Block 3 - Building Community in the Classroom. Learning how to work effectively in a team is a vocational skill desired by our students. Many service learning exercises and projects lend themselves to teamwork. If your project includes group work, you should include a component of team building in your plan.
The final edition took twelve more years to develop, culminating in Internet Standard #8 in 1983, three years after the final TCP specification was ratified (STD #7), even though TCP work began later, in 1973. Arguably, Telnet even predates internetworking and the modern IP packet and TCP transport layers.
However, a possible answer is 2 or more, that is the number of LAN interfaces that appears as outgoing interfaces/next-hops. The serial interface is a separate broadcast domain / IP subnet but it is point to point link. Nothing can be said about the remote IP subnets we can guess that IP subnet 192.168.90.0/24 belongs to a LAN interface of another router. This can be counted as the third broadcast domain.