If both the destination network and the destination host are correct, but the IP packet is carrying TCP packets, and the destination host is using UDP protocol. Then, what type of ICMP packet will the destination host sends to the source host after dropping the packet
A、Network is unreachable;
B、Host is unreachable;
C、The protocol is unreachable;
D、The port is unreachable
发布时间：2025-08-21 17:31:58
