Exam Name: Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0
Certification Provider: Cisco
Corresponding Certification: CCNP Wireless
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Instant Download 642-742 Exam Dumps : Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0
Updated: Sep 23, 2026
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Cisco 642-742 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Multicast over Wireless | - Configure and troubleshoot multicast over wireless - Multicast concepts and implications for wireless |
| VoWLAN Implementation and Troubleshooting | - Troubleshoot VoWLAN issues - Configure WLAN for voice |
| Quality of Service (QoS) for Wireless Voice | - WLC and controller QoS configuration - Implementing QoS on wireless and wired infrastructure |
| Preparing for High-Bandwidth Wireless Applications | - Bandwidth planning for wireless networks - Support for video and latency-sensitive applications |
| 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:
What is the best practice for configuring data rates for an 802.11a VoWLAN deployment?
- A. Configure a mandatory data rate of 54 Mb/s. Disable data rates below 36 Mb/s and configure all other data rates as supported.
- B. Configure mandatory data rates of 9 and 54 Mb/s. Disable data rates below 6 Mb/s and all other data rates as supported.
- C. Configure a mandatory data rate of 6 Mb/s. Disable data rates below 6 Mb/s and configure all other data rates as supported.
- D. Configure a mandatory data rate of 12 Mb/s. Disable data rates below 12 Mb/s and all other data rates as supported.
Correct Answer: D 🗳️
Which two statements best describe video conferencing? (Choose two.)
- A. Video streams require high-speed compression and decompression.
- B. H.323 codecs are commonly used.
- C. MPEG codecs are commonly used.
- D. Video streams require maximum quality compression and decompression.
Correct Answer: A,B 🗳️
Which mechanism detects if VoWLAN clients are experiencing poor signal-to-noise ratio values and causes the power of APs to increase as needed in order to rectify signal-tonoise issues?
- A. CHD
- B. RSSI
- C. CCA
- D. 802.11h
- E. QBSS
Correct Answer: A 🗳️
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. SSID set to broadcast
- C. CCKM disabled
- D. WPA Enterprise used
- E. SSID set to non-broadcast
- F. WPA2 Enterprise used
Correct Answer: E 🗳️
After debugging a VoWLAN client that is experiencing dropped calls, it has been found that the client is requesting a new DHCP address every time the client roams to a new AP. What should be configured in the WLAN?
- A. Decrease the DHCP allocated lease time to 0.
- B. Select the central DHCP processing option.
- C. Deselect the enable session timeout.
- D. Increase the DHCP allocated lease time for wireless clients.
- E. Deselect the DHCP address assignment required option.
- F. Select the DHCP server override option.
Correct Answer: E 🗳️
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