多项选择题 What are two results of entering the Switch(config)# vtp mode client command on a Catalyst switch?（）

单项选择题 A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of the testing, what could be the problem（）。

单项选择题 Youareworkinginadatacenterenvironmentandareassignedtheaddressrange10.188.31.0/23.YouareaskedtodevelopanIPaddressingplantoallowthemaximumnumberofsubnetswithasmanyas30hostseach.WhichIPaddressrangemeetstheserequirements？（）