Exam Code: 642-587
Exam Name: Advanced Wireless LAN for Field Engineers
Certification Provider: Cisco
Corresponding Certification: Wireless LAN

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Updated: Jul 26, 2026

No. of Questions: 78 Questions & Answers with Testing Engine

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Cisco 642-587 Exam Overview:

Certification Vendor:	Cisco
Exam Name:	Cisco Advanced Wireless LAN for Field Engineers
Exam Number:	642-587
Exam Format:	Multiple choice, Simulation / scenario-based questions
Certificate Validity Period:	3 years (certification validity, historically applied to CCNP-level certifications)
Passing Score:	N/A (Cisco does not publicly disclose passing scores)
Exam Duration:	90 minutes
Related Certifications:	CCNA Wireless Cisco Wireless LAN certification track
Exam Price:	USD 250–300 (historical, retired exam pricing)
Available Languages:	English
Real Exam Qty:	N/A (varies by exam version)
Recommended Training:	Cisco Learning Network
Exam Registration:	Cisco Certification & Training Portal
Sample Questions:	Cisco 642-587 Sample Questions
Exam Way:	Computer-based exam delivered via Pearson VUE testing centers
Pre Condition:	Recommended: CCNA Wireless or equivalent foundational networking knowledge
Official Syllabus URL:	https://www.cisco.com/c/en/us/training-events/training-certifications.html

Cisco 642-587 Exam Syllabus Topics:

Section	Objectives
WLAN RF Fundamentals	- 802.11 standards overview - Radio frequency principles and propagation - Interference and noise considerations
Cisco Wireless Architecture	- Wireless LAN Controllers (WLC) - Lightweight Access Point operation - CAPWAP protocol fundamentals
Wireless Security	- WPA/WPA2 authentication mechanisms - Guest access and segmentation - 802.1X and RADIUS integration
Troubleshooting and Optimization	- Common connectivity issues - Wireless performance analysis - RF tuning and optimization techniques
Wireless LAN Design	- Antenna types and placement - Site surveys and requirements gathering - Coverage and capacity planning

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