收取客衣时,如客人在休息,可暂时不收取,注意观察客人进出情况,方便时再去收取。()
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WhichofthefollowingtechnologieswouldanInternetServiceProviderusetosupportoverlappingcustomerVLANID’sovertransparentLANservices?()
A. 802.1qtunneling
B. ATM
C. SDH
D. IPOverOpticalNetworking
E. ISL
添茶时应倒水过满溢出,在人员较多的情况下,可多人同时进行服务。()