Exam Name: Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0
Certification Provider: Cisco
Corresponding Certification: CCNP Wireless
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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 | - Configure WLAN for voice - Troubleshoot VoWLAN issues |
| 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 |
| Quality of Service (QoS) for Wireless Voice | - Implementing QoS on wireless and wired infrastructure - WLC and controller QoS configuration |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
A small wireless controller-based network is installed and configured inside a corporate building using Cisco 2500 Series controllers and 3500 Series APs using local, monitor, and rogue detector modes. All wireless clients have been working and now require multicast applications. WLC multicast is configured using multicast mode with IP address
239.10.10.10 and other parameters set to default. However, the wireless multicast traffic has limited success and does not work throughout the corporate building. What three actions can help resolve the problems? (Choose three.)
- A. Change all APs to local mode and monitor mode.
- B. Increase the WLC-to-AP multicast QoS marking.
- C. Change all APs to just local and rogue detector modes.
- D. Change WLC from multicast mode to Unicast mode in case of wired multicast infrastructure issues.
- E. Verify router and switch multicast configurations.
- F. Enable WLC IGMP snooping.
- G. Change all APs to local mode.
- H. Verify IP address and port used by the multicast application.
Correct Answer: E,G,H 🗳️
Which two pieces of information from the Cisco WLC v7.0 GUI does Monitor > Clients provide about a VoWLAN client? (Choose two.)
- A. RSSI at current AP
- B. current RF channel
- C. current data rate
- D. current MOS
- E. WMM state
Correct Answer: A,E 🗳️
WLC v7.0 is properly configured for 802.11n and multicast video without the optional VideoStream. Which three of these options describe frames sent from the AP to wireless clients? (Choose three.)
- A. sent at highest mandatory rate
- B. sent as best effort QoS
- C. sent at lowest mandatory rate
- D. sent as gold QoS
- E. sent at client MCS data rate
- F. No ACKs
- G. ACK per frame
Correct Answer: A,B,F 🗳️
A wireless customer has called with a problem regarding voice calls. When a person is put on hold, there is silence and the music on hold does not come across. What is a requirement of music on hold?
- A. There needs to be multicast routing configured network wide from the access point to the wireless controller.
- B. The wireless voice network needs to be configured for a QoS of platinum to permit the multicast traffic.
- C. Multicast routing should be configured at least to the wireless controller and client dynamic interfaces.
- D. The music on hold's multicast address needs to be configured for multicast direct.
Correct Answer: C 🗳️
Refer to the exhibit.
Voice signaling traffic is being sent upstream using a WLAN configured for bronze QoS. Assume that Layer 3 switches between the controller and the AP use the default and recommended CoS-to-DSCP and DSCP-to-CoS maps. What CAPWAP QoS markings are used in the header at location 1?
- A. DSCP AF31 and CoS 3
- B. DSCP AF31
- C. DSCP 46 and CoS 5
- D. DSCP 46
- E. DSCP CS1 and CoS 1
- F. DSCP CS1
- G. CoS 1
- H. CoS 3
Correct Answer: E 🗳️
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