OSI model

Networks

The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a network You must understand this material. I've seen many different videos, these are some of the better videos:

Standards

1. Describe how communication over networks is broken down into different layers.
2. List the stages in the OSI model

a group or system of interconnected people or things.

a group or system of interconnected people or things.

Give a detailed account or picture of a situation, event, pattern or process.

a group or system of interconnected people or things.

Give a sequence of brief answers with no explanation.