QUESTION: 1

Which of the following best describes the function of a PDU session flow classifier?

An SMF that dynamically inserts and removes uplink classifiers (UL CL) at the UPFs.
An SMF that dynamically inserts and removes UL CL at the UE.
A UPF that terminates the N6 interface towards the data network.
A UPF that filters uplink traffic according to UL CL rules provided by the SMF.

Answer(s): A

Reference:

https://www.metaswitch.com/knowledge-center/reference/what-is-the-5g-user-plane-function-upf

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QUESTION: 2

Which of the following statements regarding cloud RAN architecture is FALSE?

The gNB is split into three functional modules: a radio unit (RU), a distributed unit (DU), and a centralized unit (CU).
DU performs the non-real time processing of layer 2.
The fronthaul segment connects RU to DU and the midhaul segment connects DU to CU.
CU can be deployed in the cloud as a VNF.

Answer(s): D

Reference:

https://www.5gtechnologyworld.com/open-ran-functional-splits-explained/

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QUESTION: 3

A UE has a PDU session established using slice 1. The operator removes slice 1 from the UE subscription data stored in UDM. Which of the following actions is NOT performed as a result?

UDM notifies the serving AMF about the UE subscription data modification.
AMF initiates the UE configuration update procedure.
AMF requests the UE to release the established PDU session.
UE updates its slicing information with the data received from AMF.

Answer(s): B

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QUESTION: 4

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

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

Answer(s): D

Reference:

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

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