[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fo18dxSmxOyyMF3a5hIfbla6SutX3xbIWyrP8w6otQWA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-11-21 12:13:05",238646367,[8,9,10,11],"占用大量内存空间","携带病毒或钓鱼链接","导致显示器损坏","降低打印机打印速度",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},29,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_47495764","网络安全与防护","&quot;垃圾邮件&quot;除了干扰用户,还可能带来的风险是",[21,32,41,44,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],238646365,[25,26,27,28],"验证数据完整性","确认发送者身份","加密传输的数据内容","防止发送者否认发送行为","数字签名的主要作用不包括","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],238646366,[36,37,38,39],"避免在公共WiFi下进行网上银行、支付等操作","连接前确认WiFi热点名称的真实性","使用公共WiFi时关闭设备的文件共享功能","随意连接无密码的公共WiFi","下列关于公共WiFi的使用建议,错误的是",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":30,"type":31},[],238646368,[48,49,50,51],"传染性","破坏性","自愈性","隐蔽性","计算机病毒的主要特征不包括",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],238646369,[57,58,59,60],"对称加密的密钥管理比非对称加密更简单","非对称加密常用于加密大量数据","对称加密中,密钥需要通过安全渠道传递","数字签名主要依赖对称加密算法实现","下列关于对称加密和非对称加密的说法,正确的是",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],238646370,[66,67,68,69],"检测计算机硬件是否存在故障","查找计算机系统或软件中可能被攻击的安全漏洞","扫描计算机内是否存在病毒文件","清理计算机中的垃圾文件","&quot;漏洞扫描&quot;的作用是",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],238646371,[75,76,77,78],"通过U盘传播病毒","伪造银行官网骗取用户账号密码","暴力破解路由器密码","占用网络带宽导致网速变慢","下列哪种行为属于典型的网络钓鱼攻击",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],238646372,[84,85,86,87],"打开来历不明的电子邮件附件","正常使用经过杀毒的正版软件","断开计算机与网络的连接","定期清理计算机中的临时文件","下列哪种行为可能导致计算机感染病毒",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],238646373,[93,94,95,96],"设置设备锁屏密码或生物识别解锁","从非官方应用商店下载安装APP","定期更新手机操作系统和APP","丢失设备后及时远程锁定或擦除数据","下列关于移动设备安全的建议,错误的是",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],238646374,[102,103,104,105],"删除计算机内所有文件","加密用户文件,要求付费解锁","窃取用户聊天记录","导致计算机硬件损坏","&quot;勒索病毒&quot;最主要的危害是"]