Take your pick. Win NT Win NT server a,b 3. You just installed a brand new 100mbps 100baseT ethernet network. You come back to work from holiday. Now your network has a severe broadcast storm.
Client computers access a server that performas back-end services.
What provides reliable delivery of packets connection oriented connectionless oriented. Barbara's remote computer can be accessed via dial-up telephone lines. The data link communications protocol used by computer cannot provide automatic IP addressing. You want a data link communcations protocol that can provide secure data delivery and support compression. This device lies in the network layer does broadcast filtering, and allow multiple connection points and the ability to find best route for transport.