CCNA 200-301 Official Cert Guide Library, 2nd Edition

Chapter 1

Fundamentals of Wireless Networks

This chapter covers the following exam topics:

1.0 Network Fundamentals

1.1 Explain the role and function of network components

1.1.d Access Points

1.11 Describe wireless principles

1.11.a Non-overlapping Wi-Fi Channels

1.11.b SSID

1.11.c RF

Wireless communication usually involves a data exchange between two devices. A wireless LAN goes even further; many devices can participate in sharing the medium for data exchanges. Wireless LANs must transmit a signal over radio frequencies (RF) to move data from one device to another. Transmitters and receivers can be fixed in consistent locations, or they can be mobile and free to move around. This chapter explains the topologies that can be used to control ...