Question

diagram of the network including attached system and devices

Answer 1

you can see this on the link given below 

https://www.google.co.in/imgres?imgurl=http%3A%2F%2Fcdn.ttgtmedia.com%2Frms%2FonlineImages%2Fnetwork....

                                                or 

https://www.google.co.in/imgres?imgurl=http%3A%2F%2Fwww.wifihifis.co.uk%2Fimages%2Fnetwork-attached-...