Which of the following statements about the system message are correct? (Multiple Choice)

Which of the following statements about the system message are correct? (Multiple Choice)
A . UE is in CELL_FACH, and the UTRAN informs the UE to read through the system message update indication.
B. UE uses the neighbor list of system message block 11 for handover and cell reselection.
C. System Information Messages transfer system information blocks on the BCCH, while BCCH can be mapped to BCH and FACH
D. The periodic location update timer T3212 can be obtained from the system message, but the periodic routing area update timer T3312 cannot be obtained from it.
E. PLMN number of the network can be obtained by reading system message block 1 (SIB1).

Answer: ACD