Updated Mar-2023 Exam Materials for You to Prepare & Pass 4A0-M10 Exam [Q16-Q38]

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Updated Mar-2023 Exam Materials for You to Prepare & Pass 4A0-M10 Exam.

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QUESTION 16
Which 5GS network function allows UE connectivity to 5GC through non-3GPP access networks?

SEPP

N3IWF

NWDAF

NEF

QUESTION 17
Which of the following statements about non-access stratum mobility management (NAS-MM) protocol is TRUE?

It runs between the UE and the SMF.

It is used to control user plane resources between the UE and a data network.

It provides common procedures such as authentication, identification, and UE configuration update.

NAS-MM messages are relayed transparently by the AMF.

QUESTION 18
Which of the following statements regarding the 5G security components is FALSE?

The authentication credential repository and processing function (ARPF) selects the authentication method to use for the UE.

The authentication server function (AUSF) handles authentication requests for both 3GPP and non-3GPP access.

The security anchor function (SEAF) makes the final decision on UE authentication.

The security identifier de-concealing function (SIDF) decrypts the UE’s SUCI to obtain its corresponding SUPI.

QUESTION 19
When an idle UE moves from EPS to 5GS, which procedure is performed?

Registration

Tracking Area Update

Initial Attach

Service Request

QUESTION 20
Which of the following is NOT an EDCE5 core enhancement to support Option 3X?

Support for higher data rates for EPC interfaces.

MME selection of appropriate gateways capable of supporting NR.

PGW selection of appropriate PCRF that supports 5G policies.

Controlled UE access to NR based upon subscription information.

QUESTION 21
Which of the following 5GS reference points is used for control plane signaling?

QUESTION 22
The exhibit below illustrates signaling messages exchanged during a 5GS to EPS Handover procedure using N26. Which information is NOT provided to AMF in step 6 for a PDU session that supports interworking?

PGW-U indirect data forwarding tunnel info for the corresponding PDN connection

PGW-C S5-C tunnel info for the corresponding PDN connection

PGW-U S5-U tunnel info for each EPS bearer

EPS bearer ID and QoS parameters for each EPS bearer

QUESTION 23
Which of the following statements about N2-based handover in 5GS is FALSE?

Handover signaling messages are exchanged between source and target NG-RAN nodes through AMF.

The serving AMF determines if it can continue to serve the UE and select a target AMF when required.

The serving SMF determines if the UPF terminating N3 can continue to serve the UE and selects a target I-UPF when required.

The SMF decides whether a direct or indirect downlink data forwarding path is to be used.

QUESTION 24
The exhibit below displays a packet capture of the PFCP Session Modification Request message sent during a PDU Session Establishments procedure. What do the highlighted TEID and IP Address refer to?

The N3 TEID allocated by gNB and the gNB IP address.

The N3 TEID allocated by UPF and the UPF IP address.

The N3 TEID allocated by SMF and the SMF IP address.

The N3 TEID allocated by SMF and the UPF IP address.

QUESTION 25
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.

QUESTION 26
Which of the following statements about the downlink user plane data flow in Option 3X is FALSE?

Data packets of bearers that do not use dual connectivity are sent from EPC to UE through eNB.

When NR coverage is good, data packets of bearers that use dual connectivity are sent from EPC to UE using secondary cell group bearers.

When NR coverage degrades, the gNB decides when to use split bearers and send some of the packets received from the core through eNB.

When NR coverage is poor, data packets of bearers that use dual connectivity are sent to the UE through eNB.

QUESTION 27
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?

Source gNB sends an NGAP Handover Required message to source AMF with handover type set to
“NRtoLTE”.

Source AMF obtains session management contexts stored in UDM+HSS for each PDU session that supports interworking.

Source AMF sends a Forward Relocation Request message to the target MME and provides session management contexts.

Indirect downlink data forwarding paths are established from source gNB to target eNodeB.

QUESTION 28
An AMF needs to know when an SMF deregisters with the NRF. Which of the following NRF APIs should the AMF use?

Nnrf_NFManagement_NFUpdate Request

Nnrf_NFDiscovery_NFDiscover Request

Nnrf_NFManagement_NFStatusSubscribe Request

Nnrf_NFManagement_NFDeregister Request

QUESTION 29
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.

QUESTION 30
Which of the following statements about Option 3X dual connectivity is FALSE?

VoLTE traffic is handled by the LTE network.

Dual connectivity is used for high throughput services such as eMBB.

When NR radio quality becomes sub-optimal, gNB decides to split the bearer.

Both eNB and gNB are connected with S1-U interfaces to SGW.

QUESTION 31
Which of the following actions is performed when an idle UE moves from 5GS to EPS and the N26 interface is used?

UE initiates an Attach procedure and includes an EPS-GUTI derived from its 5G-GUTI.

For any PDU session that supports interworking, the serving SMF provides an SM context that includes mapped EPS bearers to the AMF.

AMF selects an SGW to serve the UE, and then sets up the required S5-U and S5-C GTP tunnels on the selected SGW.

AMF uses the EPS-GUTI derived from the UE 5G-GUTI to discover the MME, and then provides the UE context to the MME.

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