Networks and Network Devices
An internet suite
The physical layer
Network architecture
Network implementation
Metropolitan Area Network (MAN)
Virtual Private Network (VPN)
Local Area Network (LAN)
Wide Area Network (WAN)
Local Area Network (LAN)
Wide Area Network (WAN)
Virtual Private Network (VPN)
Metropolitan Area Network (MAN)
802.11a
802.11b
802.11g
802.11n
802.11a
802.11b
802.11g
802.11n
Physical
Logical
Hybrid
Star
Star
Bus
Ring
Hybrid
256 Kbps
256 Mbps
144 Mbps
144 Kbps
Transmits on every link attached to it
Modulates and demodulates data signals
Uses algorithms to determine optimal path to end destination
Operates on the Network layer of the Open Systems Interconnection (OSI) modelr
Hub
Bridge
Switch
Router
Modulation of Datagram through an internetwork
Layer-1 error determination and correction through an internetwork
Virtual Private Network (VPN) tunnel determination through an internetwork
Transporting information groups (packets) through an internetwork
2
3
4
5
Line encryption
Link encryption
Device encryption
End-to-End encryption
Coaxial cable
Fiber optic cable
Shielded twisted-pair (STP)
Unshielded twisted-pair (UTP)
Twisted pair cable
Fiber optic cable
Coaxial cable
Twinax cable
802.3
802.9
802.11
802.14
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