原本由于接口不兼容而不能一起工作的那些类可以一起工作。
  • A. 命令模式(Command)
    B. 适配器模式(Adapter)
    C. 策略模式(Strategy)
    D. 单例模式(Singleton)

  • [单选题]对8位补码操作数(operand)A5H进行2次算术右移的结果为______(不必转换成十进制(decimal system)数)。
  • A. D2H
    B. 52H
    C. E9H
    D. 69H

  • [单选题]下列关于dpi的叙述中,(58)是正确的。①每英寸的bit数
  • A. ②每英寸像素点
    B. ③dpi越高图像质量越低
    C. ④描述分辨率的单位
    D. ①,③
    E. ②,④
    F. ①,④
    G. 全部

  • [单选题]● 以下关于Cache的叙述中,正确的是 (4) 。(4)
  • A. 在容量确定的情况下,替换算法的时间复杂度是影响Cache命中率的关键因素
    B. Cache的设计思想是在合理成本下提高命中率
    C. Cache的设计目标是容量尽可能与主存容量相等
    D. CPU中的Cache容量应大于CPU之外的Cache容量

  • [单选题]●作业与进程的主要区别有 (16) 。(16)
  • A. 前者是由用户提交,后者是由系统自动生成
    B. 两者执行不同的程序段
    C. 前者是批处理的,后者是分时的
    D. 后者可并发执行,前者则不行

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