题目内容
（请给出正确答案）
[单选题]
抽样平均误差是（）。
A.总体的标准差
B.样本的标准差
C.抽样指标的标准差
D.抽样误差的平均差
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更多“抽样平均误差是（）。”相关的问题
第6题
Refertotheexhibit.Inthediagram，theswitchesarerunningIEEE802.1wRSPT.Onwhichportsshouldrootguardbeenabledinordertofacilitatedeterministicrootbridgeelectionundernormalandfailurescenarios？（）
A.GE-3/1，GE-3/2
B.FE-2/1，FE-3/2
C.GE-1/1，GE-1/2
D.GE-4/1，GE-4/2
E.GE-2/1，GE-2/2
F.GE-3/1，GE-3/2，GE-4/1，GE-4/2，FE-2/1，FE-3/2
第7题
Refertotheexhibit.Inthediagram,theswitchesarerunningIEEE802.1wRSPT.Onwhichportsshouldrootguardbeenabledinordertofacilitatedeterministicrootbridgeelectionundernormalandfailurescenarios？（）
A.GE-3/1，GE-3/2
B.FE-2/1，FE-3/2
C.GE-1/1，GE-1/2
D.GE-4/1，GE-4/2
E.GE-2/1，GE-2/2
F.GE-3/1，GE-3/2，GE-4/1，GE-4/2，FE-2/1，FE-3/2
第8题
R1(AS1)------R2(AS2)-----R3(AS2)----R4(AS2),R1在AS1,R2,R3,R4在AS2,R1和R2建EBGP,R2和R3IBGP,R3和R4IBGP,产生BGP路由从R1传给R2,问这条路有会不会在R4上出现,如果不会,怎么解决.
第9题
WhichstatementistrueaboutTCNpropagation?()
A.TheoriginatoroftheTCNimmediatelyfloodsthisinformationthroughthenetwork.
B.TheTCNpropagationisatwostepprocess.
C.ATCNisgeneratedandsenttotherootbridge.
D.Therootbridgemustfloodthisinformationthroughoutthenetwork.
第10题
Refertotheexhibit.CatalystRistherootbridgeforbothVLAN1andVLAN2.Whatistheeasiestwaytoload-s
haretrafficacrossbothtrunksandmaintainredundancyincasealinkfails，withoutusinganytypeofEtherChannellink-bundling？（）
点击查看答案
A.Increasetherootbridgepriority（increasingthenumericalprioritynumber）forVLAN2onCatalystDsothatportD2becomestherootportonCatalystDforVLAN2.
B.DecreasetheportpriorityonR2forVLAN2onCatalystRsothatportD1willbeblockedforVLAN2andportD2willremainblockedforVLAN1.
C.DecreasethepathcostonR2onCatalystRforVLAN2sothatportD1willbeblockedforVLAN2andportD2willremainblockedforVLAN1.
D.Increasetherootbridgepriority（decreasingthenumericalprioritynumber）forVLAN2onCatalystRsothatR2becomestherootportonCatalystDforVLAN2.
第11题
Refertotheexhibit.Voicetrafficismarked"precedence5."Howmuchbandwidthisallocatedforvoicetrafficduringperiodsofcongestion?()
A.aminimumof48kb/s
B.amaximumof48kb/s
C.aminimumof48%oftheavailablebandwidth
D.amaximumof48%oftheavailablebandwidth
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