An IoT security administrator wishes to mitigate the risk of falling victim to Distributed Denial...

Block all inbound packets with an internal source IP address

Block all inbound packets originating from service ports

Enable unused Transmission Control Protocol (TCP) service ports in order to create a honeypot

Block the use of Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) through his perimeter firewall

Require the use of X.509 digital certificates for all incoming requests