In order to configure two routers as anycast RPs，which of these requirements，at a minimum， must be satisfied？（） ["Multicast Source Discovery Protocol mesh-groups must be configured between the two anycast RPs.","The RPs must be within the same IGP domain.","Multicast Source Discovery Protocol must be configured between the two anycast RPs.","The two anycast RPs must be IBGP peers."]
PCA-6436工业级PC机（486级）的主板上设有256KB的高速缓存（cache），其功能为（） ["提高系统的处理速度","扩展主存容量","用作RAM半导体盘","用作shadowRAM"]
磁铁矿属于（）。 ["强磁性矿物","弱磁性矿物","非磁性矿物","中磁性矿物"]
登陆电子信箱，需要使用（）。 ["实名和密码","邮箱地址和密码","帐号和密码","手机号码和密码"]
《动车组列车服务质量规范》高铁快件集装件单节车厢装载的列车允许载重量为二等座车厢标记定员乘以（）千克。 ["50","60","70","80"]
LPS
