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。()
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ThecoreCompanyswitchesareconfiguredtouse802.1Qtrunks.WhichthreestatementsarecorrectwithregardtotheIEEE802.1Qstandard?()
A. TheIEEE802.1Qframeformataddsa4bytefieldtoaEthernetframe
B. Thepacketisencapsulatedwitha26byteheaderanda4byteFCS
C. Theprotocolusespoint-to-multipointconnectivity
D. Theprotocolusespoint-to-pointconnectivity
E. TheIEEE802.1Qframeusesmulticastdestinationof0x01-00-0c-00-00
F. TheIEEE802.1QframeretainstheoriginalMACdestinationaddress
接过对方名片后,可以将名片放于钱包中,但不可将名片放于裤袋中。()
“【全选】”级联菜单下,包含下面哪项命令?()
A. 辅助线
B. 对象
C. 节点
D. 文本