Most Recent Nokia 4A0-M03 Exam Questions & Answers

Prepare for the Nokia Mobility Manager exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

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The questions for 4A0-M03 were last updated on Dec 22, 2024.

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Question No. 1

Which of the following statements regarding handover is FALSE?

AHandover can occur when UE is in ECM-CONNECTED state

BS1-based handover is used when X2-based handover attempt failed

CDuring X2-based handover, MME may remain the same or be relocated

DS1-based handover is used when there is no X2 interface between source and target eNodeBs

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Correct Answer: C

Question No. 2

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?

AVerify if the IMSI to HSS mapping list is configured properly.

BVerify if a GTP profile is associated with the S6a interface.

CVerify if the TAI value matches between the MME and the HSS.

DVerify if the DNS server is provisioned to dynamically discover the HSS IP address.

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Correct Answer: D

Question No. 3

Which logical interface is used to transfer UE information from one MME to another MME during relocation?

AS10

BS3

CS6a

DS13

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Correct Answer: A

https://www.cablefree.net/wirelesstechnology/4glte/lte-interfaces/

Question No. 4

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

ADetach Request / Detach Accept

BDelete Session Request / Delete Session Response

CS1 Context Release / S1 Context Release Complete

DCC-Request / CC-Answer

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Correct Answer: A

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

Question No. 5

Which of the following functions is NOT performed by MME when it receives a TAU from a UE?

APerform message integrity check

BInform HSS of the UE's current location

CCheck if UE requests access to a restricted tracking area

DSend paging message to a list of SGWs belonging to UE's registered tracking area

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Correct Answer: D

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