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Cisco 642-742 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Multicast over Wireless | - Multicast concepts and implications for wireless - Configure and troubleshoot multicast over wireless |
| Voice over Wireless LAN (VoWLAN) Fundamentals | - Wireless design considerations for voice - VoWLAN architecture and call flow |
| Preparing for High-Bandwidth Wireless Applications | - Bandwidth planning for wireless networks - Support for video and latency-sensitive applications |
| VoWLAN Implementation and Troubleshooting | - Configure WLAN for voice - Troubleshoot VoWLAN issues |
| 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:
After implementing mesh with an IP surveillance camera connected to the LAN port on a RAP, the engineer notices that QoS is not being marked. In this setup, what device is responsible for marking upstream traffic from the camera?
- A. Wireless Controller
- B. RAP
- C. First-Hop Router
- D. MAP
- E. IP Camera
Correct Answer: E π³οΈ
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. Cisco WLC management interface address
- B. first wireless client to join
- C. Cisco WLC virtual interface address
- D. Cisco WLC AP management interface address
- E. Cisco WLC dynamic interface address
- F. last wireless client to join
Correct Answer: E π³οΈ
An engineer is designing a wireless infrastructure to support secured wireless access for Cisco 7925 series phones. What 802.1X authentication protocol would create the least overhead for authentication, while also securely transporting credentials?
- A. EAP-MSCHAPv2
- B. PEAP-EAP-TLS
- C. EAP-FAST
- D. PEAP-EAP-GTC
- E. EAP-TLS
- F. PEAP-EAP-MSCHAPv2
Correct Answer: C π³οΈ
A network engineer is deploying wireless voice with a 20% overlap at -67dBm. After testing, the cell edge is determined to be 50 feet from the AP. How far away should the next AP be placed?
- A. 90 feet
- B. 100 feet
- C. 60 feet
- D. 80 feet
- E. 70 feet
Correct Answer: A π³οΈ
When reviewing a design for a voice over wireless deployment, what per-call bandwidth cost should be factored in when determining maximum calls per cell using SIP and G.711u as the codec?
- A. 8 bytes
- B. 64 bytes
- C. 80 bytes
- D. 10 bytes
Correct Answer: C π³οΈ
