A.The next topologically closest SGW/PGW pair

B.A new SGW, but new PGW selection is not required

C.A new SGW first, then select a new PGW with the best order and preference values

D.A new SGW first, then select a new PGW that is topologically closest to the newly selected SGW

A.Details about each log can be displayed using the verbose (-v) flag.

B.Different log files are generated automatically in the system.

C.Log files can be retrieved under the "/data-logs" folder.

D.Logs are generated based on log events.

A.Attach Request / Attach Accept

B.Create Bearer Request / Create Bearer Response

C.Session Management Request / Session Management Response

D.RA-Request / RA-Answer

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

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

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

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

A.E-UTRAN and MME are shared

B.Only E-UTRAN is shared

C.Only MME is shared

D.MME and PGW are shared