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Nokia 4A0-M03 Exam
Nokia Mobility Manager (Page 2 )

Updated On: 1-Feb-2026
Page 2 of 9
PDF with 50 Questions

Which of the following statements regarding GTP-C is FALSE?

  1. GTP-C is a tunneling protocol.
  2. GTP-C runs over UDP/IP.
  3. GTP-C is the control plane part of GTP.
  4. GTP-C messages carry Attribute Value Pairs (AVPs).

Answer(s): C


Reference:

https://en.wikipedia.org/wiki/GPRS_Tunnelling_Protocol#GTP-C_-_GTP_control



Which of the following messages are exchanged between the MME and the SGW during the UE- initiated detach procedure?

  1. Detach Request / Detach Accept
  2. Delete Session Request / Delete Session Response
  3. S1 Context Release / S1 Context Release Complete
  4. CC-Request / CC-Answer

Answer(s): A


Reference:

https://www.slideshare.net/tharinduwije/lte-ue-initial-attach-detach-from-networkx



Which of the following is NOT performed by the MME during S1-based handover procedure?

  1. MME determines if SGW relocation is required.
  2. MME selects the target eNodeB for handover.
  3. MME releases bearers that are not accepted by the target eNodeB.
  4. MME checks if the handover is to restricted area based on the handover restriction list.

Answer(s): C



Which of the following regarding PM is FALSE?

  1. PM counters contain system health information on a specific VM.
  2. PM counters are stored in XML format.
  3. PM counters are collected on a per-interval basis.
  4. A PM job is defined to collect PM counters.

Answer(s): D



Given the exhibit, the MME is unable to retrieve authentication vector (AV) from the HSS and the initial UE attach fails.



Which of the following actions is useful for troubleshooting this problem?

  1. Verify if the IMSI to HSS mapping list is configured properly.
  2. Verify if a GTP profile is associated with the S6a interface.
  3. Verify if the TAI value matches between the MME and the HSS.
  4. Verify if the DNS server is provisioned to dynamically discover the HSS IP address.

Answer(s): D



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