单项选择题
A.The command enables both loop guard and root guard.
B.The command changes the status of loop guard from the default of disabled to enabled.
C.The command activates loop guard on point-to-multipoint links in the switched network.
D.The command will disable EtherChannel guard.
单项选择题 Whatistheresultofenteringthecommandport-channelload-balancesrc-dst-iponanEtherChannellink？（）
多项选择题 WhichthreeofthefollowingareorganizationalobjectivesthatshouldbeaddressedwhendevelopinganewVLANimplementationplan？（）
单项选择题 You work as a network engineer for. You study the exhibit carefully. Based on the output of the show command， what can you determine regarding EIGRP routing being performed by the switch？ （） Exhibit：