Les objectifs de l'examen Wireless LAN for Field Engineers 642-582 sont clairement définis. On trouvera ci-dessous des recommandations essentielles suivies des objectifs atteints par le cours et puis par les objectifs non couverts avec des références.

Recommandations

Dans la préparation à l'examen, on sera attentif :

1. aux  standards (802.11, 802.1x) et la distinction des protocoles ou de solutions propriétaires;
2. aux acronymes, à leur signification et à leur mode opératoire;
3. aux solutions standardisées et propriétaires de sécurité;
4. aux solutions logicielles de configuration (WEB, CLI), de  pilotes (Aironet client) ou de sécurité (WLSE).

Fundamentals of Wireless LANs

Comparativement aux objectifs de la certification, le cours d'académie reprend les éléments suivants de manière non exhaustive.

Technologies radio

standards 802.11, réglementations, performance de couverture et de transmission, bruit

Concepts sur les antennes

Mathématique RF, unités de mesure, EIRP, pertes, catégories d'antennes, EIRP, site surveys

Topologies WLAN

Descriptions des composants, des topologies, du matériel propriétaire, des APs-NIC-WGB, gestion des canaux, les rapports 802.11b/802.11g, usages particuliers repeaters et hot-standby

Bridges Wireless

Catégories, usages, topologies, configuration, optimisation distance/débit, modes

Access Point

Catégories et configurations basiques en CLI et en interfaces WEB

Les utilitaires et pilotes des clients Aironet

indications des diodes, configuration

Site Survey

Particularités matérielles, méthodes

Matière non couverte

Wireless LAN Topologies

• Identify the solution SWAN (Structured Wireless Aware Network) [14,15,16]
  

Security

• List the benefits of server-based security [1,2]
• Configure basic EAP settings [9,5,7]
• Explain how 802.11 and 802.1X can provide better security for a WLAN [1,2]
• Explain how to configure a WLAN to provide the same levels of security that a wired LAN would provide [1-18]
• Explain what WiFi Protected Access is and how it enhances WLAN security [3]
• Configure an access point and wireless client to use security measures [4-10]
• Configure Cisco ACS for use with Cisco Aironet products [7]

Wireless LAN Management

• Identify and describe the tools available for managing Cisco Wireless LANs including individual AP tools and managing APs collectively with the Cisco Wireless LAN Solution Engine (WLSE) [14-18]
• Communicate the Structured Wireless Aware Network (SWAN) Architecture relative to the components and wireless LAN management and explain Radio Management [14]
• Explain the need for Fast Roaming, detail the steps involved in a Layer 2 roam and explain the steps involved in Fast Roaming [11-13]

Access Point and Bridge Basic Configuration

• Detail the steps involved with the configuration of SWAN in a WLAN [14-15]
• Configure Fast Roaming[11-13]

Site Survey

• Identify how to utilize the AirMagnet Site Survey Tool [20]
• Identify how to utilize the WLSE Assisted Site Survey Tool [19]

Références

Sécurité

• [1] SAFE: Wireless LAN Security in Depth - version 2
• [2] SAFE: Wireless LAN Security in Depth - version 2 (french version)
• [3] Wi-Fi Protected Access, WPA2 and IEEE 802.11I
• [4] Configuring Cipher Suites and WEP
• [5] Configuring Authentication Types
• [6] Configuring RADIUS and TACACS+ Servers
• [7] EAP Authentication with RADIUS Server
• [8] LEAP Authentication with Local RADIUS Server
• [9] Setting Network Security Parameters on Cisco Aironet Wireless LAN Client Adapters
  
• [10] Using EAP Authentication Cisco Aironet Wireless LAN Client Adapters
  

Wireless Domain Services (WDS)

• [11] Configuring WDS, Fast Secure Roaming, and Radio Management
• [12] Configuring an Access Point as a Local Authenticator
• [13] Wireless Domain Services Configuration

Structured Wireless-Aware Network (SWAN)

• [14] Cisco Structured Wireless-Aware Network (SWAN) Brochure
• [15] Cisco Structured Wireless-Aware Network Q&A
• [16] Livre blanc - Architecture Cisco SWAN (French version)
• [17] CiscoWorks Wireless Lan Solution Engine (WLSE)
• [18] Cisco Catalyst 6500 Series Wireless LAN Services Module: White Paper
• [19] Using the Assisted Site Survey Wizard for WLSE

Autres

• [20] AirMagnet Surveyor Home Page