1. Networking Revision

2. Advantages:  Communication (remotely)  Sharing hardware (saves on cost, eg. Printers)  Sharing of data and info (eg. Databases of customers, storing and accessing data)  Sharing software (cost, multiuser access of software)  Transferring Funds

3. Disadvantages  User dependence - if file servers develop a fault, users will be unable to access shared resources  Management of the network - the larger the network the more maintenance needed

4. Suggested Hardware required for a network  Workstation/Laptops  Server  Modem (for internet access)  Wireless NIC  NIC  Cables

5.  Switch (each computer has an address. Sends packets to required computer only)  Hub (cheap and simple, but can waste bandwidth, possible security issues)  Router (connects networks together, needed to connect private network to internet provider, access wifi point) What’s the difference??? https://www.youtube.com/watch?v=Ofjsh_E4HFY

6. Suggested small office network setup Internet Modem Router Printer/Scanner Server http://k-12.pisd.edu/currinst/network/if1_3st.pdf

7. Network Topology (this was your homework) The following are types of network topologies of WANs  Star  Bus  Ring  Hybrid