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4A0-M10 Nokia 5G Packet Core Architecture

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Nokia · 4A0-M10

Free 4A0-M10 Exam Dumps Preview

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Question 1

Single choice

Which of the following statements about non-access stratum mobility management (NAS-MM) protocol is TRUE?

A
It runs between the UE and the SMF.
B
It is used to control user plane resources between the UE and a data network.
C
It provides common procedures such as authentication, identification, and UE configuration update.
D
NAS-MM messages are relayed transparently by the AMF.

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Correct answerC

Question 2

Single choice

Which of the following does NOT apply to an idle UE in MICO mode?

A
The UE performs registration updates.
B
The UE connects to the network to send uplink data.
C
Power and signaling efficiency is optimized for the UE.
D
The UE listens and responds to paging.

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Correct answerD

Explanation

References:
https://blog.3g4g.co.uk/2020/07/mobile-initiated-connection-only-mico.html

Question 3

Single choice

Which of the following statements most accurately describes the SDF templates used in 5G?

A
SDF templates are used by UE to map uplink traffic to QoS Flows.
B
SDF templates are used by NG-RAN to map QoS Flows to data radio bearers.
C
SDF templates are used by NG-RAN to map QoS Flows to N3 GTP-U tunnels.
D
SDF templates are used by UPF to map downlink traffic to QoS Flows.

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Correct answerD

Explanation

References:
https://ec.europa.eu/research/participants/documents/downloadPublic?documentIds=080166e5b9aa8c49&appId=PPGMS

Question 4

Single choice

A connected UE moves from 5GS to EPS using the inter-system handover procedure with N26 interface.

Which of the following actions is NOT performed?

A
Source gNB sends an NGAP Handover Required message to source AMF with handover type set to
"NRtoLTE".
B
Source AMF obtains session management contexts stored in UDM+HSS for each PDU session that supports interworking.
C
Source AMF sends a Forward Relocation Request message to the target MME and provides session management contexts.
D
Indirect downlink data forwarding paths are established from source gNB to target eNodeB.

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Correct answerB

Question 5

Single choice

Which of the following statements about the downlink user plane data flow in Option 3X is FALSE?

A
Data packets of bearers that do not use dual connectivity are sent from EPC to UE through eNB.
B
When NR coverage is good, data packets of bearers that use dual connectivity are sent from EPC to
UE using secondary cell group bearers.
C
When NR coverage degrades, the gNB decides when to use split bearers and send some of the packets received from the core through eNB.
D
When NR coverage is poor, data packets of bearers that use dual connectivity are sent to the UE through eNB.

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Correct answerD

Question 6

Single choice

Which of the following statements about 5G NG-RAN is FALSE?

A
The Xn interface is used to connect gNB to ng-eNB.
B
The NG interface is used to connect ng-eNB to UPF.
C
The Xn interface is used to connect ng-eNB to AMF.
D
The NG interface is used to connect gNB to NGC.

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Correct answerA

Explanation

References:
https://www.etsi.org/deliver/etsi_ts/138400_138499/138401/15.02.00_60/ts_138401v150200p.pdf
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Nokia 5G Packet Core Architecture

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