Advantages and disadvantages of modern telecommunications?

To beter understand the area computer networks, one should understand the basic broad categories of computer networks and data communication. For example one should be able to define each of the following terms.

The two basic categories of network topologies are:

. Physical Topology

.Logical Tpology

The Basic Topology of Network.

1) Point to Point

2) Bus

3) Star

4) Ring or Circular

5) Mesh

6) Tree

7) Hybrid

8) Daisy

. Advantages of Network

. Disadvantages of Network

. Introduction of Network Types