Exam Code: 640-721
Exam Name: Implementing Cisco Unified Wireless Networking Essentials (IUWNE)
Certification Provider: Cisco
Corresponding Certification: CCNA

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Updated: Sep 07, 2026

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Cisco 640-721 Exam Overview:

Certification Vendor:	Cisco
Exam Name:	Implementing Cisco Unified Wireless Networking Essentials (IUWNE)
Exam Number:	640-721
Certificate Validity Period:	3 years
Exam Format:	Multiple Choice, Drag and Drop, Simulations
Exam Duration:	90 minutes
Related Certifications:	CCNA Wireless
Real Exam Qty:	55-65
Exam Price:	Approx. $250 USD
Passing Score:	Not publicly disclosed
Available Languages:	Russian, Korean, English, Simplified Chinese, Spanish, French, Japanese, Portuguese
Recommended Training:	Cisco IUWNE Official Course
Exam Registration:	Pearson VUE Registration
Sample Questions:	Cisco 640-721 Sample Questions
Exam Way:	Delivered at Pearson VUE authorized test centers; closed-book
Pre Condition:	Valid CCNA certification or equivalent knowledge; ICND1/ICND2 recommended
Official Syllabus URL:	https://www.cisco.com/c/en/us/training-events/training-certifications/exams/current-list/640-721.html

Cisco 640-721 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: WLAN Maintenance and Troubleshooting	12%	- Configuration backup and recovery - RF interference and coverage problems - Controller and AP connectivity issues
Topic 2: WLAN Fundamentals	20%	- Wireless standards and regulatory bodies - RF principles and antenna concepts - Spread spectrum technology - 802.11 topologies and architecture
Topic 3: Install Wireless Clients	15%	- Roaming behavior - Wireless client software configuration - Client connection and association process
Topic 4: Install a Basic Cisco Wireless LAN	17%	- Wireless LAN Controller (WLC) configuration - Lightweight and Autonomous AP deployment - Cisco Unified Wireless Network components
Topic 5: Implement Basic WLAN Security	19%	- Encryption: WPA, WPA2, TKIP, AES - Security policies and management - Authentication methods: PSK, 802.1X, EAP types
Topic 6: Operate Basic WCS	17%	- Map creation and AP placement - Monitoring and reporting - Wireless Control System navigation

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