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ID:16199839
大小:555.50 KB
页数:7页
时间:2018-08-08
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1、1窗体顶端Convertthebinarynumber10111010intoitshexadecimalequivalent.Selectthecorrectanswerfromthelistbelow.8590BAA1B31C窗体底端2窗体顶端Whichofthefollowingdescribeinterframespacing?(Choosetwo.)theminimuminterval,measuredinbit-times,thatanystationmustwaitbeforesendinganotherfra
2、methemaximuminterval,measuredinbit-times,thatanystationmustwaitbeforesendinganotherframethe96-bitpayloadpaddinginsertedintoaframetoachievealegalframesizethe96-bitframepaddingtransmittedbetweenframestoachievepropersynchronizationthetimeallowedforslowstationstoproces
3、saframeandprepareforthenextframethemaximumintervalwithinwhichastationmustsendanotherframetoavoidbeingconsideredunreachable窗体底端3窗体顶端WhenacollisionoccursinanetworkusingCSMA/CD,howdohostswithdatatotransmitrespondafterthebackoffperiodhasexpired?Thehostsreturntoalisten-
4、before-transmitmode.Thehostscreatingthecollisionhaveprioritytosenddata.Thehostscreatingthecollisionretransmitthelast16frames.Thehostsextendtheirdelayperiodtoallowforrapidtransmission.窗体底端4窗体顶端AfteranEthernetcollision,whenthebackoffalgorithmisinvoked,whichdevicehasp
5、rioritytotransmitdata?thedeviceinvolvedinthecollisionwiththelowestMACaddressthedeviceinvolvedinthecollisionwiththelowestIPaddressanydeviceinthecollisiondomainwhosebackofftimerexpiresfirstthosethatbegantransmittingatthesametime窗体底端5窗体顶端Whichofthefollowingisadrawback
6、oftheCSMA/CDaccessmethod?Collisionscandecreasenetworkperformance.Itismorecomplexthannon-deterministicprotocols.Deterministicmediaaccessprotocolsslownetworkperformance.CSMA/CDLANtechnologiesareonlyavailableatslowerspeedsthanotherLANtechnologies.窗体底端6窗体顶端Refertotheex
7、hibit.Theswitchandworkstationareadministrativelyconfiguredforfull-duplexoperation.Whichstatementaccuratelyreflectstheoperationofthislink?Nocollisionswilloccuronthislink.Onlyoneofthedevicescantransmitatatime.Theswitchwillhavepriorityfortransmittingdata.Thedeviceswil
8、ldefaultbacktohalfduplexifexcessivecollisionsoccur.窗体底端7窗体顶端WhydohostsonanEthernetsegmentthatexperienceacollisionusearandomdelaybeforeattemptingt
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