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Alcatel-Lucent 4A0-101 Exam
4A0-101 Alcatel-Lucent Interior Routing Protocols and High Availability (Page 3 )

Updated On: 1-Feb-2026
Page 3 of 37
PDF with 315 Questions

What is wrong with the following filter configuration from an Alcatel-Lucent 7750 SR?

RTR-B# configure filter
RTR-B>config>filter# ip-filter 1 create
RTR-B>config>filter>ip-filter$ entry 1 create
RTR-B>config>filter>ip-filter>entry$ match src-ip 172.2.0.0/16
RTR-B>config>filter>ip-filter>entry# action drop
RTR-B# configure router interface toRTR-A
RTR-B>config>router>if# egress
RTR-B>config>router>if>egress# filter ip 1

  1. There is nothing wrong with this filter
  2. The filter should be applied to the ingress and not the egress.
  3. The mask cannot be a "/" value, it must be in dotted decimal.
  4. All traffic is being blocked

Answer(s): D



When configuring a filter, where should the most explicit entries be placed?

  1. At the bottom
  2. In the middle
  3. At the top
  4. It does not matter where they are placed.

Answer(s): C



From the list below identify two matching criteria supported for IP filters on the Alcatel-Lucent 7750 SR: (Choose two)

  1. DSCP marking
  2. Class of Service Marking
  3. DSAP marking
  4. ICMP type

Answer(s): A,D



What command is used on the Alcatel-Lucent 7750 SR to define the default action to be taken if a packet does not match any entry in an IP filter?

  1. config>filter# default-action XXX
  2. config>filter>ip-filter# default-action XXX
  3. config>filter# default-mode XXX
  4. config>filter>ip-filter# default-mode XXX

Answer(s): B



Click the exhibit button.



Two neighboring OSPF routers have exchanged the packets shown. What state is the adjacency in?

  1. Full; both routers are exchanging Helios to maintain the adjacency.
  2. The adjacency is down.
  3. The adjacency is in exstart state.
  4. The adjacency is in the exchange state.

Answer(s): C



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