For the single-station verification link, if the UE can access the network but cannot switch, which of the following steps can be taken to troubleshoot the cause? (Multiple choice)
A . Check if the wireless signal is good, whether the RSRP and SINR values are too small, such as the reference value (RSRP > -90dBm, SINR > 5dB)
B . Check if the attachment is normal
C . Check if the switching threshold is correct
D . Check if the neighboring area is configured
Answer: CD