A.transparent
B.auto
C.on
D.desirable
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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.
Refer to the exhibit. What switch proves the spanning-tree designated port role for the network segment that services the printers?（）
A.Switch1
B.Switch2
C.Switch3
D.Switch4
Refer to the exhibit.The network administrator normally establishes a telnet session with the switch from host A.However,host A is unavailable.The administrator′s attempt to the switch from host B fails,but pings to the other two hosts are successful.what is the issue?（）
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.
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.
Based on the network shown in the graphic which option contains the potential networking problem and protocol or setting that can to prevent the problem?（）
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
最新試題
What parameter can be different on ports within an EtherChannel?（）
A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?（）
What command visualizes the general NetFlow data on the command line?（）
What is the default Syslog facility level?（）
What are the Popular destinations for syslog messages to be saved? （）
Which is true about OSPF router-id?（）
What are three factors a network administrator must consider before implementing Netflow in the network?（）
What are the three things that the Netflow uses to consider the traffic to be in a same flow ?（）
Which three features are added in SNMPv3 over SNMPv2? （）
What are three values that must be the same within a sequence of packets for Netflow to consider them a network flow?（）