Network Basics

DEVICES ON A NETWORK 

some of Network Icons 

Network Icons

NETWORK INTERFACE CARD (NIC)

NIC
Network Interface Card (NIC)
Network Interface Card

Network Interface Card (NIC)
Layer 2, Data Link Layer, device
Connects the device (computer) to the LAN
Responsible for the local Layer 2 address (later)
Common Layer 2 NICs:
Ethernet
Token Ring

Common Bandwidth
10 Mbps10/100 Mbps, 10/100/1000 Mbps


Tracing the Physical Connection . NIC (Network Interface Card)

Network Interface Card

Network Interface Card


rj-45

THERNET LOCAL AREA NETWORKS (LANS)


LAN (Local Area Network) - A group of computers and associated devices (printers, etc.) connected through a wired or wireless medium by networking devices (hubs, switches, routers) and administered by a single organization.
LAN devices
- Switches (and hubs)
- Routers
- Multilayer switches

Local Area Network)








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