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Even though each local-area network is
unique, there are many design aspects that are common to all
LANs. For example, most LANs follow the same standards and the
same components.
This module presents information on elements of Ethernet LANs and
common LAN devices.
There are several wide-area network (WAN) connections available today. They range
from dial-up to broadband access, and differ in bandwidth, cost,
and required equipment. This module presents information on the
various types of WAN connections.
Students completing this module
should be able to:
- Identify characteristics of
Ethernet networks.
- Identify straight-through,
crossover, and rollover cables.
- Describe the function,
advantages, and disadvantages of repeaters, hubs, bridges,
switches, and wireless network components.
- Describe the function of
peer-to-peer networks.
- Describe the function,
advantages, and disadvantages of client-server networks.
- Describe and differentiate
between serial, Integrated Services Digital Network (ISDN),
digital subscriber line (DSL), and cable modem WAN connections.
- Identify router serial ports,
cables, and connectors.
- Identify and describe the
placement of equipment used in various WAN configurations.
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