A.802.1Q native VLAN frames are untagged by default.
B.802.1Q trunking ports can also be secure ports.
C.802.1Q trunks can use 10 Mb/s Ethernet interfaces.
D.802.1Q trunks require full-duplex, point-to-point connectivity.
E.802.1Q trunks should have native VLANs that are the same at both ends.
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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
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.
最新試題
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? （）
What command visualizes the general NetFlow data on the command line?（）
Which one of these is a valid HSRP Virtual Mac Address?（）
Which three features are added in SNMPv3 over SNMPv2 ? （）
Which three statements about the features of SNMPv2 and SNMPv3 are true?（）
Refer to the exhibit.If the devices produced the given output,what is the cause of the EtherChannel problem?（）
What are the three things that the Netflow uses to consider the traffic to be in a same flow ?（）
Refer to the exhibit.If the router Cisco returns the given output and has not had its router ID set manually, what value will OSPF use as its router ID?（）
What is the default Syslog facility level?（）
What command instructs the device to timestamp Syslog debug messages in milliseconds?（）