[单选题]配置路由器特权用户“加密密码”的命令是：()

正确答案 ：C

enable secret

[单选题]介质100BaseT的最大传输距离是：()

正确答案 ：B

100m

[多选题]The Ezonexam network administrator needs to determine what LAN devices to install on the Ezonexam network. What are two advantages of using Layer 2 Ethernet switches over hubs? (Choose two)

正确答案 ：AD

Allowing simultaneous frame. transmissions

Filtering frames based on MAC addresses

解析：解析：Explanation:A:Ahalfduplexconnectioniswhereonlyonedevicecansendorreceiveatatime.Afullduplexconnectioniswherebothdevicescansendandreceiveatthesametime.Thus,ifyouhavea100Mbhalf-duplexconnection,onlysendingat100MbORreceivingat100Mbcanhappenatthesametime.Ifyouhavea100Mbfullduplexconnection,youcaneffectivelyget200Mboutofthelinkbecauseyoucouldbesending100Mbandreceiving100Mbatthesametime.D:SwitchesarecapableoffilteringframesbasedonanyLayer2fields.Forexample,aswitchcanbeprogrammedtoreject(notforward)allframessourcedfromaparticularnetwork.Becauselinklayerinformationoftenincludesareferencetoanupper-layerprotocol,switchesusuallycanfilteronthisparameter.Furthermore,filterscanbehelpfulindealingwithunnecessarybroadcastandmulticastpackets.

[单选题]把访问权限表应用到路由器端口的命令是：()

正确答案 ：B

ip access-group 101 out

[单选题]哪一个命令可以设置路由器特权用户的“明文密码”（）

正确答案 ：A

enable password

查看原题