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Cisco 642-845 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: QoS Mechanisms & Implementation | 25% | - Link efficiency mechanisms (cRTP, LFI, MLPPP) - AutoQoS configuration and verification - Policing and shaping |
| Topic 2: QoS Concepts and Models | 25% | - QoS models: Best-effort, IntServ, DiffServ - Classification and marking (CoS, ToS, DSCP, IP Precedence) - Congestion management and avoidance (FIFO, PQ, WRR, WFQ, CBWFQ, WRED) |
| Topic 3: VoIP Technologies | 25% | - Bandwidth calculation and packetization - VoIP architecture and components - Delay, jitter, and loss requirements |
| Topic 4: Wireless Networking & Security | 25% | - Wireless security protocols (WEP, WPA, WPA2, EAP) - WLAN QoS and optimization - WLAN fundamentals and management |
