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Updated: Sep 02, 2026
No. of Questions: 110 Questions & Answers with Testing Engine
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Cisco 642-577 Exam Overview:
| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Wireless LAN for System Engineers (WLANSE) |
| Exam Number: | 642-577 |
| Exam Format: | Simulation / scenario-based questions, Multiple choice |
| Certificate Validity Period: | 3 years (Cisco certification validity; exam itself is retired) |
| Available Languages: | English |
| Related Certifications: | CCNP Wireless CCNA Wireless |
| Recommended Training: | Cisco Learning Network |
| Exam Registration: | Pearson VUE Cisco Exams Cisco Certification Registration |
| Sample Questions: | Cisco 642-577 Sample Questions |
| Exam Way: | Proctored exam via Pearson VUE testing centers or online proctoring (historically) |
| Pre Condition: | Recommended prior knowledge of CCNA-level networking concepts and basic wireless networking fundamentals. |
| Official Syllabus URL: | https://www.cisco.com |
Cisco 642-577 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Deployment and Troubleshooting | - Troubleshooting connectivity and performance issues - Wireless network deployment best practices |
| Topic 2: Wireless Site Survey and Design | - Site survey methodologies - Coverage planning and capacity design |
| Topic 3: Wireless Security | - WPA/WPA2 authentication mechanisms - 802.1X and RADIUS integration |
| Topic 4: Wireless LAN Fundamentals | - 802.11 standards overview - RF fundamentals and propagation |
| Topic 5: Cisco Wireless LAN Architecture | - Lightweight Access Point protocol (CAPWAP) - Wireless LAN Controllers (WLC) |
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