Certified Wireless Network Administrator

Description

A hands-on course focusing on the technical support of WiFi. Wireless LANs are often seen as simple communications that are simply installed and then left alone to work. This course ensures that delegates will be able to install WiFi networks which work but also enable the delegates to troubleshoot WiFi when it does go wrong.

What will you learn

CWNA training course details

Technical staff working with WiFi networks.
Anyone wishing to pass the CWNA exam.

Intro to data communications & networking

5 days

History, standards.

What is RF? Wavelength, Frequency, Amplitude,
Phase. Wave behaviour. RF components. Watts,
mW, dB, SNR, Link budgets.
Hands on Spectrum
analysis. Listing WiFi networks. WiFi connection.
inSSIDer.

Radiation envelopes, polar charts, gain, Antenna
types. Line of Sight, MIMO.
Hands on
Connecting, installing, changing antennae. RSSI
values.

802.11-2007, 802.11 post 2007, 802.11 drafts.
802.11 b/g/n.
Hands on WiFi performance
measurement.

RF frequency bands, FHSS, DSSS, OFDM.
Channels.
Hands on Configuring channels.

Mesh, Access points, distribution systems, SSID.

Hands on AP configuration. Client connection
profiles.

CSMA/CA, Management frames, control frames,
data frames. Passive scanning, active scanning.
Open system authentication. Shared Key
authentication. Association. RTS/CTS. Power
management.
Hands on Capturing frames,
analysing frames.

WiFi client, WLAN architecture: Autonomous,
Centralised, distributed. WiFi bridges. WiFi
routers. PoE.
Hands on WLAN controllers.

RF interference, multipath, adjacent channels, low
SNR, mismatched power. Coverage, capacity.

Basics, Legacy security: WEP, MAC filters, SSID
cloaking. PSK, 8021.X/EAP, WPA/WPA2. TKIP/
CCMP encryption. Guest WLANs. Wireless
attacks, intrusion monitoring.
Hands on WEP
cracking, WPA2 configuration. RADIUS.

Protocol and spectrum analysis, coverage
analysis. Site survey tools.
Hands on Performing
a site survey.