Nokia Nokia Certification 4A0-M10 Questions & Answers

• Question 11:

  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.

  Correct Answer: D

  Reference: https://ec.europa.eu/research/participants/documents/downloadPublic? documentIds=080166e5b9aa8c49andappId=PPGMS

• Question 12:

  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_NFUpdate Request

  B. Nnrf_NFDiscovery_NFDiscover Request

  C. Nnrf_NFManagement_NFStatusSubscribe Request

  D. Nnrf_NFManagement_NFDeregister Request

  Correct Answer: A

  Reference: https://www.etsi.org/deliver/etsi_ts/123500_123599/123502/15.03.00_60/ts_123502v150300p.pdf

• Question 13:

  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?

  

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

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

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

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

  Correct Answer: D

• Question 14:

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

  A. Registration

  B. Tracking Area Update

  C. Initial Attach

  D. Service Request

  Correct Answer: C

  Reference: https://itectec.com/spec/5-17-interworking-and-migration/

• Question 15:

  Which of the following statements about 5G QoS Flows is FALSE?

  A. A QoS Flow is the finest granularity of QoS differentiation within a PDU session.

  B. A PDU session has one or more QoS Flows.

  C. All QoS Flows of a PDU session are served by a single N3 GTP-U tunnel.

  D. Each QoS Flow is served by a dedicated data radio bearer.

  Correct Answer: D

• Question 16:

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

  A. N3

  B. N4

  C. N6

  D. N9

  Correct Answer: A

• Question 17:

  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.

  Correct Answer: B

• Question 18:

  Which of the following actions is NOT performed during an Xn-based Inter NG-RAN Handover with I-UPF Insertion procedure?

  A. AMF determines that a new I-UPF needs to be added for a PDU session.

  B. SMF provides N3 tunnel info of I-UPF to target gNB via AMF.

  C. SMF provides N9 tunnel info of UPF PSA to I-UPF.

  D. SMF provides N9 tunnel info of I-UPF to UPF PSA.

  Correct Answer: B

• Question 19:

  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. SMF calculates the session-AMBR value to be enforced.

  C. The UPF that terminates the N6 interface enforces the session-AMBR value in the downlink direction.

  D. NG-RAN enforces the session-AMBR in the uplink direction.

  Correct Answer: C

• Question 20:

  Which of the following elements is NOT used in the 5G non-standalone (NSA) deployment Option 3?

  A. Evolved Packet Core

  B. ng-eNB

  C. gNB

  D. Dual Radio UE

  Correct Answer: A

  Reference: https://www.gsma.com/futurenetworks/wiki/5g-implementation-guidelines/