1.5 Network, Topologies, Protocols

1.5 Network, Topologies, Protocols

1. Network

   • a computer network is a number of computers linked together to allow them to share resources

2. A mesh network is ...

   • where some or all of the workstations or other devices are connected directly to each other

3. A star network is ...

   • in a star network each device is connected by an individual cable directly to the server
     • star networks are usually the layout of choice in schools and offices as they tend to be the most reliable

4. WIFI - is wireless frequency

   • radio waves are used to transmit data packets without any need for wires

5. A mesh network is .......

   • where some or all workstations are connected to each other.

6. A star network is ......

   • each device is connected by an individual cable directly to the server star networks are usually the layout of choice in schools and offices

7. WIFI - is wireless Frequency

   • Radio waves are used to transmit Data packets with no need for wires
     • this method is slower and vulnerable to attacks however removes the need for cabling
       • can be set up in remote locations i.e. Parks or fields

8. Encryption

   • Encryption is a way of scrambling data with a key code which makes no sense
     • Encryption is used to intercept data or stop someone from joining an open WIFI