A user enters ptp clock boundary domain 0 in a Cisco ASR 901 router from the global config
prompt and it fails. According to Cisco best practices, what is the cause?
A.
Domain 0 is reserved and cannot be used for a boundary clock.
B.
The command syntax is incorrect for a Cisco ASR 901.
C.
The Cisco ASR 901 cannot act as boundary clock.
D.
The ASR 901 is missing the required feature license.