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多选题
Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem?（）
A
Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.
B
Ensure that cables A and B are straight-through cables.
C
Ensure cable A is plugged into a trunk port.
D
Ensure the switch has power.
E
Reboot all of the devices.
F
Reseat all cables.
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更多 “多选题Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem?（）AEnsure that the Ethernet encapsulations match on the interconnected router and switch ports.BEnsure that cables A and B are straight-through cables.CEnsure cable A is plugged into a trunk port.DEnsure the switch has power.EReboot all of the devices.FReseat all cables.” 相关考题
考题
Refer to the exhibit. You have a non-Cisco switch that is not communicating properly while connected to the distribution-layer Cisco switching fabric.Which two best-practice actions can you take to overcome this problem? （）(Choose two.)A. Turn off MST (802.1s) on all switches.B. Turn on MST (802.1s) on all switches.C. Turn on RSTP (802.1w) on all switches.D. Turn off RSTP (802.1w) on all switches.
考题
Refer to the exhibit. What switch proves the spanning－tree designated port role for the network segment that services the printers?()
A.Switch1B.Switch2C.Switch3D.Switch4
考题
Refer to the exhibit.The network administrator normally establishes a telnet session with the switch from host A.However,host A is unavailable.The administrators 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.
考题
Refer to the topology shown in the exhibit. Which ports will be STP designated ports if all the links are operating at the same bandwidth? ()
A.Switch A - Fa0/0B.Switch A - Fa0/1C.Switch B - Fa0/0D.Switch B - Fa0/1E.Switch C - Fa0/0F.Switch C - Fa0/1
考题
Refer to the exhibit. Why has this switch not been elected the root bridge for VLAN1?()
A.It has more than one interface that is connected to the root network segment.B.It is running RSTP while the elected root bridge is running 802.1d spanning tree.C.It has a higher MAC address than the elected root bridge.D.It has a higher bridge ID than the elected root bridge.
考题
Refer to the exhibit. Given the output shown from this Cisco Catalyst 2950, what is the most likely reason that interface FastEthernet 0／10 is not the root port for VLAN 2?()
A.This switch has more than one interface connected to the root network segment in VLAN 2.B.This switch is running RSTP while the elected designated switch is running 802.1d Spanning Tree.C.This switch interface has a higher path cost to the root bridge than another in the topology.D.This switch has a lower bridge ID for VLAN 2 than the elected designated switch.
考题
Refer to the exhibit. Based on the information given. Which switch will be elected root bridge and why?()
A.Switch A ,because it has the lowest MAC addressB.Switch C,because it has the lowest priorityC.Switch B,because it has the highest MAC addressD.Switch C,because it is the most centrally located switchE.Switch A,because it is the most centrally located switchF.Switch D,because it has the highest priority
考题
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.
考题
To which switch or switches should you provide redundant links in order to achieve high availability with reliable fast convergence in the enterprise campus？（）A、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 2 linkB、 to a core switch running Cisco NSF and SSO from redundant distribution switches connected with a Layer 3 linkC、 to two core switches from redundant distribution switches connected with Layer 2 linkD、 to two core switches from redundant distribution switches connected with Layer 3 linkE、 to two core switches running Cisco NSF and SSO from two redundant distribution switches running Cisco NSF and SSO
考题
A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?（）A、The switch port link lights will be off on both switches indicating the ports are not connected.B、The switch port link light will be off on one switch indicating that STP has disabled the port.C、The switch port link lights will flash amber indicating an error.D、The switch port link lights will be green indicating normal operation.
考题
Refer to the output shown on switch SW1 below： Warning： Spantree port fast start should only be enabled on ports connected to a single host.Connecting hubs， concentrators， switches， bridges， etc. to a fast start port can cause temporaryspanning tree loops. Use with caution. Spantree ports 4/1-24 fast start enabled. What command could you enter to reproduce this output？
考题
Refer to the exhibit. The two connected ports on the switch are not turning orange or green. What would be the most effective steps to troubleshoot this physical layer problem?（）A、Ensure that the Ethernet encapsulations match on the interconnected router and switch ports.B、Ensure that cables A and B are straight-through cables.C、Ensure cable A is plugged into a trunk port.D、Ensure the switch has power.E、Reboot all of the devices.F、Reseat all cables.
考题
Refer to the exhibit. The output that is shown is generated at a switch. Which three of these statements are true? （）A、All ports will be in a state of discarding, learning, or forwarding.B、Thirty VLANs have been configured on this switch.C、The bridge priority is lower than the default value for spanning tree.D、All interfaces that are shown are on shared media.E、All designated ports are in a forwarding state.F、The switch must be the root bridge for all VLANs on this switch.
考题
A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）A、Two switch ports will be needed on a switch,two Ethernet cables will be needed for theserver each connecting to two different Ethernet cards,and one IP address will be neededB、Two switch ports will be needed on two different switches two Ethernet cables will beneeded for the server each connecting to two different Ethernet cards,and one IP address will be neededC、Two switch ports will be needed on two different switches,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,two different IP addresses will be neededD、One switch port will be needed on one switch,a splitter will be needed to split the connection,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,and two different IP addresses will be needed
考题
What are the switch and bridge port characteristics of a layer two spanning-tree network that is fully converged?（）A、All switch and bridge ports are in the forwarding state.B、All switch and bridge ports are in the stand-by state.C、All switch and bridge ports are assigned as either root or designated ports.D、All switch and bridge ports are in either the forwarding or blocking state.E、All switch and bridge are either blocking or looping.
考题
Which command will show the MAC addresses of stations connected to switch ports?（）A、show mac-addressB、show arpC、show tableD、show switchport
考题
Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?（）A、the switch with the lowest MAC addressB、the switch with the higest MAC addressC、the switch witch the higest IP addressD、the switch with the lowest IP address
考题
Two Company switches are connected via a trunk using VTP. Which VTP information does a Catalyst switch advertise on its trunk ports when using VTP？（）A、STP root statusB、VTP modeC、Negotiation statusD、Management domainE、Configuration revision number
考题
A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）A、Two switch ports will be needed on a switch， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.B、Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.C、Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， two different IP addresses will be needed.D、One switch port will be needed on one switch， a splitter will be needed to split the connection， two ethernet cables will be needed for the server each connecting to two different Ethernet cards， and two different IP addresses will be needed.
考题
单选题Refer to the exhibit.All switch ports are assigned to the correct VLANs, but none of the hosts connected to SwitchA can communicate with hosts in the same VLAN connected to SwitchB. Based on the output shown, what is the most likely problem?（）A
The access link needs to be configured in multiple VLANs.B
The link between the switches is configured in the wrong VLAN.C
The link between the switches needs to be configured as a trunk.D
VTP is not configured to carry VLAN information between the switches.E
Switch IP addresses must be configured in order for traffic to be forwarded between the switches
考题
单选题A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）A
Two switch ports will be needed on a switch,two Ethernet cables will be needed for theserver each connecting to two different Ethernet cards,and one IP address will be neededB
Two switch ports will be needed on two different switches two Ethernet cables will beneeded for the server each connecting to two different Ethernet cards,and one IP address will be neededC
Two switch ports will be needed on two different switches,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,two different IP addresses will be neededD
One switch port will be needed on one switch,a splitter will be needed to split the connection,two Ethernet cables will be needed for the server each connecting to two different Ethernet cards,and two different IP addresses will be needed
考题
单选题Refer to the exhibit. What is the effect on the trust boundary of configuring the command mls qos trust cos on the switch port that is connected to the IP phone？（）A
Effectively the trust boundary has been moved to the IP phone.B
The host is now establishing the CoS value and has effectively become the trust boundary. C
The switch is rewriting packets it receives from the IP phone and determining the CoS value. D
The switch will no longer tag incoming voice packets and will trust the distribution layer switch to set theCoSE
RTP will be used to negotiate a CoS value based upon bandwidth utilization on the link.
考题
问答题Refer to the output shown on switch SW1 below： Warning： Spantree port fast start should only be enabled on ports connected to a single host.Connecting hubs， concentrators， switches， bridges， etc. to a fast start port can cause temporaryspanning tree loops. Use with caution. Spantree ports 4/1-24 fast start enabled. What command could you enter to reproduce this output？
考题
多选题The DAI feature has been implemented in the Company switched LAN. Which three statements are true about the dynamic ARP inspection （DAI） feature？ （）ADAI can be performed on ingress ports only.BDAI can be performed on both ingress and egress ports.CDAI is supported on access ports， trunk ports， EtherChannel ports， and private VLAN ports.DDAI should be enabled on the root switch for particular VLANs only in order to secure the ARP caches of hosts in the domain.EDAI should be configured on all access switch ports as untrusted and on all switch ports connected to other switches as trusted.FDAI is supported on access and trunk ports only.
考题
单选题Refer to the exhibit. What switch proves the spanning-tree designated port role for the network segment that services the printers?（）A
Switch1B
Switch2C
Switch3D
Switch4
考题
多选题Two Company switches are connected via a trunk using VTP. Which VTP information does a Catalyst switch advertise on its trunk ports when using VTP？（）ASTP root statusBVTP modeCNegotiation statusDManagement domainEConfiguration revision number
考题
单选题A project requires a new server to be set up with the ability to automatically fail over its Ethernet connection to a second connection if a network failure occurs. Which of the following provides greatest resiliency？（）A
Two switch ports will be needed on a switch， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.B
Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， and one IP address will be needed.C
Two switch ports will be needed on two different switches， two Ethernet cables will be needed for the server each connecting to two different Ethernet cards， two different IP addresses will be needed.D
One switch port will be needed on one switch， a splitter will be needed to split the connection， two ethernet cables will be needed for the server each connecting to two different Ethernet cards， and two different IP addresses will be needed.
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