How many broadcast domains are shown in the graphic assuming only the default vlan is configured on the switches?（）
A.one
B.six
C.twelve
D.two
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A.transparent
B.auto
C.on
D.desirable
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.
最新試題
A network administrator creates a layer 3 EtherChannel, bundling four interfaces into channel group 1. On what interface is the IP address configured?（）
What SNMP message alerts the manager to a condition on the network?（）
Which three statements about HSRP operation are true?（）
What are the benefit of using Netflow?（）
What command instructs the device to timestamp Syslog debug messages in milliseconds?（）
Refer to the exhibit.If the devices produced the given output,what is the cause of the EtherChannel problem?（）
A network administrator enters the following command on a router: logging trap 3. What are three message types that will be sent to the Syslog server? （）
Which statement describes the process ID that is used to run OSPF on a router ?（）
Syslog was configured with a level 3 trap. Which 3 types of logs would be generated？（）
What are three reasons to collect Netflow data on a company network?（）