Whataretwowayswithwhichasmallbusinesscankeepawirelessbusinessseparateandsecurefromawirelessguestaccessnetwork？（）
A. auto-channelselection
B. WMMQoS
C. 802.11Froaming
D. multipleBSSIDs
E. 802.1QVLANs
F. APdetection
查看答案
油罐进油前，应关闭收油罐和相关油罐的胀油管或旁通管线上的阀门，以免收油时造成串油事故。（)
管道的直径越大，长度越长，则其产生的热应力也越大。（)
WhatthreeelementsareincludedwithCiscoSmallBusinessProService？（）
A. Softwareupgradesandupdates
B. CiscoSMARTnet
C. nextbusinessdayadvancedhardwarereplacement
D. accesstotheCiscoSmallBusinessSupportCenter
E. accesstotheCiscoSmallBusinessUniversity
F. five-yearsubscriptionterms
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