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A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）
- A、For the two vlans to communicate，a network statement for the trunk interface needs to be added to the OSPF configuration.
- B、For the two vlans to communicate， a network statement for each subinterface needs to be added to the OSPF configuration.
- C、Direct inter-vlan communication does not require OSPF
- D、OSPF cannot be used if router-on-a-stick is configured on the router
参考答案
更多 “A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）A、For the two vlans to communicate，a network statement for the trunk interface needs to be added to the OSPF configuration.B、For the two vlans to communicate， a network statement for each subinterface needs to be added to the OSPF configuration.C、Direct inter-vlan communication does not require OSPFD、OSPF cannot be used if router-on-a-stick is configured on the router” 相关考题
考题
A company is experiencing network delays. The network administrator discovers that a worker in a location far from the MDF has connected an old 10BASE-T switch with redundant links to the existing network.How could this action be responsible for the impaired network performance?（）A. Connecting a host to the old switch has created a broadcast storm.B. The 10BASE-T switch forced the entire network to be reduced to 10 Mbps operation.C. The old switch does not support VLANs, which has disabled the VLAN configuration of the entire the network.D. The old switch does not support full-duplex operation, effectively forcing half-duplex operation throughout the network.E. Spanning Tree Protocol has elected the old switch as the root bridge, creating inefficient data paths through the switched network.
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
A company has a small network,consisting of a single switch and a single router.The switch has been configured with two vlans,and route-on-a-stick is being configured on the router for inter-vlan routing.A trunk is configured to connect the switch to the router.What is the minimum number of router subinterfaces that are required for all the vlans to communicate?（）A. oneB. threeC. twoD. zero
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
A lightweight access point has been connected to a Catalyst 3550 24-PWR switch， and on power-up the access point fails. What is the problem with the switch？（）A、The power supply has inadequate wattage.B、Power is incorrectly configured on the port.C、It does not support 802.3af Poe.D、Power is not enabled on the port.
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
Which two of the following statements describe a routed switch port on a multilayer switch？（）A、Layer 2 switching and Layer 3 routing are mutually supported.B、The port will not be associated with any VLAN.C、The routed switch port supports VLAN subinterfaces.D、The routed switch port is used when a switch has only one port per VLAN or subnet.E、The routed switch port ensures that STP remains in the forwarding state.
考题
Which statement describes a spanning-tree network that has converged?（）A、All switch and bridge ports are in the forwarding state.B、All switch and bridge ports are assigned as either root or designated ports.C、All switch and bridge ports are in either the forwarding or blocking state.D、All switch and bridge ports are either blocking or looping.
考题
A VTP domain has six active VLANs. Without notice， all VLANs except VLAN1 fail. Just prior tothe failure， Switch2 was added to the network. Which three issues on Switch2 could be the cause？（）A、Switch2 is configured for only VLAN1B、Switch2 is a VTP server in a different domainC、Switch2 is a VTP server in the Company domainD、Switch2 is not a VTP domain.E、Switch2 has a lower VTP configuration revision number than the current VTP revisionF、Switch2 has a higher VTP configuration revision number than the current VTP revision
考题
A cisco aironet 1020 controller-based access point has been connected to a catalyst 3550-24 pwr switch. however， when it is powered up， the access point fails. What has caused this problem？（）A、access point does not support 802.11hB、incorrect switch power supplyC、switch port is not enabledD、switch does not support 802.3afE、access point has not been initialized with the primary controller
考题
The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch.What must be done to ensure that this new switch becomes the root bridge on the network?（）A、One router is running RIPv1.B、RIP neighbor is 224.0.0.9.C、The network contains a loop.D、Network 10.10.1.0 is reachable.
考题
The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network?（）A、Lower the bridge priority number.B、Change the MAC address of the switch.C、Increase the VTP revision number for the domain.D、Lower the root path cost on the switch ports.E、Assign the switch an IP address with the lowest value.
考题
A Cisco Aironet 1020 controller-based access point has been connected to a Catalyst 3550-24PWR Switch. However， when it is powered up， the access point fails. What has caused this problem？（）A、access point does not support 802.11hB、incorrect switch power supplyC、switch port is not enabledD、switch does not support 802.3afE、access point has not been initialized with the primary controller
考题
A Cisco Aironet 1020 controller-based access point has been connected to a Catalyst 3550-24 PWRSwitch. However， when it is powered up， the access point fails. What has caused this problem？（）A、access point does not support 802.11hB、incorrect switch power supplyC、switch port is not enabledD、switch does not support 802.3afE、access point has not been initialized with the primary controller
考题
A company has a small network,consisting of a single switch and a single router.The switch has been configured with two vlans,and route-on-a-stick is being configured on the router for inter-vlan routing.A trunk is configured to connect the switch to the router.What is the minimum number of router subinterfaces that are required for all the vlans to communicate?（）A、oneB、threeC、twoD、zero
考题
A user on a network cannot access any network resources. The link light on the computer showsthat a connection is present. Which of the following is the MOST likely cause of the problem?（）A、The wrong cable type has been used.B、. IDS has shut down the computer's switch port.C、The port on the switch is configured incorrectlyD、Spanning tree protocol was implemented.
考题
单选题A cisco aironet 1020 controller-based access point has been connected to a catalyst 3550-24 pwr switch. however， when it is powered up， the access point fails. What has caused this problem？（）A
access point does not support 802.11hB
incorrect switch power supplyC
switch port is not enabledD
switch does not support 802.3afE
access point has not been initialized with the primary controller
考题
单选题The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network?（）A
Lower the bridge priority number.B
Change the MAC address of the switch.C
Increase the VTP revision number for the domain.D
Lower the root path cost on the switch ports.E
Assign the switch an IP address with the lowest value.
考题
单选题The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch.What must be done to ensure that this new switch becomes the root bridge on the network?（）A
One router is running RIPv1.B
RIP neighbor is 224.0.0.9.C
The network contains a loop.D
Network 10.10.1.0 is reachable.
考题
单选题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
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
单选题A company has a small network，consisting of a single switch and a single router.The switch has beenconfigured with two vlans，and route-on-a-stick is being configured on the router for inter-vlan routing.Atrunk is configured to connect the switch to the router.What is the minimum number of router subinterfacesthat are required for all the vlans to communicate？（）A
oneB
threeC
twoD
zero
考题
单选题Which statement describes a spanning-tree network that has converged?（）A
All switch and bridge ports are in the forwarding state.B
All switch and bridge ports are assigned as either root or designated ports.C
All switch and bridge ports are in either the forwarding or blocking state.D
All switch and bridge ports are either blocking or looping.
考题
单选题The network administrator has discovered that the power supply has failed on a switch in the company LAN and that the switch has stopped functioning. It has been replaced with a Cisco Catalyst 2950 series switch. What must be done to ensure that this new switch becomes the root bridge on the network？（）A
Lower the bridge priority number.B
Change the MAC address of the switch.C
Increase the VTP revision number for the domain.D
Lower the root path cost on the switch ports.E
Assign the switch an IP address with the lowest value.
考题
单选题A network technician is installing a new managed 10/100 Mbps switch on the network. The network has an older printer with a 10Mbps network adapter that will be moved to the new switch. Which of the following settings on the switch will need to be configured to support the printer?（）A
MAC filteringB
IP addressC
PoED
Port speed
考题
单选题A company is experiencing network delays. The network administrator discovers that a worker in a location far from the MDF has connected an old 10BASE-T switch with redundant links to the existing network. How could this action be responsible for the impaired network performance?（）A
Connecting a host to the old switch has created a broadcast storm.B
The 10BASE-T switch forced the entire network to be reduced to 10 Mbps operation.C
The old switch does not support VLANs, which has disabled the VLAN configuration of the entire the network.D
The old switch does not support full-duplex operation, effectively forcing half-duplex operation throughout the network.E
Spanning Tree Protocol has elected the old switch as the root bridge, creating inefficient data paths through the switched network.
考题
多选题Which two of the following statements describe a routed switch port on a multilayer switch？（）ALayer 2 switching and Layer 3 routing are mutually supported.BThe port will not be associated with any VLAN.CThe routed switch port supports VLAN subinterfaces.DThe routed switch port is used when a switch has only one port per VLAN or subnet.EThe routed switch port ensures that STP remains in the forwarding state.
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