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Cisco 642-742 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Troubleshoot VoWLAN and High-Bandwidth Applications | 10% | - Common voice issues and diagnostics - Roaming and QoS troubleshooting - RF and coverage problems |
| Topic 2: Implement Multicast over Wireless | 15% | - VideoStream and multicast optimization - Multicast for voice and video - Multicast modes and challenges |
| Topic 3: Describe and Design Voice over Wireless Architecture | 27% | - Roaming and mobility protocols - VoWLAN fundamentals and requirements - RF design considerations for voice - 802.11 standards and voice enhancements |
| Topic 4: Implement QoS for Voice and Video | 23% | - WMM and 802.11e QoS - TSM and performance monitoring - CAC and admission control - DSCP and CoS marking |
| Topic 5: Implement VoWLAN Features and Security | 25% | - Power save and U-APSD - Authentication and encryption for voice - WLAN configuration for voice clients - Cisco 792x IP phone deployment |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
Which two pieces of information from the Cisco WLC v7.0 GUI does Monitor > Clients provide about a VoWLAN client? (Choose two.)
- A. WMM state
- B. RSSI at current AP
- C. current data rate
- D. current MOS
- E. current RF channel
Correct Answer: A,B 🗳️
A network engineer is configuring CAC on a WLC. If CAC is configured with 85% of the total radio bandwidth on a 5-GHz radio, how many clients can be accommodated?
- A. 12
- B. 15
- C. 22
- D. 5
Correct Answer: C 🗳️
What is the recommended minimum speed at the edge of the cells in an 802.11g network for a good Cisco VoWLAN deployment?
- A. 36 Mb/s
- B. 54 Mb/s
- C. 12 Mb/s
- D. 18 Mb/s
- E. 11 Mb/s
Correct Answer: C 🗳️
Which two attributes can be enabled for checking by the Voice Audit Tool in Cisco WCS v7.0? (Choose two.)
- A. MOS
- B. DHCP
- C. -67 dBm cell edge
- D. TSM
- E. 25 dB SNR
Correct Answer: B,D 🗳️
A support engineer received a ticket involving issues with voice over wireless. The customer has asked the engineer to verify their wireless deployment for voice utilizing their WCS server. What is a capability of the WCS voice readiness tool?
- A. voice statistics via call re-play
- B. non voice SSID contention graphs
- C. call location tracking
- D. Traffic Stream metric reporting
Correct Answer: D 🗳️
