A.SIB1

B.SIB3

C.MIB

D.SIB2

A.When planning TA, ensure that the paging channel capacity in the paging area is not limited.

B.When planning TA, the regional boundary has the lowest update overhead

C.1 cell can only belong to one TA

D.1 eNB can only belong to 1 TA

A.5

B.12

C.10

D.15

A.In the process of establishing a PDN connection initiated by the UE in addition to the default PDN connection, the MME also needs to acquire the UE context, and also needs to perform authentication operations on the UE.

B.Establish a default PDN connection for the UE during the network attachment process, either through the APN indicated by the UE or through the APN in the UE subscription data.

C.For a UE, all PDN connections connected to the same APN should pass through the same P-GW.

D.If the UE carries the APN in the PDN connection request, the MME also checks the APN according to the subscription data of the UE, and determines whether to allow the APN of the UE to be used.

A.DLD LICENSE

B.ACT LICENSE

C.ULD LICENSE

D.INS LICENSE