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
What are two enhancements that OSPFv3 supports over OSPFv2? （）
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?（）
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 one of these is a valid HSRP Virtual Mac Address?（）
Which statement describes VRRP object tracking?（）
What parameter can be different on ports within an EtherChannel?（）
What is the default Syslog facility level?（）
What are two benefits of using a single OSPF area network design?（）
In GLBP, which router will respond to client ARP requests?（）
What are three benefits of GLBP?（）