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多项选择题
A.transparent
B.auto
C.on
D.desirable
单项选择题
A.PVST+reduces the CPU cycles for all the switches in the network
B.PVST+automatically selects the root bridge location,to provide optimized bandwidth usage.
C.PVST+allow the root switch location to be optimized per vlan.
D.PVST+supports Layer 3 load balancing without loops.
单项选择题
A.Switch1
B.Switch2
C.Switch3
D.Switch4
单项选择题
A.Host B and the switch need to be in the same subnet.
B.The switch needs and appropriate default gateway assigned.
C.The switch interface connected to the router is down.
D.Host B need to be assigned an IP address in vlan 1.
E.The switch interfaces need the appropriate IP addresses assigned.
多项选择题
A.it is a layer 2 messaging protocol which maintains vlan configurations across network.
B.it includes an 8-bit field which specifies the priority of a frame.
C.it is used exclusively for tagging vlan frames and dose not address network reconvergence following switched network topology changes.
D.it modifies the 802.3 frame header,and thus requires that the FCS be recomputed.
E.it is a trunking protocol capable of carring untagged frames.
单项选择题
A.Routing loops, hold down timers
B.Switching loops, split horizon
C.Routing loops, split horizon
D.Switching loops, VTP
E.Routing loops, STP
F.Switching loops, STP
单项选择题
A.ping address
B.tracert address
C.traceroute address
D.arp address
多项选择题
A.added security
B.dedicated bandwidth
C.provides segmentation
D.allows switches to route traffic between subinterfaces
E.contains collisions
单项选择题
A.The Fa0/11 role confirms that SwitchA is the root bridge for VLAN 20.
B.VLAN 20 is running the Per VLAN Spanning Tree Protocol.
C.The MAC address of the root bridge is 0017.596d.1580.
D.SwitchA is not the root bridge, because not all of the interface roles are designated.
单项选择题
A.source MAC address
B.source IP address
C.source switch port
D.destination IP address
E.destination port address
F.destination MAC address