Melinda and her friends set up a peer-to-peer network between their computers to share data.
(a) Describe the key features of a peer-to-peer network.
(b) Describe two drawbacks to Melinda and her friends of using a peer-to-peer network.
(c)(i) Melinda connects her laptop to the internet through her router. Tick (✓) one box in each row to identify whether the task is performed by the router or not.
| Task | Performed by router | Not performed by router |
|---|---|---|
| Receives packets from devices | ||
| Finds the IP address of a Uniform Resource Locator (URL) | ||
| Directs each packet to all devices attached to it | ||
| Stores the IP and/or MAC address of all devices attached to it |
(c)(ii) Melinda mainly uses the internet to watch films and play computer games.
Tick (✓) one box to identify whether Melinda should connect to the router using a wired or wireless network and justify your choice.
(d) Melinda sends emails from her webmail account (email account accessed through a website).
Explain whether Melinda is using the internet, or the World Wide Web (WWW), or both.