Which of the following best describes the function of a PDU session flow classifier?
A. An SMF that dynamically inserts and removes uplink classifiers (UL CL) at the UPFs.
B. An SMF that dynamically inserts and removes UL CL at the UE.
C. A UPF that terminates the N6 interface towards the data network.
D. A UPF that filters uplink traffic according to UL CL rules provided by the SMF.
Which of the following statements about 5G NG-RAN is FALSE?
A. The Xn interface is used to connect gNB to ng-eNB.
B. The NG interface is used to connect ng-eNB to UPF.
C. The Xn interface is used to connect ng-eNB to AMF.
D. The NG interface is used to connect gNB to NGC.
NF A wants to explicitly subscribe for event notifications at NF B. Which of the following actions regarding this mechanism is FALSE?
A. NF A acts as a service consumer and NF B acts as a service producer.
B. NF A includes a subscription identifier in the request message sent to NF B.
C. NF A includes a callback URI in the request message sent to NF B.
D. NF A includes event filtering criteria in the request message sent to NF B.
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.
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.
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
Which of the following best describes the Secondary Node Addition procedure?
A. Used to transfer bearer contexts from the master eNB to the secondary gNB.
B. Used to establish a UE context at the gNB for a UE that supports option 3X.
C. Used to establish connectivity from the gNB to the EPC.
D. Used to establish an X2 connection between the eNB and gNB.
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.
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.
Which of the following statements about non-access stratum mobility management (NAS-MM) protocol is TRUE?
A. It runs between the UE and the SMF.
B. It is used to control user plane resources between the UE and a data network.
C. It provides common procedures such as authentication, identification, and UE configuration update.
D. NAS-MM messages are relayed transparently by the AMF.
