Which result is most likely if a network packet has no header?
the router would have no destination for the payload.
the packet would go to multiple clients in the network.
the router would be unable to determine when the data packet was complete.
the client would get the packet with the data missing.

If a network packet has no header it is most likely that the router would have no destination for the payload. The header of the IP packet contains all the necessary information to deliver the packet, including source IP address, destination IP address,  length of the packet, version of IP protocol

So, if the router does not have this information it would not know where to deliver the packet. Correct A