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Cisco 642-742 : Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0
Exam Code: 642-742
Exam Name: Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0
Updated: Sep 27, 2026
Q & A: 190 Questions and Answers
642-742 Free Demo download
About Cisco 642-742 Exam
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Cisco 642-742 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Preparing for High-Bandwidth Wireless Applications | - Support for video and latency-sensitive applications - Bandwidth planning for wireless networks |
| 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 |
| Quality of Service (QoS) for Wireless Voice | - WLC and controller QoS configuration - Implementing QoS on wireless and wired infrastructure |
| Voice over Wireless LAN (VoWLAN) Fundamentals | - VoWLAN architecture and call flow - Wireless design considerations for voice |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
Question #1
Refer to the exhibit.
Which two statements describe the WLC configuration? (Choose two.)
- A. AP will effectively allow 75% of bandwidth for local new calls.
- B. AP will effectively allow 69% of bandwidth for local new calls.
- C. AP will effectively allow 81% of bandwidth for local new calls.
- D. Priority new calls can be expedited.
- E. Priority roaming calls can be expedited.
Correct Answer: B,D 🗳️
Question #2
Refer to the exhibit.
What two items need to be supported on the VoWLAN phones in order to take full advantage of this WLAN configuration? (Choose two.)
- A. 802.11a
- B. APSD
- C. WMM
- D. 802.11e
- E. SIFS
- F. 802.11r
Correct Answer: C,D 🗳️
Question #3
A network engineer is deploying wireless voice with a 20% overlap at -67dBm. After testing, the cell edge is determined to be 50 feet from the AP. How far away should the next AP be placed?
- A. 70 feet
- B. 80 feet
- C. 100 feet
- D. 90 feet
- E. 60 feet
Correct Answer: D 🗳️
Question #4
Which two multicast modes are valid for use with Ethernet bridging on a mesh AP? (Choose two.)
- A. in
- B. regular
- C. out
- D. bidirectional bridge
- E. mesh bridge in
Correct Answer: A,B 🗳️
Question #5
Which DHCP option is used by Vocera badges to reach a Cisco Unified Communications Manager?
- A. No option is required.
- B. Set the option to 150.
- C. Set the option to 66.
- D. Set the option to 43.
Correct Answer: A 🗳️
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