[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fXjSF7WdlC8mhYC5PrvbuhpMftkOMP7vQnDe-TZ1o3m8":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2024-12-27 02:06:57",174391319,[8,9,10,11],"VC networks","both A and B","TDM","FDM",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"f132e9756f230253ab205f8694124078","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fbfa9efe88fd2502a5c2c79197c55ebb1.jpg","计算机网络（双语）","work_39595511","NetFun Review: Trans & App","Which of the following option belongs to the circuit-switched networks? ( )",[21,33,42,51,60,69,78,87,96,99],{"answer":22,"createTime":23,"id":24,"options":25,"question":30,"source":31,"type":32},[],"2024-12-27 02:06:56",174391303,[26,27,28,29],"twisted-pair wire","fiber optics","coaxial cable","satellite","In the following options, which one is not a guided media? ( )","v1",0,{"answer":34,"createTime":5,"id":35,"options":36,"question":41,"source":31,"type":32},[],174391305,[37,38,39,40],"hub","switch","repeater","router","Which of the following devices is not cut-through device? ( )",{"answer":43,"createTime":5,"id":44,"options":45,"question":50,"source":31,"type":32},[],174391307,[46,47,48,49],"Both slotted ALOHA and CSMA\u002FCD are random access protocols","A transmission node transmits at the full rate of the channel","With random access protocol, there may be empty slots","When a collision happens, each node involved in the collision retransmits at once","Which of the following four descriptions about random access protocol is not correct? ( )",{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":31,"type":32},[],174391309,[55,56,57,58],"Closing a TCP connection","TCP congestion control","TCP connection setup","TCP flow control","The FIN segment is used for____",{"answer":61,"createTime":5,"id":62,"options":63,"question":68,"source":31,"type":32},[],174391311,[64,65,66,67],"DHCP uses TCP as its underlying transport protocol","The DHCP server will offer the same IP address to a host when the host requests an IP address","DHCP is C\u002FS architecture","The IP address offered by a DHCP server is valid forever","Which of the following four descriptions about DHCP is correct? ( )",{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":31,"type":32},[],174391313,[73,74,75,76],"RIP","ARP","OSPF","IP","Because there are both network-layer addresses (for example, Internet IP addresses) and link-layer addresses (that is, LAN addresses), there is a need to translate between them. For the Internet, this is the job of ( )",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":31,"type":32},[],174391315,[82,83,84,85],"real-time audio","file transfer","Web documents","E-mail","In the following four applications, which one is both bandwith-sensitive and require tight timing constraints",{"answer":88,"createTime":5,"id":89,"options":90,"question":95,"source":31,"type":32},[],174391317,[91,92,93,94],"Reliable data transfers and flow controls","In-order data transfers","Delay guarantees and bandwidth guarantees","Congestion controls","Which of the following services is not provided by TCP",{"answer":97,"createTime":5,"id":6,"options":98,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":100,"createTime":5,"id":101,"options":102,"question":104,"source":31,"type":32},[],174391321,[103,37,40,38],"gateway","A ( )is a physical-layer device that acts on individual bits rather than on frames"]