1. (Modem)

(Modulation) (Modulator) (Demodulation) (Demodulator) 2 Faxmodem

2. (Network Adapter) LAN

PCI LAN BNC , RJ-45 ISA Slot ISA 100 Mbps 10 Mbps

3. (Gateway)

2

4. (Router)

Network (Protocol) ( )

5. (Bridge)

Data Link

6. (repeater)

Physical

8. (HUB)

2 2 100 Mbps 100 Mbps

9.(Switch)

(Ethernet Switch) (Port) (Port) 100 Mbps 5 100 Mbps

https://www.youtube.com/watch?v=XYO2DdcMDwA&t=120s

1. .5/4 23

2. .5/4 36