1.5 - Network, Topologies, Protocols and Layers

1.5 - Network, Topologies, Protocols and Layers

1. Networks

   • a number of computers linked together to allow them to share resources
   • shares hardware, software and data
   • Mesh Network
     • When the workstations or other devices are connected directly to each of.
   • Star Network
     • each device is connected by an single cable to the server. They're usually the layout of choice in schools and offices because they usually are the most reliable.

2. Ethernet

   • stable connection, more security less risk of being hacked, normally has good quality signal

3. WIFI

   • Cheap to set up, because of obstructions the signal will be weaker, it is more vulnerable to hacking and the user is not tied down to a certain location

4. Encryption

   • encryption scrambles data with a key code which makes no sense.