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单选题
In a Bridged 1483 network, what Layer 2 encapsulations are passed between the DSL bridge and the ERX?（）
A
single ATM header
B
single Ethernet header
C
ATM header followed by a PPP header
D
ATM header followed by an Ethernet header
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考题
is a network layer device that supports multiple LAN interfaces and segments LANs into smaller collision and broadcast domains.A．RepeaterB．RouterC．BridgeD．Switch
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A Bridged 1483 network is grouping DSL users into a single subnet.Where must the CPE work station’s default gateway point?()
A.ERX ATM IP addressB.DSL router IP addressC.DSL bridge IP addressD.ERX loopback address
考题
In a Bridged 1483 network, an ISP has received complaints from their subscribers of denial of service attacks.The ISP suspects these attacks are coming from other subscribers that share the same IP unnumbered interface on the ERX.What can be done to solve this problem?（）A. Enable Proxy ARP.B. Disable Proxy ARP.C. Enable Inverse ARP.D. Disable Inverse ARP.
考题
You can successfully ping a Bridged 1483 customer‘s workstation from the local ERX. However, a remote ERX router in your network cannot ping that same device.What could be causing this problem?()
A. incorrect DSL network redistributionB. incorrect static host route configurationC. incorrect static customer route configurationD. incorrect default static route configuration on the end user
考题
In a Bridged 1483 network, what Layer 2 encapsulations are passed between the DSL bridge and the ERX?()
A. single ATM headerB. single Ethernet headerC. ATM header followed by a PPP headerD. ATM header followed by an Ethernet header
考题
In a bridged 1483 network,which configuration command allows the ERX Edge Router to advertise customer networks into the provider's IGP?()
A.redistribute directB.redistribute staticC.redistribute connectedD.redistribute access-internal
考题
At Layer 2 of the OSI model, which component connects a host to the network media?()
A. HubB. SwitchC. BridgeD. NICE. Transceiver
考题
What are some common layer 2 encapsulations for a WAN link?()
A. EthernetB. PPPC. Token RingD. HDLCE. Frame RelayF. POTS
考题
RouterNetworkTutisconfiguredasshownbelow:Giventheaboveconfiguration,whichstatementistrue?()
A.ThisdeviceisconfiguredasaPPPoEclientB.ThisdeviceisconfiguredasaPPPoAclientC.ThisdeviceisconfiguredasRFC1483/2684bridgeD.Thisdeviceisconfiguredananaggregationrouter
考题
At Layer 2 of the OSI model, which component connects a host to the network media?（）A、HubB、SwitchC、BridgeD、NICE、Transceiver
考题
What are some common layer 2 encapsulations for a WAN link?（）A、EthernetB、PPPC、Token RingD、HDLCE、Frame RelayF、POTS
考题
In a Routed 1483 network what method of routing is typically employed on the DSL router？（）A、staticB、OSPFC、RIPv1D、RIPv2
考题
What layer of the TMN （telecommunications management network） model does CTM fit into？（）A、Network management layerB、Element management layerC、Business management layerD、Network element layer
考题
Which of the following is a layer 3 device that separates broadcast domains?（）A、Network Interface CardB、HubC、BridgeD、Router
考题
A Bridged 1483 network is grouping all DSL users into a single logical subnet. Which configuration command prevents the end users from directly communicating with each other?（）A、no ip arpB、no ip proxy-arpC、restrict ip arpD、restrict ip proxy-arp
考题
What is the maximum number of external DHCP servers per virtual router in a Bridged 1483 network？（）A、3B、5C、10D、20
考题
You are configuring an ATM PVC to support a Bridged 1483 network.What should be applied to the atm pvc command to accomplish this goal?（）A、aal5muxB、aal5snapC、aal5routeD、aal5bridge
考题
单选题A Bridged 1483 network is grouping DSL users into a single subnet.Where must the CPE work station’s default gateway point？（）A
ERX ATM IP addressB
DSL router IP addressC
DSL bridge IP addressD
ERX loopback address
考题
单选题What is the maximum number of external DHCP servers per virtual router in a Bridged 1483 network？（）A
3B
5C
10D
20
考题
单选题Which command configures an ATM PVC in a Bridged 1483 network？（）A
atm pvc 33 0 33 aal5snapB
atm pvc 33 0 33 aal5bridgeC
atm pvc 33 0 33 bridge1483D
atm pvc 33 0 33 1483bridge
考题
单选题In a Routed 1483 network what method of routing is typically employed on the DSL router？（）A
staticB
OSPFC
RIPv1D
RIPv2
考题
单选题In a bridged 1483 network,which configuration command allows the ERX Edge Router to advertise customer networks into the provider's IGP?（）A
redistribute directB
redistribute staticC
redistribute connectedD
redistribute access-internal
考题
多选题What are some common layer 2 encapsulations for a WAN link?（）AEthernetBPPPCToken RingDHDLCEFrame RelayFPOTS
考题
单选题You can successfully ping a Bridged 1483 customer's workstation from the local ERX. However, a remote ERX router in your network cannot ping that same device. What could be causing this problem?（）A
incorrect DSL network redistributionB
incorrect static host route configurationC
incorrect static customer route configurationD
incorrect default static route configuration on the end user
考题
单选题In a Bridged 1483 network, what Layer 2 encapsulations are passed between the DSL bridge and the ERX?（）A
single ATM headerB
single Ethernet headerC
ATM header followed by a PPP headerD
ATM header followed by an Ethernet header
考题
单选题You are configuring an ATM PVC to support a Bridged 1483 network.What should be applied to the atm pvc command to accomplish this goal?（）A
aal5muxB
aal5snapC
aal5routeD
aal5bridge
考题
单选题In a Bridged 1483 network, an ISP has received complaints from their subscribers of denial of service attacks. The ISP suspects these attacks are coming from other subscribers that share the same IP unnumbered interface on the ERX. What can be done to solve this problem?（）A
Enable Proxy ARP.B
Disable Proxy ARP.C
Enable Inverse ARP.D
Disable Inverse ARP.
考题
单选题In a bridged 1483 network， what configuration command allows the ERX Edge Router to advertise customer networks into the provider’s IGP？ （）A
redistribute directB
redistribute staticC
redistribute connectedD
redistribute access-internal
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