问答题

简答题问关于QOS的3种机制。

【参考答案】

1.Best-Effort Service
2.Integrated Service......

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多项选择题

An802.1Qtrunkisnotcomingupbetweentwoswitches.Theportsonbothswitchesareconfiguredas switchportmodedesirable. Assumingthatthereisnophysicalissue，choosetwopossiblecauses.（）

A.Incorrect VTP domain
B.Incorrect VTP password
C.Incorrect VTP mode
D.Incorrect VTP configuration revision

单项选择题

YoureplacedyourLayer3switch，whichisthedefaultgatewayoftheendusers.Manyuserscannotaccessanythingnow，includingemail，Internet，andotherapplications，althoughotherusersdonothaveanyissues.Alloftheapplicationsarehostedinanoutsourceddatacenter.Inordertofixtheproblem，whichoneoftheseactionsshouldyoutake？（）

A.Clear the MAC address table in the switch.
B.Clear the ARP cache in the switch.
C.Clear the ARP cache in the end devices.
D.Clear the ARP cache in the application servers.

简答题 问关于QOS的3种机制。

简答题问关于QOS的3种机制。