-What is a LAN?
–A collection
of computers, printers, modems, and other
Devices that can communicate with each other in a small area
(< ~ 3000 m or 1000 feet)
-What are the
components?
- Computers, operating system (OS), network interface
Card (NIC), and
hubs
-How is a LAN controlled?
Protocols—Formal
descriptions of sets of rules and
Conventions that
govern how devices on a network exchange
Information.
Standards—Sets of rules or procedures that are
either
Widely used or
officially specified
- LANs are designed to:
- Operate
within a limited geographic area
- Allow
multi-access to high-bandwidth media
- Control the network privately under local
administration
– Provide full-time connectivity to local services
– Connect physically adjacent devices
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