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NEW QUESTION 12
A UE is handed off from gNB1 to gNB2 using an N2-based handover procedure. The source I-UPF is to be relocated and an indirect data forwarding path is to be used. Which of the following statements is TRUE?
- A. gNB2 tunnel info is allocated for the indirect forwarding path and is included in the Handover Request Ack message sent to AMF.
- B. UPF PSA tunnel info is allocated for the indirect forwarding path and is provided to the source I-UPF.
- C. Target I-UPF tunnel info is allocated for the indirect forwarding path and is provided to the UPF PSA.
- D. AMF decides that an in indirect data forwarding path is required and sends an indication to SMF.
Answer: D
NEW QUESTION 13
In which of the following scenarios is the Service Request procedure performed?
- A. A deregistered UE needs to connect to the network using non-3GPP access.
- B. A deregistered UE needs to register with the network.
- C. A registered UE receives a paging request from the network.
- D. A registered UE needs to establish a new PDU session.
Answer: D
NEW QUESTION 14
Which of the following is NOT an EDCE5 core enhancement to support Option 3X?
- A. PGW selection of appropriate PCRF that supports 5G policies.
- B. MME selection of appropriate gateways capable of supporting NR.
- C. Controlled UE access to NR based upon subscription information.
- D. Support for higher data rates for EPC interfaces.
Answer: D
NEW QUESTION 15
Which of the following actions is performed when an idle UE moves from 5GS to EPS and the N26 interface is used?
- A. AMF uses the EPS-GUTI derived from the UE 5G-GUTI to discover the MME, and then provides the UE context to the MME.
- B. 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.
- C. For any PDU session that supports interworking, the serving SMF provides an SM context that includes mapped EPS bearers to the AMF.
- D. UE initiates an Attach procedure and includes an EPS-GUTI derived from its 5G-GUTI.
Answer: B
NEW QUESTION 16
Which 5GS network function allows UE connectivity to 5GC through non-3GPP access networks?
- A. N3IWF
- B. SEPP
- C. NEF
- D. NWDAF
Answer: D
NEW QUESTION 17
Which of the following statements about network slice selection assistance information (NSSAI) is FALSE?
- A. Subscribed NSSAI is a set of slices specified in the UE subscription data and contains only home PLMN values.
- B. Configured NSSAI is a set of slices configured on the AMF and contains slices supported per tracking area.
- C. Requested NSSAI is a set of slices provided by UE to the network and contains values from serving PLMN.
- D. Allowed NSSAI is a set of slices provided to UE by AMF during UE registration procedure.
Answer: D
NEW QUESTION 18
When an idle UE moves from EPS to 5GS, which procedure is performed?
- A. Initial Attach
- B. Tracking Area Update
- C. Service Request
- D. Registration
Answer: A
NEW QUESTION 19
Which of the following statements regarding the 5G security components is FALSE?
- A. The security identifier de-concealing function (SIDF) decrypts the UE's SUCI to obtain its corresponding SUPI.
- B. The authentication server function (AUSF) handles authentication requests for both 3GPP and non-3GPP access.
- C. The authentication credential repository and processing function (ARPF) selects the authentication method to use for the UE.
- D. The security anchor function (SEAF) makes the final decision on UE authentication.
Answer: A
NEW QUESTION 20
Which of the following statements most accurately describes the SDF templates used in 5G?
- A. SDF templates are used by NG-RAN to map QoS Flows to N3 GTP-U tunnels.
- B. SDF templates are used by UE to map uplink traffic to QoS Flows.
- C. SDF templates are used by UPF to map downlink traffic to QoS Flows.
- D. SDF templates are used by NG-RAN to map QoS Flows to data radio bearers.
Answer: C
NEW QUESTION 21
Which of the following statements about 5G QoS Flows is FALSE?
- A. All QoS Flows of a PDU session are served by a single N3 GTP-U tunnel.
- B. A QoS Flow is the finest granularity of QoS differentiation within a PDU session.
- C. A PDU session has one or more QoS Flows.
- D. Each QoS Flow is served by a dedicated data radio bearer.
Answer: D
NEW QUESTION 22
Which of the following is an HTTP method used by an NF service consumer to create a new resource at an NF service producer when the resource URI is selected by the consumer?
- A. PATCH
- B. POST
- C. PUT
- D. UPDATE
Answer: C
NEW QUESTION 23
NF A wants to explicitly subscribe for event notifications at NFB.
Which of the following actions regarding this mechanism is FALSE?
- A. NF A includes a subscription identifier in the request message sent to NF B.
- B. NF A includes a callback URI in the request message sent to NF B.
- C. NF A includes event filtering criteria in the request message sent to NF B.
- D. NF A acts as a service consumer and NF B acts as a service producer.
Answer: B
NEW QUESTION 24
Which of the following 5GS reference points is used for control plane signaling?
- A. N9
- B. N3
- C. N6
- D. N4
Answer: B
NEW QUESTION 25
Which of the following statements about N2-based handover in 5GS is FALSE?
- A. The serving SMF determines if the UPF terminating N3 can continue to serve the UE and selects a target I-UPF when required.
- B. The SMF decides whether a direct or indirect downlink data forwarding path is to be used.
- C. The serving AMF determines if it can continue to serve the UE and select a target AMF when required.
- D. Handover signaling messages are exchanged between source and target NG-RAN nodes through AMF.
Answer: A
NEW QUESTION 26
An AMF needs to know when an SMF deregisters with the NRF. Which of the following NRF APIs should the AMF use?
- A. Nnrf_NFManagement_NFDeregister Request
- B. Nnrf_NFDiscovery_NFDiscover Request
- C. Nnrf_NFManagement_NFUpdate Request
- D. Nnrf_NFManagement_NFStatusSubscribe Request
Answer: C
NEW QUESTION 27
Which of the following elements is NOT used in the 5G non-standalone (NSA) deployment Option 3?
- A. Dual Radio UE
- B. gNB
- C. Evolved Packet Core
- D. ng-eNB
Answer: C
NEW QUESTION 28
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