Which of the following statements about the downlink user plane data flow in Option 3X is FALSE?
A. When NR coverage is poor, data packets of bearers that use dual connectivity are sent to the UE through eNB.
B. Data packets of bearers that do not use dual connectivity are sent from EPC to UE through eNB.
C. When NR coverage degrades, the gNB decides when to use split bearers and send some of the packets received from the core through eNB.
D. When NR coverage is good, data packets of bearers that use dual connectivity are sent from EPC to UE using secondary cell group bearers.
正解:A
質問 2:
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
正解:A
質問 3:
Which of the following statements about non-access stratum mobility management (NAS-MM) protocol is TRUE?
A. NAS-MM messages are relayed transparently by the AMF.
B. It runs between the UE and the SMF.
C. It is used to control user plane resources between the UE and a data network.
D. It provides common procedures such as authentication, identification, and UE configuration update.
正解:D
質問 4:
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 includes event filtering criteria in the request message sent to NF B.
C. NF A acts as a service consumer and NF B acts as a service producer.
D. NF A includes a subscription identifier in the request message sent to NF B.
正解:A
Ikenaga -
前評判通り、丁寧な解説で読み進めやすかったです。
Nokiaの問題集4A0-M10、12日間の学習で合格できました。