Online Access Free 4A0-M03 Exam Questions

If the selected SGW fails, which SGW/PGW will MME select if 'gateway selection mode 2' is used?

• A.A new SGW first, then select a new PGW that is topologically closest to the newly selected SGW
• B.A new SGW, but new PGW selection is not required
• C.The next topologically closest SGW/PGW pair
• D.A new SGW first, then select a new PGW with the best order and preference values

The DNS NAPTR records shown in the exhibit are returned to the MME during SGW/PGW selection.
If gateway selection mode 1 is used, which SGW/PGW pair is selected by the MME?

• A.sgw01 and pgw02
• B.sgw02 and pgw02
• C.sgw02 and pgw01
• D.sgw01 and pgw01

What information does eNodeB use to ensure MME load balancing during MME selection?

• A.MME capacity value from the UE's subscription data received from the HSS
• B.MME relative capacity value received from each MME in the pool
• C.MME capacity value received from the UE attach request message
• D.MME relative capacity value calculated by each MME based on the current network load

Which of the following statements regarding an EPS dedicated bearer is FALSE?

• A.A dedicated bearer can be either a GBR or non-GBR bearer.
• B.A dedicated bearer remains active as long as the UE is attached to EPS.
• C.A dedicated bearer is any EPS bearer to a PDN that is already connected to the UE.
• D.A dedicated bearer uses the same IP address that was allocated for the associated default bearer.

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

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