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Cisco 642-742 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Implement VoWLAN Features and Security | 25% | - WLAN configuration for voice clients - Power save and U-APSD - Authentication and encryption for voice - Cisco 792x IP phone deployment |
| Implement QoS for Voice and Video | 23% | - CAC and admission control - TSM and performance monitoring - DSCP and CoS marking - WMM and 802.11e QoS |
| Implement Multicast over Wireless | 15% | - Multicast for voice and video - VideoStream and multicast optimization - Multicast modes and challenges |
| Describe and Design Voice over Wireless Architecture | 27% | - 802.11 standards and voice enhancements - VoWLAN fundamentals and requirements - Roaming and mobility protocols - RF design considerations for voice |
| Troubleshoot VoWLAN and High-Bandwidth Applications | 10% | - Roaming and QoS troubleshooting - Common voice issues and diagnostics - RF and coverage problems |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
Which two Cisco components are required to extend an existing VoWLAN to dual-mode wireless phones? (Choose two.)
- A. A RADIUS server for the WLAN
- B. Cisco Unified Mobility Advantage
- C. An LDAP server for the WLAN
- D. Cisco Unified Mobile Communicator
- E. Cisco Unified Communications Manager
- F. Cisco Unified Mobility Advantage client
A customer has upgraded to 802.11n with ClientLink, set to defaults, to improve video performance on legacy clients. They notice that ClientLink is not kicking in for an 802.11a client with 36 Mb data rate and -55db RSSI. What is the problem?
- A. data rate too low
- B. RSSI too high
- C. RSSI too low
- D. data rate too high
A single Layer 2 multicast address can map to how many IPv4 multicast addresses?
- A. 32
- B. 8
- C. 1
- D. 16
- E. 28
- F. 64
When verifying a voice survey with a Cisco 7925G phone in site survey mode, what information can be found in the CU field?
- A. Connected Users
- B. Channel Unavailable
- C. Channel Used
- D. Channel Utilization
- E. CUCM Users
- F. Concurrent Users
A network engineer needs to reconfigure the WLAN settings on a 7925G phone, but the settings menu is locked. What key combo will unlock the menu?
- A. **#
- B. ##*
- C. #*
- D. *#
