What network on the router with outgoing interface?

The answer to this is A. The masquerade rule is known to be a type of filtering rule. It is possible that this will be used in order to filter out the details that are not needed in that certain interface. Take note that the datagrams that will be received on this particular interface will be the ones that will be sent to the other interface.

This can be very useful for a lot of programmers so that the details can be configured properly. It is important that people understand how to use this rule as this can be very beneficial to them in the long run.