Online IT Essential Course

Objectives
- Describe the structure of a network, including the
devices and media that are necessary for successful
communications.
- Explain the function of protocols in network
communications.
- Explain the advantages of using a layered model to
describe network functionality.
- Describe the role of each layer in two recognized
network models: The TCP/IP model and the OSI
model.
- Describe the importance of addressing and naming
schemes in network communications.