The new TN55ND2 board of the OSN8800 equipment was found to be unable to go online. Which of the following reasons are impossible?

The new TN55ND2 board of the OSN8800 equipment was found to be unable to go online. Which of the following reasons are impossible?
A . The master controller has a SWDL AUTOMATCH_INH alarm
B . The master controller has a SWDL_PKG_NOBDSOFT alarm
C . The master controller has a SWDL CHGMNG_NOMATCH alarm
D . The master controller has a SWDL_BD WEAKMATCH alarm

Answer: D