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Cisco 642-681 : Advanced Wireless LAN for System Engineers Exam
Exam Code: 642-681
Exam Name: Advanced Wireless LAN for System Engineers Exam
Updated: Jul 21, 2026
Q & A: 93 Questions and Answers
642-681 Free Demo download
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Cisco 642-681 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| WLAN Fundamentals & RF Technologies | 16% | - RF principles, frequency bands & channels - Antenna types & coverage - Regulatory domains - IEEE 802.11 a/b/g/n standards |
| Monitoring & Troubleshooting | 4% | - Controller monitoring tools - RF & performance troubleshooting - Client connectivity issues |
| Cisco Unified Wireless Architecture | 18% | - Lightweight Access Points (LAP) - Wireless LAN Controllers (WLC) - Control and Provisioning of Wireless Access Points (CAPWAP) - Split-MAC architecture |
| WLAN Security | 16% | - Authentication methods (802.1X, PSK) - RADIUS integration - Security best practices - Encryption (WPA2, WEP, TKIP/AES) |
| Mobility & Roaming | 12% | - Fast Secure Roaming - Layer 2 & Layer 3 roaming - Mobility groups & domains |
| WLAN Configuration & Deployment | 17% | - WLC initial setup & management - AP registration & group management - SSID & VLAN mapping - Guest access configuration |
| WLAN Design & Site Survey | 17% | - Channel & power assignment - Coverage vs capacity planning - Site survey methodology - Interference analysis |
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