[5 Marks] c) Consider the following scenario of an organisation consisting of multiple subnets. Each user on each subnet has a unique IP address and an adapter. Explain how a user on one subnet sends a network-layer datagram to a host across a router onto another subnet? [5 Marks] c) Consider the following scenario of an organisation consisting of multiple subnets. Each user on each subnet has a unique IP address and an adapter. Explain how a user on one subnet sends a network-layer datagram to a host across a router onto another subnet