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NEW QUESTION 13
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 callback URI in the request message sent to NF B.
- B. NF A acts as a service consumer and NF B acts as a service producer.
- C. NF A includes event filtering criteria in the request message sent to NF B.
- D. NF A includes a subscription identifier in the request message sent to NF B.
Answer: A
NEW QUESTION 14
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?
- A. UE updates its slicing information with the data received from AMF.
- B. AMF initiates the UE configuration update procedure.
- C. AMF requests the UE to release the established PDU session.
- D. UDM notifies the serving AMF about the UE subscription data modification.
Answer: B
NEW QUESTION 15
Which of the following best describes a UE route selection policy (URSP)?
- A. A URSP is a policy pre-configured on the SMF. The SMF uses this policy to select a UPF that can serve a given PDU session for the UE.
- B. A URSP is a policy provisioned to AMF by PCF. The AMF uses this policy to select an SMF that can serve a given PDU session for the UE.
- C. A URSP is a policy pre-configured in the UE. The UE uses this policy to select a non-3GPP access network and an N3IWF to use in the PLMN.
- D. A URSP is a policy that can be pre-configured in the UE or provisioned to the UE by PCF. The UE uses this policy to determine how to handle a given application.
Answer: D
NEW QUESTION 16
An AMF needs to know when an SMF deregisters with the NRF. Which of the following NRF APIs should the AMF use?
- A. Nnrf_NFDiscovery_NFDiscover Request
- B. Nnrf_NFManagement_NFStatusSubscribe Request
- C. Nnrf_NFManagement_NFUpdate Request
- D. Nnrf_NFManagement_NFDeregister Request
Answer: C
NEW QUESTION 17
Which of the following best describes the Secondary Node Addition procedure?
- A. Used to establish a UE context at the gNB for a UE that supports option 3X.
- B. Used to establish connectivity from the gNB to the EPC.
- C. Used to establish an X2 connection between the eNB and gNB.
- D. Used to transfer bearer contexts from the master eNB to the secondary gNB.
Answer: C
NEW QUESTION 18
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?
- A. PGW-U S5-U tunnel info for each EPS bearer
- B. PGW-U indirect data forwarding tunnel info for the corresponding PDN connection
- C. PGW-C S5-C tunnel info for the corresponding PDN connection
- D. EPS bearer ID and QoS parameters for each EPS bearer
Answer: D
NEW QUESTION 19
Which of the following actions is NOT performed when handling an uplink data packet?
- A. UE maps the QoS Flow identifier to a data radio bearer based on QFI-to-DRB mapping received from NG-RAN.
- B. NG-RAN removes the QoS Flow identifier from the packet header and forwards the packet over the proper N3 GTP-U tunnel.
- C. UE maps the uplink data packet to a QoS Flow based on QoS rules received from SMF.
- D. NG-RAN marks the data packet with the proper DSCP value.
Answer: C
NEW QUESTION 20
Which of the following statements regarding the 5G security components is FALSE?
- A. The authentication credential repository and processing function (ARPF) selects the authentication method to use for the UE.
- B. The authentication server function (AUSF) handles authentication requests for both 3GPP and non-3GPP access.
- C. The security identifier de-concealing function (SIDF) decrypts the UE's SUCI to obtain its corresponding SUPI.
- D. The security anchor function (SEAF) makes the final decision on UE authentication.
Answer: C
NEW QUESTION 21
Which of the following actions is NOT performed during an Xn-based Inter NG-RAN Handover with I-UPF Insertion procedure?
- A. SMF provides N3 tunnel info of I-UPF to target gNB via AMF.
- B. SMF provides N9 tunnel info of I-UPF to UPF PSA.
- C. SMF provides N9 tunnel info of UPF PSA to I-UPF.
- D. AMF determines that a new I-UPF needs to be added for a PDU session.
Answer: A
NEW QUESTION 22
Which of the following is NOT an advantage of the 5GS service-based architecture?
- A. Service producers are not aware of service consumers.
- B. Service-based interfaces are point-to-point.
- C. The service-based architecture enables flexible addition of new network functions and services.
- D. Application programming interfaces (APIs) are used to invoke services.
Answer: C
NEW QUESTION 23
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. AMF decides that an in indirect data forwarding path is required and sends an indication to SMF.
- 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. gNB2 tunnel info is allocated for the indirect forwarding path and is included in the Handover Request Ack message sent to AMF.
Answer: A
NEW QUESTION 24
Which of the following is NOT an EDCE5 core enhancement to support Option 3X?
- A. MME selection of appropriate gateways capable of supporting NR.
- B. PGW selection of appropriate PCRF that supports 5G policies.
- C. Support for higher data rates for EPC interfaces.
- D. Controlled UE access to NR based upon subscription information.
Answer: C
NEW QUESTION 25
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 data radio bearers.
- B. SDF templates are used by UE to map uplink traffic to QoS Flows.
- 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.
Answer: D
NEW QUESTION 26
Which of the following statements about session aggregate maximum bit rate (session-AMBR) is FALSE?
- A. Session-AMBR limits the aggregate bit rate provided across all non-GBR QoS Flows of a PDU session.
- B. The UPF that terminates the N6 interface enforces the session-AMBR value in the downlink direction.
- C. NG-RAN enforces the session-AMBR in the uplink direction.
- D. SMF calculates the session-AMBR value to be enforced.
Answer: B
NEW QUESTION 27
Which of the following best describes the function of a PDU session flow classifier?
- A. A UPF that terminates the N6 interface towards the data network.
- B. An SMF that dynamically inserts and removes uplink classifiers (UL CL) at the UPFs.
- C. A UPF that filters uplink traffic according to UL CL rules provided by the SMF.
- D. An SMF that dynamically inserts and removes UL CL at the UE.
Answer: B
NEW QUESTION 28
Which Nokia product is used for the AMF in 5GS?
- A. Network Resource Discovery
- B. Cloud Mobility Manager
- C. Smart Plan Suite
- D. Cloud Mobile Gateway
Answer: B
NEW QUESTION 29
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