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Cisco 642-742 Exam Syllabus Topics:

SectionObjectives
Preparing for High-Bandwidth Wireless Applications- Bandwidth planning for wireless networks
- Support for video and latency-sensitive applications
Quality of Service (QoS) for Wireless Voice- WLC and controller QoS configuration
- Implementing QoS on wireless and wired infrastructure
Voice over Wireless LAN (VoWLAN) Fundamentals- Wireless design considerations for voice
- VoWLAN architecture and call flow
VoWLAN Implementation and Troubleshooting- Configure WLAN for voice
- Troubleshoot VoWLAN issues
Multicast over Wireless- Multicast concepts and implications for wireless
- Configure and troubleshoot multicast over wireless

Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:

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. 60 feet
  • B. 100 feet
  • C. 90 feet
  • D. 80 feet
  • E. 70 feet
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Refer to the exhibit.

A customer is looking to deploy local radius authentication on their WLAN controller. After configuration has been completed, the administrator found that computers could authenticate; however, the VoIP phones could not. What is the problem given the output?

  • A. The EAP Broadcast Key interval is set to 1 hour however should be 8 hours.
  • B. EAPOL-Key Max Retries should be set to 12 to ensure the wireless phone can authenticate.
  • C. The EAP request-timeout is too short for the wireless phone to process the PAC from the WLAN controller.
  • D. EAPOL-Key timeout should be set to at least 20,000 Milliseconds to allow the PAC to be processed.
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

DRAG DROP

Reveal Solution  Discussion  0

Correct Answer:

Controllers in a mobility group must all have which of these characteristics in common?

  • A. mobility domain name, version of controller code, Control and Provisioning of Wireless Access Points mode, ACLs, and WLANs (SSIDs)
  • B. mobility domain name, version of controller code, and Control and Provisioning of Wireless Access Points mode
  • C. mobility group name, version of controller code, Control and Provisioning of Wireless Access Points mode, ACLs, and WLANs (SSIDs)
  • D. mobility group name, version of controller code, and Control and Provisioning of Wireless Access Points mode
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

Assuming 30% total overhead and no other clients on an AP, how many single stream 802.11n 2.4GHz IP cameras that output a 6 Mbps video feed could one 802.11n AP support?

  • A. 8 cameras
  • B. 16 cameras
  • C. 4 cameras
  • D. 12 cameras
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

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