Course Content

• Introduction to Wireless LANs
• Organisations and Vendors
  Standards and Applications
  Radio Frequency (RF) fundamentals
• Spread Spectrum technologies
• Access Points, Service Sets, and the Distribution System
• Wireless Ad Hoc networks
• Antennas and Accessories
• RF Propagation
• Wireless network Organisations and Standards
• 802.11 Network Architecture
• Power management features
• Physical and MAC Layers
• Bandwidth Control, Network
  Management and AAA
• Routers, Gateways, Switches, and Vo
  Wi-Fi
  
• Troubleshooting Wireless LANs
• Wireless LAN Security
• VPN-based security solutions
• RF Site Surveys

Prerequisites

Prior to joining the course, students should have a good understanding of Ethernet LANs and their operation, TCP/IP protocols, IP addressing and practical experience configuring and supporting Microsoft Windows 2000 or Windows XP. We recommend that delegates have knowledge of networking as exhibited in the Net+, CCNA®, CNA, or MCP qualifications.

Certification

On successful completion of the course, delegates will be prepared for the CWNA Certification Exam (Exam #PW0-104), which can be taken at any Prometric Testing Centre.

Course Benefits

The course provides expert guidance on Wireless LAN site survey, installation, configuration, support, security and troubleshooting.

Objectives

On completing this course, you will be able to:

• Understand and apply the essential concepts of Radio Frequency (RF) technology, including RF planning, RF-related calculations and spread spectrum technologies.
  
  
• Understand the fundamental operation of wireless LANs, for effective WLAN
  
  
• Problem analysis and troubleshooting.
  
  
• Describe the rules governing wireless LANs, to comply with local radio regulations for setup and maintenance of WLANs.
  
  
• Correctly install, configure and support wireless NICs, access points, wireless bridges, workgroup bridges, wireless gateways and WLAN antennas from Cisco Systems, Proxim Inc, Orinoco, Colubris Networks and more.
  
  
• Analyse and troubleshoot WLAN problems in-depth, including RF coverage, multipath, hidden nodes and interference problems.
  
  
• Work with sophisticated WLAN diagnostic tools such as AirMagnet and WildPackets AiroPeek NX.
  
  
• Perform a site survey for the installation of WLANs.
  
  
• Understand the insecurities in IEEE 802.11 WLANs.
  
  
• Identify the attacks that can occur from network hackers.
  
  
• Secure the transmission of data over a wireless LAN using WEP and Wi-Fi Protected Access (WPA).
  
  
• Secure wireless LANs using Cisco LEAP, TKIP and MIC.
  
  
• Secure wireless LANs using generic 802.1x/EAP on access points from a range of manufacturers.
  
  
• Secure wireless LANs using VPN tunelling and encryption techniques including PPTP and IPSec.
  
  
• Conduct essential security surveys to assess the presence and vulnerabilities of WLANs.

Audience