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Updated: Jul 13, 2026
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Cisco 642-742 Exam Overview:
| Certification Vendor: | Cisco |
| Exam Name: | Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 |
| Exam Number: | 642-742 |
| Exam Format: | Multiple choice |
| Real Exam Qty: | 188 |
| Related Certifications: | CCNP Wireless |
| Available Languages: | English |
| Sample Questions: | Cisco 642-742 Sample Questions |
| Exam Way: | Onsite at test center or online proctored |
| Pre Condition: | Recommended: Knowledge of wireless networking (e.g., IUWNE or equivalent) and CCNP Wireless track |
| Official Syllabus URL: | https://www.cisco.com/site/us/en/learn/training-certifications/exams/index.html |
Cisco 642-742 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Preparing for High-Bandwidth Wireless Applications | - Bandwidth planning for wireless networks - Support for video and latency-sensitive applications |
| VoWLAN Implementation and Troubleshooting | - Troubleshoot VoWLAN issues - Configure WLAN for voice |
| Quality of Service (QoS) for Wireless Voice | - Implementing QoS on wireless and wired infrastructure - WLC and controller QoS configuration |
| Voice over Wireless LAN (VoWLAN) Fundamentals | - VoWLAN architecture and call flow - Wireless design considerations for voice |
| Multicast over Wireless | - Configure and troubleshoot multicast over wireless - Multicast concepts and implications for wireless |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
1. The AP has been properly configured for a VoWLAN survey. The RF environment contains a noise of -87 to -90 dBm. What would be the target value for the cell edge reading?
A) -60 dBm
B) -55 dBm
C) -73 dBm
D) -67 dBm
E) -70 dBm
F) -62 dBm
2. What address do PIM routers listen to in order to automatically discover the best RP for each multicast group?
A) 224.0.1.39
B) 224.0.0.14
C) 224.0.0.13
D) 224.0.1.40
3. Which two attributes can be enabled for checking by the Voice Audit Tool in Cisco WCS v7.0? (Choose two.)
A) MOS
B) -67 dBm cell edge
C) TSM
D) 25 dB SNR
E) DHCP
4. A VoWLAN site survey was performed and equipment installed based on recommended design guidelines. Which two statements describe reasons to perform a post-deployment survey? (Choose two.)
A) There is insufficient information by AirMagnet VoFi Analyzer.
B) There are roaming pathways.
C) There is insufficient information about the number of people in the area when the survey is performed.
D) There are elevator shafts.
E) There are changes in temperature in the indoor environment.
5. An engineer is configuring 802.11e to 802.1p markings for QoS on a Cisco WLC. What marking is correct for the AC_VI category?
A) 5
B) 6
C) 4
D) 3
Solutions:
| Question # 1 Answer: F | Question # 2 Answer: D | Question # 3 Answer: C,E | Question # 4 Answer: B,C | Question # 5 Answer: A |
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