HUB - Sends packets to all of the connected nodes. It doesn't have any intelligence.
Advantages
Disadvantages
Advantages
- It is very Cheap
- No Set up Required
Disadvantages
- Generates lots of unwanted traffic
- There are many collisions
- Very Inefficient to use
SWITCH - Uses Package Inspection so it knows where to send packets of information.
Advantages
Disadvantages
Advantages
- Very few collisions
- Increased performance/very Efficient
- Uses Packet Inspection
Disadvantages
- Can be Difficult to Set up
ROUTER - This is an Internet Connectivity Device. It connects networks together on the internet and Connects Networks to the Internet.
Intelligence
Intelligence
- Routers broadcast connectivity information to each other
- Can automatically find alternative paths through a network
- Selects the best path for each packet based on its knowledge of the network
NETWORK BRIDGE - Connects two different Connection Networks or Network segments.
REPEATER - An electronic device that extends the range of a signal by receiving and retransmitting signals.
PROXY SERVER - A Server that acts as a intermediary for requests from people wanting resources from other computers. A Firewall can be a part of one.
FILE SERVER - A computer connected to a network that provides a location for shared disk access.
BACKUP SERVER - A Server responsible for backing up different files and data on a network.
PRINT SERVER - A Device that connects printers to computers over a Network.
NETWORK INTERFACE CARD - A Computer Hardware Component that connects different computers to a network.