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

题目
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.

相似考题

1.From where does a small network typically get its IP network addresses or IP block?A．From the Internet Domain Name Registry (IDNR)B．From the Internet Assigned Numbers Authority (IANA)C．From the Internet Service Provider (ISP)D．From the Internet Architecture Board (IAB)E．None of the above

2.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.

3.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

4.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

参考答案和解析
正确答案： C
解析： 暂无解析
更多“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 ”相关问题

  • 第1题：

    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 loopback0

    B. interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip unnumbered loopback0

    C. interface atm 6/0.33 atm pvc 33 0 33 aal5mux encapsulation bridge1483 ip address unnumbered loopback0

    D. interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip address 0.0.0.0 255.255.255.255


    参考答案：B

  • 第2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.


    参考答案：D

  • 第3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.

    正确答案:B

  • 第4题：

    Which utility is used to restrict the number of addresses assigned to subscribers on a Bridged 1483 interface?（）

    • A、proxy DHCP
    • B、RADIUS VSA
    • C、DHCP option 82
    • D、maximum sessions

    正确答案:C

  • 第5题：

    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 ERX
    • E、It provides an IP unnumbered address to ERX

    正确答案:B,C,E

  • 第6题：

    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.

    正确答案:A,C

  • 第7题：

    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 loopback0
    • B、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip unnumbered loopback0
    • C、interface atm 6/0.33 atm pvc 33 0 33 aal5mux encapsulation bridge1483 ip address unnumbered loopback0
    • D、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip address 0.0.0.0 255.255.255.255

    正确答案:B

  • 第8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 arp
    • B、no ip proxy-arp
    • C、restrict ip arp
    • D、restrict ip proxy-arp

    正确答案:B

  • 第9题：

    单选题
    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 port

    B

    Source IP address

    C

    Destination TCP port

    D

    Destination IP address


    正确答案： C
    解析： 暂无解析

  • 第10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.


    正确答案： A
    解析： 暂无解析

  • 第11题：

    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？（）
    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.


    正确答案： A,D
    解析： 暂无解析

  • 第12题：

    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 arp

    B

    no ip proxy-arp

    C

    restrict ip arp

    D

    restrict ip proxy-arp


    正确答案： B
    解析： 暂无解析

  • 第13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 arp

    B. no ip proxy-arp

    C. restrict ip arp

    D. restrict ip proxy-arp


    参考答案：B

  • 第14题：

    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.


    参考答案：A

  • 第15题：

    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 SanJose2
    • B、The serial 0/0/1 interface on the ISP router has been configured with the set metric 50command
    • C、The output was generated by entering the show ip bgp command on the SanJose1 router
    • D、The output was generated by entering the show ip bgp command on the ISP router
    • E、The serial 0/0/1 interface on the ISP router has been configured with the set metric 75command
    • F、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

    正确答案:D,F

  • 第16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 redistribution
    • B、incorrect static host route configuration
    • C、incorrect static customer route configuration
    • D、incorrect default static route configuration on the end user

    正确答案:A

  • 第17题：

    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.

    正确答案:B,C,E

  • 第18题：

    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.

    正确答案:A

  • 第19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.

    正确答案:D

  • 第20题：

    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 loopback0
    • B、interface atm 6/0.33 atm pvc 33 0 33 aal5snap ip description Company-XYZ encapsulation bridge1483 ip unnumbered loopback0
    • C、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip description Company-XYZ ip address unnumbered loopback0
    • D、interface atm 6/0.33 atm pvc 33 0 33 aal5snap encapsulation bridge1483 ip description Company-XYZ ip unnumbered loopback0

    正确答案:D

  • 第21题：

    单选题
    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.


    正确答案： D
    解析： 暂无解析

  • 第22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 redistribution

    B

    incorrect static host route configuration

    C

    incorrect static customer route configuration

    D

    incorrect default static route configuration on the end user


    正确答案： D
    解析： 暂无解析

  • 第23题：

    单选题
    Which utility is used to restrict the number of addresses assigned to subscribers on a Bridged 1483 interface?（）
    A

    proxy DHCP

    B

    RADIUS VSA

    C

    DHCP option 82

    D

    maximum sessions


    正确答案： A
    解析： 暂无解析

  • 第24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.


    正确答案： C
    解析： 暂无解析

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