Answer: True
Explanation:
Yes, the given statement is true that by default kerberos used the UDP (user data-gram protocol) port 88.
Keberos is the UDP protocol and the kerberos client basically send the UDP and the transmission control protocol (TCP) packets to the port 88 and then it receive the response from kerberos server.
It basically use special configuration on the firewall which basically allow the UDP request from the sever of kerberos.
