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 17, 2026

Q & A: 93 Questions and Answers

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Cisco 642-681 Exam Syllabus Topics:

SectionObjectives
Topic 1: Monitoring and Troubleshooting- Operations
  • 1. Performance monitoring
  • 2. Wireless diagnostics and maintenance
  • 3. Client troubleshooting
Topic 2: Wireless LAN Design- Network Planning
  • 1. Coverage and capacity planning
  • 2. Site survey concepts
  • 3. Channel and power planning
Topic 3: Deployment and Configuration- Implementation
  • 1. Access point deployment
  • 2. Controller configuration
  • 3. WLAN and SSID configuration
Topic 4: Wireless Security- Security Technologies
  • 1. Encryption mechanisms
  • 2. Authentication methods
  • 3. Guest access solutions
Topic 5: Wireless LAN Fundamentals- IEEE 802.11 Standards
  • 1. Frequency bands and channels
  • 2. RF fundamentals
  • 3. Wireless technologies and terminology
Topic 6: Wireless Mobility and Roaming- Mobility Features
  • 1. Layer 2 and Layer 3 roaming
  • 2. Mobility groups
  • 3. Client connectivity optimization
Topic 7: Cisco Unified Wireless Architecture- Wireless Infrastructure
  • 1. Control and data plane operation
  • 2. Lightweight Access Points
  • 3. Wireless LAN Controllers

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