Define the term “computer network.” Define the term “network topology,” and identify three common network topologies in use today. What is meant by client/server architecture? Describe how this...

Define the term “computer network.” Define the term “network topology,” and identify three common network topologies in use today. What is meant by client/server architecture? Describe how this architecture works. Define the term “channel bandwidth.” Why is this an important characteristic of a communication channel?