© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public ITE PC v4.0 Chapter 1 1 Wireless Technologies Networking for Home and Small Businesses – Chapter 7

ITE PC v4.0 Chapter 1 2 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Objectives  Describe wireless technologies.  Describe the various components and structure of a WLAN  Describe wireless LAN security issues and mitigation strategies  Configure an integrated wireless access point and a wireless client.

ITE PC v4.0 Chapter 1 3 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless Technologies  Describe the various wireless technologies and the devices that use them

ITE PC v4.0 Chapter 1 4 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Infrared & Radio Frequency (RF)

ITE PC v4.0 Chapter 1 5 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless Technologies  Describe the benefits and limitations of wireless

ITE PC v4.0 Chapter 1 6 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless Technologies  Define wireless networks and their boundaries

ITE PC v4.0 Chapter 1 7 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Components and Structure of a WLAN  Identify and describe wireless LAN standards

ITE PC v4.0 Chapter 1 8 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Future of Wireless Technology: Wi Fi Alliance – -Infrastructure -- ad hoc

ITE PC v4.0 Chapter 1 9 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Components and Structure of a WLAN  Identify and describe various wireless LAN components.

ITE PC v4.0 Chapter 1 10 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Components and Structure of a WLAN  Identify and describe various wireless modes and the importance of the SSID IBSS – ad hoc BSS - infrastructure

ITE PC v4.0 Chapter 1 11 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Components and Structure of a WLAN  Describe how wireless channels are used  CSMA/CA: Describe how wireless channels avoid collisions

ITE PC v4.0 Chapter 1 12 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Components and Structure of a WLAN  Configure an integrated wireless access point

ITE PC v4.0 Chapter 1 13 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Components and Structure of a WLAN  Configure a wireless client

ITE PC v4.0 Chapter 1 14 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless LAN Security Issues and Mitigation Strategies  Describe why and how people attack wireless networks

ITE PC v4.0 Chapter 1 15 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless LAN Security Issues and Mitigation Strategies  Limiting access to a WLAN MAC address filtering

ITE PC v4.0 Chapter 1 16 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless LAN Security Issues and Mitigation Strategies  Describe authentication and its purpose

ITE PC v4.0 Chapter 1 17 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless LAN Security Issues and Mitigation Strategies  Describe encryption and its purpose on a wireless network.

ITE PC v4.0 Chapter 1 18 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Wireless LAN Security Issues and Mitigation Strategies  Describe traffic filtering and its purpose

ITE PC v4.0 Chapter 1 19 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Planning the WLAN

ITE PC v4.0 Chapter 1 20 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Planning the WLAN  Plan for a wireless LAN implementation

ITE PC v4.0 Chapter 1 21 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Configure an Integrated Wireless Access Point and Wireless Client  Installing and securing the AP

ITE PC v4.0 Chapter 1 22 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Configure an Integrated Wireless Access Point and Wireless Client  Describe options for backing-up and restoring AP configurations

ITE PC v4.0 Chapter 1 23 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Configure an Integrated Wireless Access Point and Wireless Client  Identify current version of firmware and describe how to update firmware

ITE PC v4.0 Chapter 1 24 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Summary  Wireless technologies use electromagnetic radiation in the form of radio signals to carry information between devices.  Ease and convenience of connecting devices wirelessly creates security concerns that need to be addressed.  Before installing wireless devices, an installation plan should be created which includes strategies for layout and security.

ITE PC v4.0 Chapter 1 25 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Summary Continued…

ITE PC v4.0 Chapter 1 26 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public