WLAN Course Principal Textbook:

Designing and Implementing Wireless LANs (WLANs)


Chapter No. and  Topics Covered

WLAN Course Supplemental Textbook:

CWNA Official Study Guide



Chapter Nos. and  topics covered in addition to those in the left column.

CHAPTER 1  Introduction to WLANs: WLAN applications ( incl. WAP, PAN), WLAN technologies (Bluetooth, HomeRF, IrDA,, 802.11, 802.11b, 802.11a, 802.11g); Advantages/disadvantages of  use of WLAN

CHAPTER 1 Introduction to WLANs: IEEE standards, additional WLAN applications


CHAPTER 6  WLAN organizations and standards

CHAPTER 2  WLAN Fundamentals: signals (NB, spread spectrum WB), coding, modulation, WLAN RF, WLAN RF spectrums,  wave propagation parameters, bandwidth, data rates, channels, FHSS, DSSS. WLAN operational modes (IBSS, BSS, ESS).

CHAPTER 2  RF Fundamentals: gain, losses, reflection, diffraction, scattering, VSWR. Principles of antennas (intended as a review of course prerequisites): LOS (visual vs RF), Fresnel zone, gain, intentional radiator, EIRP, decibel math, dBm, dBi, RF link calculations


CHAPTER 4  WLAN devices: Access Point (AP) modes (repeater, bridge), Wireless Bridge modes(root, non-root, AP, repeater), Wireless Workgroup Bridge mode, Wireless gateway, Wireless network interface card (WNIC).


CHAPTER 5  -- Optional: Hardware review of  antennas, amplifiers, and RF components


CHAPTER 8 Modulation (pages 214 and 215)

CHAPTER 3  802.11 and OSI Model: review of OSI seven layer model. 802.11 Physical layer sub-layers (PLCP, PMD). FHSS specifications and standards, DSSS specifications and standards

CHAPTER 3  Spread Spectrum technology: FHSS, dwell time, hop time, data rates, FCC requirements; DSSS channels, BW, data rates

CHAPTER 4   802.11 MAC Layer: MAC frame formats, CSMA/CD and CSMA/CA, IFS, polling (SIFS, PIFS, DIFS) time slots, PCF, DCF, WLAN frame fragmentation, scanning, association, authentication, roaming, re-association, TIM,  Hidden nodes

CHAPTER 7 Network Architecture: WLAN beaconing, open-system and shared key authentication, authentication protocols (802.1X, EAP), VPN, load balancing, power save polling (PSP)


CHAPTER 8 WLAN frames: (management, control, data), MAC layer WLAN protocols, DRS, inter-frame spacing, RTS/CTS


CHAPTER 5   Building and Securing a WLAN: planning, needs assessment, requirements, documentation, selecting proper WLAN technology for implementation, WLAN design and layout



CHAPTER 6    Cisco hardware WLAN installation: WNIC and drivers, configuration of OS (Windows 98, 2000, XP) network parameters,  AP, and WGB WLAN devices (see additionally the Cisco documentation guides)



CHAPTER 8    Accessing the Cisco Hardware: AP security measures (user rights, scanning, access filters, WEP). WLAN Site Survey: Cisco diagnostics and test settings, Cisco power management


CHAPTER 10   WLAN security: AES, EAP, passive/active attacks, “man-in-the-middle” attack, VPN, 802.1X, cell sizing, DMZ, SSID selection, WEP key management


CHAPTER 11 – Optional.  Site survey


CHAPTER 9   Managing the WLAN (CISCO utilities): SNMP and RMON, Cisco station utilities (statistics and link status meter), AP utilities (Cisco summary status). Upgrading the WLAN: update firmware (AP, WNIC); modify AP RF settings (SSID, data rate, power, fragmentation threshold, RTS)


CHAPTER 10    WLAN settings and WLAN Troubleshooting: Cisco Aironet settings, ethernet parameters (ethernet hardware and advanced settings), forwarding states. WLAN troubleshooting scenarios (operation, installation, configuration).

CHAPTER 9    WLAN Troubleshooting: RF interference, RF LOS, effects of weather on outdoor links, lightning effects and grounding, range, co-location and co-channel interference.