After connecting a PC to an available port on a switch, you find that the PC can not access any of the resources on the LAN. No other PC's connected to the switch appear to be having any issues. What is the most likely cause for this problem?A．The router lacks a routing table entry for the new hostB．The host switch port is assigned to the incorrect VLANC．The host MAC address is incorrectly configuredD．A STP instance for the new host has not been initializedE．The switch does not have the MAC address hard coded in the CAM table.
After connecting a PC to an available port on a switch, you find that the PC can not access any of the resources on the LAN. No other PC's connected to the switch appear to be having any issues. What is the most likely cause for this problem?
A．The router lacks a routing table entry for the new host
B．The host switch port is assigned to the incorrect VLAN
C．The host MAC address is incorrectly configured
D．A STP instance for the new host has not been initialized
E．The switch does not have the MAC address hard coded in the CAM table.
相关考题：
You are given a PC, a router, and a cable. Select the correct combination that will allow you to log into the router locally using a terminal emulation program such as HyperTerminal.() A. Connect the PC‘s COM port to the router‘s console port using a straight-through cable.B. Connect the PC‘s COM port to the router‘s console port using a rollover cable.C. Connect the PC‘s COM port to the router‘s ethernet port using a straight-through cable.D. Connect the PC‘s ethernet port to the router‘s ethernet port using a rollover cable.E. Connect the PC‘s ethernet port to the router‘s ethernet port using a straight- through cable.
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
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.
On corporate network, hosts on the same VLAN can communicate with each other, but they are unable to communicate with hosts on different VLANs. What is needed to allow communication between the VLANs?（）A.a router with subinterfaces configured on the physical interface that is connected to the switchB.a router with an IP address on the physical interface connected to the switchC.a switch with an access link that is configured between the switchesD.a switch with a trunk link that is configured between the switches
Hosts on the same VLAN can communicate with each other but are unable to communicate with hosts on different VLANs. What is needed to allow communication between VLANs()。 A.a switch with a trunk link that is configured between the switchesB.a router with an IP address on the physical interface that is connected to the switchC.a switch with an access link that is configured between the switchesD.a router with subinterfaces configured on the physical interface that is connected to the switch
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port（）。A、This is a 10 Mb/s switch portB、This is a 100 Mb/s switch portC、This is an Ethernet port operating at half duplexD、This is an Ethernet port operating at full duplexE、This is a port on a network interface card in a PC
For which type of connection should a straight-through cable be used?（）A、switch to switchB、switch to hubC、switch to routerD、hub to hubE、router to PC
You are given a PC, a router, and a cable. Select the correct combination that will allow you to log into the router locally using a terminal emulation program such as HyperTerminal.（）A、Connect the PC's COM port to the router's console port using a straight-through cable.B、Connect the PC's COM port to the router's console port using a rollover cable.C、Connect the PC's COM port to the router's ethernet port using a straight-through cable.D、Connect the PC's ethernet port to the router's ethernet port using a rollover cable.E、Connect the PC's ethernet port to the router's ethernet port using a straight- through cable.
Which three of these pre-requisite for resetting a Catalyst Express 500 switch when Cisco Network Assistant is unavailable？（）A、At Least one enabled switch port that is unconnected to any deviceB、A PC pre-configured with a specific IP Address and MaskC、A PC or laptop with Windows 2000 or Windows XP installed and a web browser that has Java Script enabledD、Physical Access to SwitchE、A Switch with no connected devices
Hosts on the same VLAN can communicate with each other but are unable to communicate with hosts on different VLANs. What is needed to allow communication between VLANs（）。A、a switch with a trunk link that is configured between the switchesB、a router with an IP address on the physical interface that is connected to the switchC、a switch with an access link that is configured between the switchesD、a router with subinterfaces configured on the physical interface that is connected to the switch
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?（）A、This is a 10 Mb/s switch port.B、This is a 100 Mb/s switch port.C、This is an Ethernet port operating at half duplex.D、This is an Ethernet port operating at full duplex.E、This is a port on a network interface card in a PC
Which two statements about configuration an unconnected Catalyst Express 500 switch from setup mode using a PC are true？（）A、You may use Cisco Network Assistant to set up the initial configurationB、You must use CLI for initial configurationC、You may use either CLI or CAN for configurationD、You may make a direct connection to the PC from any point on the switchE、You may only make a direct connection from the port with the flashing green LED to the PC
A users Junos Pulse client uses 802.1X to access a wired network and is failing to authenticate. You run a packet capture from the users PC and notice that immediately after the client machine sends an EAPoL-start packet, an EAP-failure packet is returned. You review the RADIUS troubleshooting logs on the MAG Series device and do not see any authentication attempts from the user. Other users on the same Ethernet switch are successfully authenticating. Which device is sending the EAP-failure packet to the workstation?（）A、The RADIUS serverB、The EAPoL serverC、The workstation's network adapterD、The Ethernet switch
While you are troubleshooting network performance issues， you notice that a switch is periodically flooding all unicast traffic. Further investigation reveals that periodically the switch is also having spikes in CPU utilization， causing the MAC address table to be flushed and relearned. What is the most likely cause of this issue？（）A、a routing protocol that is flooding updatesB、a flapping port that is generating BPDUs with the TCN bit setC、STP is not running on the switchD、a user that is downloading the output of the show-tech commandE、a corrupted switch CAM table
You replaced your Layer 3 switch， which is the default gateway of the end users. Many users cannot access anything now， including email， Internet， and other applications， although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem， which one of these actions should you take？（）A、Clear the MAC address table in the switch.B、Clear the ARP cache in the switch.C、Clear the ARP cache in the end devices.D、Clear the ARP cache in the application servers.
A standalone wireless AP solution is being installed into the campus infrastructure. The access points appear to boot correctly， however， wireless clients are not obtaining correct access. You verify that the local switch configuration connected to the access point appears as the following： interface ethernet 0/1 switchport access vlan 10 switchport mode access spanning-tree portfast mls qos trust dscp What is the most likely issue causing the problem？（）A、QoS trust should not be configured on a port attached to a standalone AP.B、QoS trust for switchport mode access should be defined as "cos".C、switchport mode should be defined as "trunk" with respective QoS.D、switchport access vlan should be defined as "1".
A Company switch was configured as shown below： switchport mode access switchport port-security switchport port-security maximum 2 switchport port-security mac-address 0002.0002.0002 switchport port-security violation shutdown Given the configuration output shown above， what happens when a host with the MAC address of 0003.0003.0003 is directly connected to the switch port？ （）A、 The host will be allowed to connect.B、 The port will shut down.C、 The host can only connect through a hub/switch where 0002.0002.0002 is already connected. D、 The host will be refused access.E、 None of the other alternatives apply
On corporate network, hosts on the same VLAN can communicate with each other, but they are unable to communicate with hosts on different VLANs. What is needed to allow communication between the VLANs?（）A、a router with subinterfaces configured on the physical interface that is connected to the switchB、a router with an IP address on the physical interface connected to the switchC、a switch with an access link that is configured between the switchesD、a switch with a trunk link that is configured between the switches
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.
单选题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?（）AThe wrong cable type has been used.B. IDS has shut down the computer's switch port.CThe port on the switch is configured incorrectlyDSpanning tree protocol was implemented.
单选题A users Junos Pulse client uses 802.1X to access a wired network and is failing to authenticate. You run a packet capture from the users PC and notice that immediately after the client machine sends an EAPoL-start packet, an EAP-failure packet is returned. You review the RADIUS troubleshooting logs on the MAG Series device and do not see any authentication attempts from the user. Other users on the same Ethernet switch are successfully authenticating. Which device is sending the EAP-failure packet to the workstation?（）AThe RADIUS serverBThe EAPoL serverCThe workstation's network adapterDThe Ethernet switch
单选题While you are troubleshooting network performance issues， you notice that a switch is periodically flooding all unicast traffic. Further investigation reveals that periodically the switch is also having spikes in CPU utilization， causing the MAC address table to be flushed and relearned. What is the most likely cause of this issue？（）Aa routing protocol that is flooding updatesBa flapping port that is generating BPDUs with the TCN bit setCSTP is not running on the switchDa user that is downloading the output of the show-tech commandEa corrupted switch CAM table
多选题Which three of these pre-requisite for resetting a Catalyst Express 500 switch when Cisco Network Assistant is unavailable？（）AAt Least one enabled switch port that is unconnected to any deviceBA PC pre-configured with a specific IP Address and MaskCA PC or laptop with Windows 2000 or Windows XP installed and a web browser that has Java Script enabledDPhysical Access to SwitchEA Switch with no connected devices
多选题Which two statements about configuration an unconnected Catalyst Express 500 switch from setup mode using a PC are true？（）AYou may use Cisco Network Assistant to set up the initial configurationBYou must use CLI for initial configurationCYou may use either CLI or CAN for configurationDYou may make a direct connection to the PC from any point on the switchEYou may only make a direct connection from the port with the flashing green LED to the PC
单选题You replaced your Layer 3 switch， which is the default gateway of the end users. Many users cannot access anything now， including email， Internet， and other applications， although other users do not have any issues. All of the applications are hosted in an outsourced data center. In order to fix the problem， which one of these actions should you take？ （）A Clear the MAC address table in the switch.B Clear the ARP cache in the switch.C Clear the ARP cache in the end devices.D Clear the ARP cache in the application servers.
单选题After a technician came out and installed a new wireless router, one of the wired workstations began having problems connecting to the file server. This is only an intermittent problem. Which of the following actions will the technician MOST likely perform to resolve this problem?（）AChange the router's SSIDBMove the router's locationCCheck user permissionsDCheck the cable ends
单选题A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port（）。AThis is a 10 Mb/s switch portBThis is a 100 Mb/s switch portCThis is an Ethernet port operating at half duplexDThis is an Ethernet port operating at full duplexEThis is a port on a network interface card in a PC