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Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0: 642-742 Exam
"Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0", also known as 642-742 exam, is a Cisco Certification. With the complete collection of questions and answers, BraindumpsPass has assembled to take you through 190 Q&As to your 642-742 Exam preparation. In the 642-742 exam resources, you will cover every field and category in CCNP Wireless Certification helping to ready you for your successful Cisco Certification.
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- Exam Code: 642-742
- Exam Name: Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0
- Certification Provider: Cisco
- Corresponding Certification: CCNP Wireless
- Updated: Sep 15, 2026
- No. of Questions: 190 Questions & Answers with Testing Engine
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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 |
| 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 |
| VoWLAN Implementation and Troubleshooting | - Troubleshoot VoWLAN issues - Configure WLAN 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:
Which two statements are correct if IGMP snooping is enabled on a Cisco WLC v7.0? (Choose two.)
- A. The router IGMP table is updated with the IP address of the Cisco WLC as the last reporter.
- B. The IGMP packets from the wireless clients are received at the WLC and are used to update the router via a Cisco Group Management Protocol update from the Cisco WLC.
- C. The IGMP packets from the wireless clients are received at the Cisco WLC, which generates a query for the client.
- D. The IGMP packets from the wireless clients are forwarded to the router without modifications.
- E. The router IGMP table is updated with the IP address of the wireless clients as the last reporter.
Correct Answer: A,C 🗳️
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 are elevator shafts.
- D. There is insufficient information about the number of people in the area when the survey is performed.
- E. There are changes in temperature in the indoor environment.
Correct Answer: B,D 🗳️
When setting up a VoWLAN deployment with Nokia E-Series dual-mode phones and Cisco 7925G phones, the engineer notices the Nokia phones work over cellular but fail over WiFi, whereas the Cisco phones work fine. What setting would cause this behavior?
- A. CCKM enabled
- B. WPA2 Enterprise used
- C. SSID set to broadcast
- D. WPA Enterprise used
- E. CCKM disabled
- F. SSID set to non-broadcast
Correct Answer: F 🗳️
You are deploying a combination of Cisco Unified Wireless IP Phones 7921G and 7925G at your branch offices in a centralized call processing environment that requires high availability at branch locations. Which three components need to be verified before the wireless IP phones can be deployed? (Choose three.)
- A. Sufficient IP phone licenses in the Cisco Unified Communications Manager cluster
- B. Branch gateways support MoH
- C. Support for E.164 dialing
- D. Support for local voice mail
- E. Properly configured QoS over the IP WAN links
- F. Sufficient SRST license support at each branch location
- G. Support for single number reach
Correct Answer: A,E,F 🗳️
A customer has deployed an N+N redundant wireless infrastructure. In this deployment, the access points have been salt and peppered between controllers. What configuration would be necessary to cut down on the use of mobility tunnels for voice clients?
- A. media session snooping
- B. re-anchor roamed voice clients
- C. KTS based CAC
- D. mobility anchor
Correct Answer: B 🗳️
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