【单选题】
在下列有关电子邮件(Email)叙述中，错误的是 ___ 。
A. 电子邮件可以带附件
B. EMAIL地址具有特定的格式，“<邮箱名> ”@ <邮件服务器域名>”
C. 目前邮件发送时一般采用POP3协议，接受时采用SMTP协议
D. 用outlook收发电子邮件之前，必须先进行邮件帐户的设置。
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答案
C
解析
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相关试题
【单选题】
在搜索引擎中搜索计算机网络中的互联设备“路由器”，最合适的查询条件为___。
A. “计算机网络 路由器”
B. 计算机网络+路由器
C. 计算机网络-路由器
D. 计算机网络/路由器
【单选题】
下面有关搜索引擎的说法，错误的是___。
A. 搜索引擎是网站提供的免费搜索服务
B. 每个网站都有自己的搜索引擎
C. 利用搜索引擎一般都能查到相关主题
D. 搜索引擎对关键字或词进行搜索
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下面关于防火墙说法正确的是___。
A. 防火墙必须由软件以及支持该软件运行的硬件系统构成
B. 防火墙的功能是防止把网外未经授权的信息发送到内网
C. 任何防火墙都能准确地检测出攻击来自哪一台计算机
D. 防火墙的主要支撑技术是加密技术
【单选题】
一下关于防火墙的说法，不正确的是___。
A. 防火墙是一种隔离技术
B. 防火墙的主要工作原理是对数据包及来源进行检查，阻断被拒绝的数据
C. 防火墙的主要功能是查杀病毒
D. 防火墙虽然能够提高网络的安全性，但不能保证网络绝对安全
【单选题】
在主动攻击中，重放指的是 ___ 。
A. 一个实体伪装成另一个实体
B. 被动捕获数据单元，然后重新发送，产生未授权的效果
C. 改变真实消息的部分内容
D. 将消息重新排序或延迟
【单选题】
在现阶段，我国社会的主要矛盾是 。___
A. 阶级矛盾
B. 人民内部矛盾
C. 物质文化需要同落后的社会生产之间的矛盾
D. 人民日益增长的美好生活需要和不平衡不充分的发展之间的矛盾
【单选题】
从二〇二〇年到本世纪中叶可以分两个阶段来安排。第二个阶段，从 到 ，在基本实现现代化的基础上，再奋斗十五年，把我国建成富强民主文明和谐美丽的社会主义现代化强国。___
A. 2020年；2035年
B. 2035年；2050年
C. 2030年；2045年
D. 2035年；本世纪中叶
【单选题】
十九届四中全会提出，要把不忘初心、牢记使命作为加强党的建设的永恒课题和全体党员、干部的 课题，形成长效机制，坚持不懈锤炼党员、干部忠诚干净担当的政治品格。___
A. 永恒
B. 终身
C. 重大
D. 时代
【单选题】
为贯彻落实党的十九大精神， 着重研究了坚持和完善中国特色社会主义制度、推进国家治理体系和治理能力现代化的若干重大问题。___
A. 中共十九届中央委员会第一次全体会议
B. 中共十九届中央委员会第二次全体会议
C. 中共十九届中央委员会第三次全体会议
D. 中共十九届中央委员会第四次全体会议
【单选题】
关于党支部的说法中，下列错误的是___
A. 党支部设立一般以单位、区域为主，以单独组建为主要方式
B. 党支部党员大会议题提交表决前，应当经过充分讨论。表决必须有半数以上有表决权的党员到会方可进行，赞成人数超过应到会有表决权党员的三分之二为通过
C. 党支部工作必须坚持践行党的宗旨和群众路线，组织引领党员、群众听党话、跟党走，成为党员、群众的主心骨
D. 党支部的成立，一般由基层单位提出申请，所在乡镇（街道）或者单位基层党委召开会议研究决定并批复，批复时间一般不超过1个月
【单选题】
《党章》规定，党坚持标本兼治、综合治理、惩防并举、注重预防的方针，建立健全惩治和预防腐败体系，坚持不懈地反对腐败，加强 建设和 建设。___
A. 思想 民主
B. 党风 思想
C. 廉政 思想
D. 党风 廉政
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