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?（）

Enable Proxy ARP.

Disable Proxy ARP.

Enable Inverse ARP.

Disable Inverse ARP.

参考答案和解析

正确答案： D

解析：暂无解析

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相似问题和答案

第1题：

The ERX Edge Router in your Bridged 1483 network has multiple external DHCP servers configured.During discovery, which algorithm does the router use to decide which DHCP server to send packets to?()

A. direct mode

B. round robin

C. weighted round robin

D. No algorithm is used.

参考答案：D

第2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

参考答案：A

第3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 address

B.DSL router IP address

C.DSL bridge IP address

D.ERX loopback address

参考答案：D

第4题：

A company has recently received a new ADSL backup Internet connection. Which of the followingwill MOST likely be used between the modem and the ISP?()

A.PPPoE

B.RAS

C.IPSec

D.MSCHAP

参考答案：A

第5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6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.

参考答案：B

第7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

参考答案：D

第8题：

Which two B－RAS service offerings maintain the analog dial－up model with centralized user authentication,authorization,andaccounting?()

A.Routed1483

B.Bridged1483

C.PPPoverATM

D.PPPoverEthernet

参考答案：C, D

第9题：

Which two static routes are typically configured on your router when a Routed 1483 network is grouping ATM PVCs intoalarge subnet?()

A.host route

B.default route

C.customer network

D.ISP’s routing domain

参考答案：A, C

第10题：

RouterNetworkTutisconfiguredasshownbelow:Giventheaboveconfiguration,whichstatementistrue?()

A.ThisdeviceisconfiguredasaPPPoEclient

B.ThisdeviceisconfiguredasaPPPoAclient

C.ThisdeviceisconfiguredasRFC1483/2684bridge

D.Thisdeviceisconfiguredananaggregationrouter

参考答案：B

In a Bridged 1483 network, an ISP has received complaints fr

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