多项选择题
A.VLANs increase the size of collision domains. B.VLANs allow logical grouping of users by function. C.VLANs simplify switch administration. D.VLANs enhance network security.
A switch is configured with all ports assigned to vlan ...
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?（）
A.More collision domains will be created. B.IP address utilization will be more efficient. C.More bandwidth will be required than was needed previously. D.An additional broadcast domain will be created.
Which switch would STP choose to become the root bridge...
单项选择题Which switch would STP choose to become the root bridge in the selection process?（）
A.32768：11-22-33-44-55-66 B.32768：22-33-44-55-66-77 C.32769：11-22-33-44-55-65 D.32769：22-33-44-55-66-78
A default Frame Relay WAN is classified as what type of...
单项选择题A default Frame Relay WAN is classified as what type of physical network？（）
A.point-to-point B.broadcast multi-access C.nonbroadcast multi-access D.nonbroadcast multipoint.broadcast point-to-multipoint
