Prepare with Cisco 642-742 exam torrent, pass for sure
Updated: Sep 10, 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 |
| Real Exam Qty: | 188 |
| Available Languages: | English |
| Related Certifications: | CCNP Wireless |
| Exam Format: | Multiple choice |
| 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 |
|---|---|
| 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 |
| 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 |
| Preparing for High-Bandwidth Wireless Applications | - Bandwidth planning for wireless networks - Support for video and latency-sensitive applications |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
IGMP snooping has been enabled on a Cisco WLC v7.0, along with any other configurations that are required for wireless multicast. After a wireless client has joined a multicast group, which IP address is listed by the router as the source reporter for that multicast group?
- A. last wireless client to join
- B. Cisco WLC AP management interface address
- C. Cisco WLC virtual interface address
- D. Cisco WLC management interface address
- E. first wireless client to join
- F. Cisco WLC dynamic interface address
Correct Answer: F 🗳️
Which two critical requirements must be addressed in the RF site survey for wireless video
surveillance? (Choose two.)
- A. jitter
- B. channel selection
- C. bandwidth
- D. packet loss
- E. WLC configuration
Correct Answer: A,D 🗳️
A client is WME capable and configured for AC_VOICE, but the QoS Priority of 6 is missing when analyzing an 802.11 frame. What three issues need to be investigated? (Choose three.)
- A. WMM IE present in association response
- B. WLAN is WMM enabled
- C. WMM IE present in beacons
- D. DTIM is set to 10
- E. WMM IE present in association requests
- F. WLAN is configured for Platinum QoS
Correct Answer: A,B,C 🗳️
Wireless phones at a customer's site often experience a fast busy signal when trying to initiate calls. What two actions address this issue? (Choose two.)
- A. increase cell size
- B. increase CAC Reserved Bandwidth
- C. increase CAC Max Bandwidth
- D. decrease cell size
- E. decrease CAC Max Bandwidth
Correct Answer: C,D 🗳️
You have recently enabled multicast on your WLAN. When users join the multicast sessions, you see the traffic utilization on all the APs that are controlled by the Cisco WLC v7.0 increase, which includes those APs where there are no multicast clients.
Which configuration parameter needs to be verified to prevent APs with no subscribed multicast clients from receiving traffic?
- A. The router interface that services the multicast needs to be configured for the sparse-dense multicast mode of operation.
- B. APs are not configured for IGMP snooping.
- C. Switches between the Cisco WLC and APs are not configured for IGMP snooping.
- D. The Cisco WLC is not configured for IGMP snooping.
- E. This is normal operation and cannot be changed.
Correct Answer: D 🗳️
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