单项选择题 Refer to Topic TestKing.com in iPAD document.Which switch is the root bridge for VLAN 1?()
多项选择题 Refer to Topic TestKing.com in iPAD document.Which ports on TestKing3 are operating as trunks?()
单项选择题 Refer to Topic TestKing.com in iPAD document.To which port of TestKing3 is router VLAN-R1 connected?()