拆除有支撑架的大模板时,应先拆除模板与混凝土结构之间的穿墙螺栓及其他连接件,松动地脚螺栓,使模板后倾与墙体脱离开。()
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Whichtwocommandsarerequiredtoenablemulticastonarouter,knowingthatthereceiversonlysupport IGMPv2?()
A. ippimrp-address
B. ippimssm
C. ippimsparse-mode
D. ippimpassive
配电室应靠近用电负荷中心,并应设在灰尘少、潮气少、振动小、无腐蚀介质、无易燃易爆物及道路畅通的地方。()
什么命令可视化在命令行上一般NetFlow数据?()
A. showipflowexport
B. showipflowtop-talkers
C. showipcacheflow
D. showmlssampling
E. showmlsnetflowip
WhichthreeportstatesareusedbyRSTP802.1w?()
A. Listening
B. Learning
C. Forwarding
D. Blocking
E. Discarding
F. Disabled