[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fNzMKm-PAjPNNKFuD2jI-fldXOfzsajMC47c-XYbvBBU":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2023-06-28 15:51:11",86984688,[8,9,10,11],"分布式","单线程","高并发","多线程",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"8906bcc01560912c782a606f3e3a6aa9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F72857241d73e1daa42251297f2a62083.jpg","数据采集与清洗","exam_89478409","爬虫基础","当使用( )处理网络爬虫的海量URL,会处理速度更快",[21,32,41,50,59,68,77,86,89,95],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],86984681,[25,26,27,28],"通用爬虫库-urllib 3","HTML\u002FXML解析器pycurl","爬虫框架-Scrapy","通用爬虫库-Requests","下列关于Python爬虫库的功能,描述不正确的是( )","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],86984682,[36,37,38,39],"人工筛选","访问频度","账号权限","验证码校验","下列不属于常用反爬虫手段的是( )",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],86984683,[45,46,47,48],"增量式网络爬虫","通用网络爬虫","浅层网络爬虫","聚焦网络爬虫","下列不属于常见爬虫类型的是( )",{"answer":51,"createTime":5,"id":52,"options":53,"question":58,"source":30,"type":31},[],86984684,[54,55,56,57],"基于内容评价的爬取策略","基于语境图的爬取策略","基于链接结构评价的爬取策略","基于深度优先的爬取策略","下列不属于聚焦网络爬虫的常用策略的是( )",{"answer":60,"createTime":5,"id":61,"options":62,"question":67,"source":30,"type":31},[],86984685,[63,64,65,66],"DDOS","DOS","XSS","跨域","如果很多爬虫同时对一个网站全速爬取,那么其实就是对网站进行了( )攻击",{"answer":69,"createTime":5,"id":70,"options":71,"question":76,"source":30,"type":31},[],86984686,[72,73,74,75],"网络爬虫程序会抓取所有网页,以保证搜索正确性","在网络爬虫开始时,需要输入一个URL列表,作为网络爬虫的起始位置","网路爬虫是搜索引擎的重要部分","网路爬虫根据某种抓取策略爬取新发现的URL,如此重复下去","下列关于网络爬虫的说法错误的是:( )",{"answer":78,"createTime":5,"id":79,"options":80,"question":85,"source":30,"type":31},[],86984687,[81,82,83,84],"限制访问人数","防止网站信息被竞争对手随意获取","变换网页结构","限制用户访问权限","下列属于反爬虫目的的是( )",{"answer":87,"createTime":5,"id":6,"options":88,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":90,"createTime":5,"id":91,"options":92,"question":93,"source":30,"type":94},[],86984689,[],"请简述网络爬虫的基本工作流程",4,{"answer":96,"createTime":5,"id":97,"options":98,"question":99,"source":30,"type":94},[],86984690,[],"Python中提供了哪几种常见的网络请求方式"]