Cisco 642-577 : Wireless LAN Wireless LAN for System Engineers (WLANSE)

642-577 real exams

Exam Code: 642-577

Exam Name: Wireless LAN Wireless LAN for System Engineers (WLANSE)

Updated: Sep 11, 2026

Q & A: 110 Questions and Answers

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Cisco 642-577 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: WLAN Management and Troubleshooting15%- Firmware updates and software maintenance
- Common connectivity and performance issues
- Wireless network monitoring tools
- Controller and AP configuration verification
Topic 2: WLAN Architecture and Topologies25%- Wireless bridges and point-to-point links
- WLAN service sets: BSS, ESS, IBSS
- Autonomous vs lightweight AP deployment
- Wireless controllers and mobility groups
Topic 3: WLAN Security15%- Guest access and segmentation
- Rogue AP detection and mitigation
- Authentication methods: WEP, WPA, WPA2, 802.1X
- Encryption and key management
Topic 4: WLAN Design and Site Survey25%- Coverage planning and capacity design
- Site survey methodology and tools
- Channel planning and interference mitigation
- High availability and redundancy design
Topic 5: Radio Frequency and 802.11 Standards20%- Regulatory domains and frequency bands
- Antenna types, gain, and propagation
- IEEE 802.11 a/b/g/n standards
- RF fundamentals and characteristics

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