Networks, Cables, OSI, and TCP Models
CSMA/CD, Switching, and VLANs
Trunking, DTP, and Inter-VLAN Routing
Router and Switch Security
Network Address Translation
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Next up, the practicalities of using IP addresses – which ones can be used and which ones can’t be used? You know that there has been a huge explosion in the use of computers over the past two decades. A PC used to be a very expensive item which few people could afford; therefore, they
were reserved for use by well-funded companies only.