Reflective Journal Week 1

This was the first lesson of the second semester and the start of "Network Installation" with Steven. I found this to be a very informative lecture with a refreshing interactive approach to teaching methods.
The main topics covered were the different layers of the OSI Model.

The levels are as follows and work in either order, depending on whether the user is the sender or receiver of data flow.

Application

Presentation

Session

Transport

Network

Data Link

Physical

We also covered general networking revision including a basic definition of networking and what networks are used for.

A network is bundle of computers and devices connected to each other (nodes).

Some uses for computer networks are as follows.

Security.
Sharing of data.
Communication.
Sharing of peripherals.
Space saving.
Back-ups.
Easy installation of applications to multiple devices.