单项选择题
CiscoSeriesroutersissuitableforsmallbusinessesandforconnectinqsmallofficestoenterprise networks.()
单项选择题 WhichinformationelementwilltheclientuseiftheclientintendstouseadifferentPHYratethanthe nominalPHYrateadvertised?()
单项选择题 PD1单板的红灯出现 1秒2闪表示:( )
单项选择题 WhatisthedifferencebetweenCiscoCatalyst2960LANBaseSeriesandCiscoCatalyst2960LANLiteSeries?()