单项选择题
What is one benefit of PVST+?（）
A.PVST+reduces the CPU cycles for all the switches in the network
B.PVST+automatically selects the root bridge location,to provide optimiz…
C.PVST+allow the root switch location to be optimized per vlan.
D.PVST+supports Layer 3 load balancing without loops.
相关考题
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单项选择题
When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the interface clock rate determined（）。
A.It is supplied by the CSU/DSU.
B.It is supplied by the far end router.
C.It is determined by the clock rate command.
D.It is supplied by the Layer 1 bit stream timing. -
多项选择题
Refer to the diagram. Which three statements describe the router port configuration and the switch port configuration as shown in the topology? （）
A.The Router1 WAN port is configured as a trunking port.
B.The Router1 port connected to Switch1 is configured using subinterfaces.
C.The Router1 port connected to Switch1 is configured as 10 Mbps.
D.The Switch1 port connected to Router1 is configured as a trunking port.
E.The Switch1 port connected to Host B is configured as an access port.
F.The Switch1 port connected to Hub1 is configured as full duplex. -
多项选择题
Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network?（）
A.The subnet mask in use is 255.255.255.192.
B.The subnet mask in use is 255.255.255.128.
C.The IP address 172.16.1.25 can be assigned to hosts in VLAN1
D.The IP address 172.16.1.205 can be assigned to hosts in VLAN1
E.The LAN interface of the router is configured with one IP address.
F.The LAN interface of the router is configured with multiple IP addresses.
