多项选择题 Which two statements about the use of VLANs to segment a network are true? （）

单项选择题 A switch is configured with all ports assigned to vlan 2 with full duplex FastEthernet to segment existing departmental traffiC.What is the effect of adding switch ports to a new VLAN on the switch?（）

单项选择题 Which switch would STP choose to become the root bridge in the selection process?（）