A.sgw02 and pgw01

B.sgw01 and pgw01

C.sgw01 and pgw02

D.sgw02 and pgw02

A.MME manages registration, authentication, and mobility for the UE.

B.MME handles setup and management of UE connections to data and voice over LTE.

C.MME routes and forwards user data packets received from eNodeB.

D.MME selects the appropriate SGW and PGW during a UE relocation.

A.The location of an idle UE is known by the network at an eNodeB granularity.

B.All the tracking areas in a TA list are served by the same MME.

C.The location of an active UE is known by the network at a TA list granularity.

D.A tracking area list is a logical set of MMEs.