300-120 Questions Prepare with Learning Information! 2026 Regularly updated [Q225-Q243]

Section	Objectives
Topic 1: Advanced WLAN Architecture	– Cisco wireless infrastructure components 1. Wireless LAN Controllers (WLC) 2. Lightweight Access Point deployment models – Mobility and roaming 1. Mobility groups and tunneling 2. Layer 2 and Layer 3 roaming concepts
Topic 2: RF and Wireless Design Principles	– Site survey and WLAN design methodology 1. Capacity and coverage planning 2. Predictive vs active site surveys – RF fundamentals and propagation concepts 1. Signal behavior in indoor and outdoor environments 2. Interference and noise considerations
Topic 3: Security and Guest Access	– Wireless security protocols 1. 802.1X authentication integration 2. WPA2/WPA3 enterprise deployment – Guest access design 1. Segmentation and policy enforcement 2. Guest portals and web authentication
Topic 4: Troubleshooting and Optimization	– Wireless troubleshooting methodologies 1. RF performance diagnostics 2. Client connectivity issues – Performance tuning 1. Controller and AP optimization 2. Coverage and interference mitigation
Topic 5: Performance, QoS, and High-Density Design	– Wireless QoS implementation 1. Traffic classification and prioritization 2. Voice and video optimization – High-density WLAN environments 1. Channel planning and AP density 2. Capacity optimization strategies