[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fQ-LdWbuDZb1u8UExUlXga86l73dQtDIc33Jqd6aHYRI":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2026-01-04 23:45:52",301675856,[8,9,10,11],"自发性","简易性","长期性","偶然性",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},52,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_47504203","2025秋季学期作业","中国有句俗话,"望山跑死马".期望自己一觉醒来发现理想已经实现,这是不可能出现的.这说明,理想的实现具有 ( )",[21,33,42,51,60,69,78,84,93,102],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2025-10-30 03:07:04",225848612,[26,27,28,29],"个人计算机","互联网","信息处理","云计算,物联网和大数据","哪个是第三次信息化浪潮的标志","v1",0,{"answer":34,"createTime":23,"id":35,"options":36,"question":41,"source":31,"type":32},[],225848613,[37,38,39,40],"GB","KB","PB","MB","1TB=1024",{"answer":43,"createTime":23,"id":44,"options":45,"question":50,"source":31,"type":32},[],225848614,[46,47,48,49],"数据存储","数据处理","网络技术","数据安全","mapreduce是()工具",{"answer":52,"createTime":23,"id":53,"options":54,"question":59,"source":31,"type":32},[],225848615,[55,56,57,58],"64","128","256","512","在默认情况下,HDFS块的大小为",{"answer":61,"createTime":23,"id":62,"options":63,"question":68,"source":31,"type":32},[],225848616,[64,65,66,67],"不同机架的节点上","同一机架的节点上","存储器中","缓存中","在大多数情况下,副本系数是3,HDFS的存放策略将第二个副本放在",{"answer":70,"createTime":23,"id":71,"options":72,"question":77,"source":31,"type":32},[],225848617,[73,74,75,76],"4","5","1","2","假设设置的副本数(即参宿dfs.replication)是3,现在系统中有5个副本,那么系统会删除几个副本",{"answer":79,"createTime":23,"id":80,"options":81,"question":83,"source":31,"type":32},[],225848618,[82,76,75,73],"3","在配置文件hdfs-default.xml中定义副本率为()时,HDFS将永远处于安全模式",{"answer":85,"createTime":23,"id":86,"options":87,"question":92,"source":31,"type":32},[],225848619,[88,89,90,91],"A.提供名称查询服务","B.保存Block信息,汇报Block信息","C.保存metadata信息","D.metadata信息在启动后会加载到内存","下列()不属于NameNode的功能",{"answer":94,"createTime":23,"id":95,"options":96,"question":101,"source":31,"type":32},[],225848620,[97,98,99,100],"A.一次写入,少次读","B.多次写入,少次读","C.多次写入,多次读","D.一次写入,多次读","HDFS是基于流数据模式访问和处理超大文件的需求而开发的,具有高容错、高可靠性、高可扩展性、高吞吐率等特征,适合的读写任务是",{"answer":103,"createTime":23,"id":104,"options":105,"question":110,"source":31,"type":32},[],225848621,[106,107,108,109],"NTFS","B.FAT32","C.GFS","D. EXT3","下面与HDFS类似的框架是"]