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1. Describe PSTN, PSDN, ISDN, PBX 2. Describe characteristic, coverage,... LAN, MAN, WAN 3. Draw and Compare TCP/IP with 7 Layers OSI 4. Causes of

1. Describe PSTN, PSDN, ISDN, PBX

2. Describe characteristic, coverage,... LAN, MAN, WAN

3. Draw and Compare TCP/IP with 7 Layers OSI

4. Causes of Transmission Imparement

5. Bridge, Router, Gateway, Firewall

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