4A0-110 Exam Details

  • Exam Code
    :4A0-110
  • Exam Name
    :Alcatel-Lucent Advanced Troubleshooting
  • Certification
    :Nokia Certifications
  • Vendor
    :Nokia
  • Total Questions
    :40 Q&As
  • Last Updated
    :Jul 14, 2026

Nokia 4A0-110 Online Questions & Answers

  • Question 21:

    Based on the following MP-BGP update packet, what is the export route-target of peer 10.10.1.4 on Node 1?

    A. 100:100
    B. 100:100 and 200:200
    C. 200:200
    D. 100:101
    E. 200:101

  • Question 22:

    What are the typical RIP related issues found during troubleshooting?

    A. Interface filters
    B. Broadcast/Multicast mismatch
    C. Area id not match with neighbor
    D. Group name not match with neighbor
    E. Hop count too high

  • Question 23:

    A CSPF LSP with no bandwidth requirement is established from Node 1 (10.10.1.1) to Node 2 (10.10.1.2). OSPF-TE is enabled on all routers in the network. What commands can be used on Node 1 to determine if another LSP can be established to Node 2 with 400M bandwidth requirement? Choose all that apply.

    A. Show router lsp detail
    B. Show router ospf database detail
    C. Show router ospf opaque-database detail
    D. Tools perform router mpls cspf to 10.10.1.2 bandwidth 400
    E. Tools dump router mpls lspinfo

  • Question 24:

    VPRN 300 is configured on Node 4. BGP is being used as the PE-CE routing protocol. Node 2 is the CE router. The BGP session is not established between Node 4 and Node 2. What is missing in the configuration?

    A. Type external has to be configured on Node 2 under group vrf
    B. Autonomous-system has to be configured on Node 4 under vprn 300
    C. Router-id has to be configured on Node 4 under vprn 300
    D. Router-id has to be added under BGP on Node 2
    E. EBGP will not work under VPRN

  • Question 25:

    The mesh-sdp binding for a VPLS configured on Node 1 is down with an error serviceMTUMismatch. One sap is configured in the VPLS and it is up with default mtu 1514. The LDP binding display on Node 1 shows that there is a mismatch on the MTU value. What are the required configurations on Node 1 to bring the VPLS up?

    A. Set the sap port mtu to 9176
    B. Set the service-mtu to 9176
    C. Set the service-mtu to 9190
    D. Set the sap port mtu to 9190
    E. Set the service-mtu to 1514

  • Question 26:

    Due to same VPLS mis-configuration, traffic (e.g.ping) is not work between PC1 and PC 2. Choose the best explanation for the problem.

    A. MTU is not configured on all sdp
    B. SDP id has to match on all three nodes
    C. STP has to be enabled on all three nodes
    D. No SAP is configured on Node-2
    E. Spoke-sdp has to be used on all three nodes

  • Question 27:

    L1 ISIS adjacency is up between two routers (Node-1 and Node-2) with MD5 authentication configured. During a maintenance window, an operator was planning to change one of the ISIS hello authentication key from admin to admin123. After removing the hello authentication key from Node-1 (no change on Node-2 side), the ISIS adjacency stayed up. The operator decided to fall back to the original configuration and called Alcatel for support. Which of the following statement best describe the cause of the problem? Select one answer only.

    A. The ISIS hello authentication key was not configured properly in the first place, that's why removing the authentication key does not impact the adjacency
    B. The ISIS authentication key is the same as the hello authentication key, therefore removing hello authentication key does not impact the adjacency
    C. The system interface is missing from the ISIS configuration, therefore ISIS is not working properly even before the change
    D. ISIS hello authentication key is only used for hello packet exchange. It does not affect ISIS adjacency
    E. ISIS hello authentication key is not used to bring up ISIS adjacency when traffic-engineering is enabled on the routers

  • Question 28:

    Based on the following CLI Output, why is the path toPod3-loose down?

    A. Path toPod3-loose is down because it is secondary path with no standby configured
    B. Path toPod3-loose is down because there is no explicit hop specified
    C. Path toPod3-loose is down because CSPF is not enabled
    D. Path toPod3-loose is down because the destination address 0.10.1.3 is not reachable
    E. Path toPod3-loose is not down because the failure code is oError

  • Question 29:

    A policy is configured to redistribute four active static routes into ISIS. No ISIS route is received on the far end, what is the cause of the problem?

    A. Action accept?has to be configured for entry 10
    B. Default-action has to be configured as accept
    C. Import policy should be configured under ISIS instead of export policy
    D. Within entry 10, to protocol isis has to be configured
    E. A prefix list has to be configured to filter the routes

  • Question 30:

    Which one of the following CLI can be used to view all management VPLS configured on a 7x50?

    A. Show service service-using m-vpls
    B. Show service service-using
    C. Show router vpls detail
    D. Show service id base
    E. There is no CLI command to display management VPLS

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