【单选题】
以下关于计算机网络协议的叙述中,不正确的是___。
A. :网络协议就是网络通信的内容
B. :制定网络协议是为了保证数据通信的正确、可靠
C. :计算机网络的各层及其协议的集合,称为网络的体系结构
D. :网络协议通常由语义、语法、变换规则3部分组成
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面向社会服务的信息系统突发安全事件时所采取的技术措施中一般不包括___。
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A. : 1
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),并了解他们考虑的一些问题。这些问题一般不包括___。
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信息处理技术员资格考试的试卷包括信息处理基础知识、计算机基础知识、法律法规知识、专业英语、办公软件使用技能五个方面。某次考试后,对这五个方面分别统计了各考生的得分率以及全国的平均得分率。为了直观展现每个考生在各个方面的水平以及该考生的整体水平,并与全国平均水平进行比较,宜采用___。
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___ system let you run more tlian one program at a time
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Refer to the exhibit line in this configuration prevents the help Desk user from modifying the interface configuration.___
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D.
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Which feature of the Cisco Email Security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attacks?___
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Which user authentication method is used when users login to the Clientless SSLVPN portal using https://209.165.201.2/test?___
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Which product can be used to provide application layer protection for tcp port 25 traffic?___
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which iPS mode is less secure than other options but allows optimal network through put ?___
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