Which of the following #9 actions to increase paging success rate are correct? (Multiple choice)

Which of the following #9 actions to increase paging success rate are correct? (Multiple choice)
A . The maximum number of MS retransmissions is set to 1
B. The periodic position update time limit is required to be 5-10 minutes shorter than the implicit separation time of the MS C side, and it is generally recommended to set it to 60 minutes
C. Set the number of access allowed reserved blocks to 1
D. RACH minimum access level is set to 5

Answer: BC