Passing Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 actual test, valid 642-742 test braindump

Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 - 642-742

Exam Code: 642-742

Exam Name: Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0

Updated: Oct 10, 2026

Q & A: 190 Questions and Answers

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Cisco 642-742 Exam Syllabus Topics:

SectionObjectives
Topic 1: VoWLAN Implementation and Troubleshooting- Troubleshoot VoWLAN issues
- Configure WLAN for voice
Topic 2: Preparing for High-Bandwidth Wireless Applications- Bandwidth planning for wireless networks
- Support for video and latency-sensitive applications
Topic 3: Voice over Wireless LAN (VoWLAN) Fundamentals- Wireless design considerations for voice
- VoWLAN architecture and call flow
Topic 4: Quality of Service (QoS) for Wireless Voice- WLC and controller QoS configuration
- Implementing QoS on wireless and wired infrastructure
Topic 5: Multicast over Wireless- Multicast concepts and implications for wireless
- Configure and troubleshoot multicast over wireless

Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:

Question #1

Using proper VoWLAN design practice, what would be the Cisco recommended total number of calls for a properly designed 802.11g cell to ensure call quality?

  • A. 14
  • B. 4
  • C. 25
  • D. 27
  • E. 20
  • F. 7
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #2

An engineer has installed a new voice WLAN. Which three configurations would the engineer verify for QoS on the controller? (Choose three.)

  • A. Platinum QoS for the VoWLAN
  • B. client load balancing
  • C. IEEE 802.1X and Cisco Centralized Key Management
  • D. client band select
  • E. DHCP address assignment required
  • F. WMM allowed
Reveal Solution  Discussion  0

Correct Answer: A,C,F  🗳️

Question #3

When Vocera badges communicate from badge to badge, which voice codec is used?

  • A. G.729B
  • B. the Vocera proprietary codec
  • C. G.723
  • D. G.711
  • E. G.729A
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #4

Refer to the exhibit.

An engineer notices VoWLAN calls getting dropped and uses Spectrum Expert to analyze the RF utilization. Based on the Spectrum Expert capture, what two options describe the interferer and how to mitigate it? (Choose two.)

  • A. Disable RRM
  • B. Bluetooth interference
  • C. Disable DFS
  • D. DECT 6.0 Cordless phone interference
  • E. Radar interference
  • F. Disable DCA
  • G. Disable UNII-2 channels
  • H. microwave oven interference
Reveal Solution  Discussion  0

Correct Answer: E,G  🗳️

Question #5

Which two attributes can be enabled for checking by the Voice Audit Tool in Cisco WCS v7.0? (Choose two.)

  • A. -67 dBm cell edge
  • B. MOS
  • C. 25 dB SNR
  • D. DHCP
  • E. TSM
Reveal Solution  Discussion  0

Correct Answer: D,E  🗳️

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