4.1 Wireless LAN Concepts (CCNA3: Chapter 4: Wireless LAN)

4.1 Wireless LAN Concepts
Upon completion of this section, you should be able to:
Describe wireless LAN technology and standards.
Describe the components of a wireless LAN infrastructure.
Describe wireless topologies.
4.1 Wireless LAN Concepts
Upon completion of this section, you should be able to:
Describe wireless LAN technology and standards.
Describe the components of a wireless LAN infrastructure.
Describe wireless topologies.

Wireless networks can provide client mobility, the ability to connect from any location and at any time, and the ability to roam while staying connected.
A wireless LAN (WLAN) is a classification of wireless network commonly used in homes, offices, and campus environments.
Although it uses radio frequencies instead of cables, it is commonly implemented in a switched network environment and its frame format is similar to Ethernet.
This chapter:
Describes WLAN technology, components, security, planning, implementation, and troubleshooting.
Discusses the types of network attacks to which wireless networks are particularly susceptible. .