What will happen if the default gateway address is incorrectly configured on a host?
1.The host cannot communicate with other hosts in the local network.
2. The switch will not forward packets initiated by the host.
3.The host will have to use ARP to determine the correct address of the default gateway.
4.The host cannot communicate with hosts in other networks.
5.A ping from the host to 127.0.0.1 would not be successful.