4A0-M03 試験問題を無料オンラインアクセス

Which of the following is NOT a benefit of S1-Flex mechanism?

• A.Provides MME load balancing
• B.Minimizes the number of MMEs required in a network
• C.Minimizes MME relocation in case of UE mobility
• D.Provides MME geographical resilience

Which of the following statements regarding the SMC procedure is FALSE?

• A.SMC procedure must be completed successfully before AKA procedure starts.
• B.UE responds with a security mode complete message.
• C.MME sends a security mode command message to the UE.
• D.SMC procedure is used to provide NAS signaling security between the UE and the MME.

Which of the following statements best defines S-TMSI?

• A.A globally unique temporary mobile identifier used to hide the subscriber's real permanent identity.
• B.A permanent, unique identification of a mobile subscriber in the GSM/UMTS/EPS system.
• C.An identifier assigned by the MME that uniquely identifies a UE within an MME pool.
• D.A network that provides mobile communication services to the public.

Which of the following is NOT an EPS session management (ESM) function performed by MME?

• A.Perform network element selection
• B.Support default bearer creation, modification, and deletion
• C.Inform other network elements about subscription data changes in HSS
• D.Support dedicated bearer creation, modification, and deletion

Which of the following statements about MME load re-balancing is TRUE?

• A.MME is configured to offload some registered UEs to another MME in a different MME pool area.
• B.Affected UEs are signaled to release their S1 and RRC connections.
• C.eNodeB selects an MME with the lowest order value in the DNS NAPTR record.
• D.eNodeB selects an MME according to weight factors received from the MMEs in its serving pool.