שאלה | When processing outgoing datagrams, what does the NAT router do to the source IP address and port number?

When processing outgoing datagrams, what does the NAT router do to the source IP address and port number?

		The NAT router replaces the source IP address and port number with the NAT IP address and a new port number.
		The NAT router leaves the source IP address and port number unchanged.
		The NAT router replaces the source IP address with the NAT IP address, but keeps the original port number.
		The NAT router replaces the source port number with a new port number, but leaves the IP address unchanged.