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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.
参考答案
更多 “ 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.” 相关考题
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A Bridged 1483 service offering is grouping DSL users into a large subnet.What are three characteristics of this configuration?()
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Which utility is used to restrict the number of addresses assigned to subscribers on a Bridged 1483 interface?()
A. proxy DHCPB. RADIUS VSAC. DHCP option 82D. maximum sessions
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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.
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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
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In a Bridged 1483 network, which set of commands represent an operationally correct configuration for an ATM subinterface?()
A. interface atm 6/0.33 atm pvc 33 0 33 aal5mux encapsulation bridge1483 ip unnumbered loopback0B. interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip unnumbered loopback0C. interface atm 6/0.33 atm pvc 33 0 33 aal5mux encapsulation bridge1483 ip address unnumbered loopback0D. interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip address 0.0.0.0 255.255.255.255
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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
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How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network?()
A.It maintains DHCP leases on behalf of subscribers.B.It initiates DHCP requests on behalf of subscribers.C.It passes DHCP traffic to and from the server;you must configure static host routes.D.It passes DHCP traffic to and from the server and inserts host routes into its routing table.
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What will happen if a private IP address is assigned to a public interface connected to an ISP?()
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Refer to the exhibit. What command sequence will enable PAT from the inside to outside network?()
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Refer to the exhibit. On the basis of the information in the exhibit， which two statements are true？（）A、When traffic is sent from the ISP to autonomous system 64512， the traffic will be forwarded toSanJose2 because of the higher MED value of SanJose2B、The serial 0/0/1 interface on the ISP router has been configured with the set metric 50commandC、The output was generated by entering the show ip bgp command on the SanJose1 routerD、The output was generated by entering the show ip bgp command on the ISP routerE、The serial 0/0/1 interface on the ISP router has been configured with the set metric 75commandF、When traffic is sent from the ISP to autonomous system 64512， the traffic will be forwarded toSanJose1 because of the lower MED value of SanJose1
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Which utility is used to restrict the number of addresses assigned to subscribers on a Bridged 1483 interface?（）A、proxy DHCPB、RADIUS VSAC、DHCP option 82D、maximum sessions
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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
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A Bridged 1483 service offering is grouping DSL users into a large subnet.What are three characteristics of this configuration？（）A、It burns IP addresses.B、It conserves IP addresses.C、A group of PVCs is a subnet.D、It provides an umbered IP address to the ERXE、It provides an IP unnumbered address to ERX
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A Bridged 1483 service offering is grouping DSL users into a large subnet.What are three characteristics of this configuration?（）A、It burns IP addresses.B、It conserves IP addresses.C、A group of PVCs is asubnet.D、It provides a numbered IP address to the ERX.E、It provides an IP unnumber edaddress to ERX.
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You have a Bridged 1483 service offering where each ATM PVC is assigned a /30 subnet. What are two characteristics of this configuration？（）A、It burns IP addresses.B、It conserves IP addresses.C、Both the client and the ERX Edge Router have IP addresses.D、The client has an IP address， but the ERX Edge Router uses an unnumbered address.
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What will happen if a private IP address is assigned to a public interface connected to an ISP?（）A、Addresses in a private range will be not routed on the Internet backbone.B、Only the ISP router will have the capability to access the public network.C、The NAT process will be used to translate this address in a valid IP address.D、Several automated methods will be necessary on the private network.E、A conflict of IP addresses happens, because other public routers can use the same range.
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In a Bridged 1483 network, which set of commands represent an operationally correct configuration for an ATM subinterface?（）A、interface atm 6/0.33 atm pvc 33 0 33 aal5mux encapsulation bridge1483 ip unnumbered loopback0B、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip unnumbered loopback0C、interface atm 6/0.33 atm pvc 33 0 33 aal5mux encapsulation bridge1483 ip address unnumbered loopback0D、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip address 0.0.0.0 255.255.255.255
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How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network？（）A、It maintains DHCP leases on behalf of subscribers.B、It initiates DHCP requests on behalf of subscribers.C、It passes DHCP traffic to and from the server;you must configure static host routes.D、It passes DHCP traffic to and from the server and inserts host routes into its routing table.
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You have a firewall filter containing two terms applied in an inbound direction on a customer interface. You would like this filter to protect your network from a spoofed denial of service attack. What match criterion should be used in the first term of the filter？（）A、Source TCP portB、Source IP addressC、Destination TCP portD、Destination IP address
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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
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In a Bridged 1483 network, which set of commands is used to configure an ATM sub-interface?（）A、interface atm 6/0.33 atm pvc 33 0 33 aal5snap ip description Company-XYZ encapsulation bridge1483 ip address unnumbered loopback0B、interface atm 6/0.33 atm pvc 33 0 33 aal5snap ip description Company-XYZ encapsulation bridge1483 ip unnumbered loopback0C、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip description Company-XYZ ip address unnumbered loopback0D、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip description Company-XYZ ip unnumbered loopback0
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多选题A Bridged 1483 service offering is grouping DSL users into a large subnet.What are three characteristics of this configuration？（）AIt burns IP addresses.BIt conserves IP addresses.CA group of PVCs is a subnet.DIt provides an umbered IP address to the ERXEIt provides an IP unnumbered address to ERX
考题
单选题How does the ERX Edge Router interact with an external DHCP server in a Bridged 1483 network？（）A
It maintains DHCP leases on behalf of subscribers.B
It initiates DHCP requests on behalf of subscribers.C
It passes DHCP traffic to and from the server;you must configure static host routes.D
It passes DHCP traffic to and from the server and inserts host routes into its routing table.
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多选题You have a Bridged 1483 service offering where each ATM PVC is assigned a /30 subnet. What are two characteristics of this configuration？（）AIt burns IP addresses.BIt conserves IP addresses.CBoth the client and the ERX Edge Router have IP addresses.DThe client has an IP address， but the ERX Edge Router uses an unnumbered address.
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多选题A Bridged 1483 service offering is grouping DSL users into a large subnet.What are three characteristics of this configuration?（）AIt burns IP addresses.BIt conserves IP addresses.CA group of PVCs is asubnet.DIt provides a numbered IP address to the ERX.EIt provides an IP unnumber edaddress to ERX.
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单选题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
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