You should be able to…

  • Explain the advantages of networking stand-alone computers into a local area network

-Can share files/can work collaboratively on same files

-Can share hardware resources

-Can access files from multiple computers

-Can instant message other computers on the network

-Centralised deployment of software to all computers

  • Describe the hardware needed to connect stand-alone computers into a local area network including hub/switches, wireless access points
  • Explain the different roles of computers in a client-server and a peer-to-peer network
  • Describe using diagrams or otherwise, the ring, bus and star network topologies
  • Describe the differences between a local area network and a wide area network such as the internet
  • Explain the terms IP addressing, MAC addressing, packet and protocols
  • Explain the need for security measures in networks, such as user access levels, suitable passwords and encryption techniques

-Passwords protected user accounts to ensure that only authorised people can access the network

-Network policy restrictions eg students only allowed to log in during school hours, from certain computers ensures that attempts to enter in the system are likely to be genuine

-Different levels of access/each user can only access the files they need prevents accidental damage to files

-Firewall prevent unauthorised access /hacking into the network

  • Describe and justify network policies such as acceptable use, disaster recovery, failover, backup and archiving

TOPIC OVERVIEW (Test your Knowledge)

ADVANTAGES OF NETWORKING

HARDWARE NEEDED

More Information (BBC Bitesize)

NETWORK TOPOLOGIES

Ring Network

Ring Network

Click on the image above to see an Animation

Bus Network

Bus

Click on the image above to see an Animation

Star Network

star network

Click on the image above to see an Animation

More Information (Teach ICT)

More Information (BBC Bitesize)

CLIENT SERVER and PEER-TO-PEER NETWORKS

More Information (BBC Bitesize)

WAN and LAN

More Information (BBC Bitesize)

IP and MAC ADDRESSING, PACKETS and PROTOCOLS

IP Addressing

MAC Addressing

Packets

Protocols

Exam Questions