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Cisco 642-742 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Multicast over Wireless | - Multicast concepts and implications for wireless - Configure and troubleshoot multicast over wireless |
| Topic 2: Voice over Wireless LAN (VoWLAN) Fundamentals | - VoWLAN architecture and call flow - Wireless design considerations for voice |
| Topic 3: Preparing for High-Bandwidth Wireless Applications | - Bandwidth planning for wireless networks - Support for video and latency-sensitive applications |
| Topic 4: Quality of Service (QoS) for Wireless Voice | - Implementing QoS on wireless and wired infrastructure - WLC and controller QoS configuration |
| Topic 5: VoWLAN Implementation and Troubleshooting | - Configure WLAN for voice - Troubleshoot VoWLAN issues |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
1. After enabling multicast direct on a WLAN set to Gold QoS, an engineer notices clients are not receiving the video correctly. What setting will correct this issue?
A) disable best effort QoS Admission
B) increase RRC Priority of Stream
C) change WLAN QoS to Silver
D) enable best effort QoS Admission
E) change WLAN QoS to Platinum
F) decrease RRC Priority of Stream
2. DRAG DROP
3. A Cisco WLC v7.0 is properly configured for 802.11n and multicasting video without the optional Cisco VideoStream. Which three options best describe the frames that are sent from the AP to the wireless clients? (Choose three.)
A) After startup, throughput can vary over time.
B) After startup, throughput is consistent.
C) retransmission upon failure of delivery
D) no retransmission
E) unicast to subscribed clients
F) multicast to subscribed clients
4. You have two packets with decimal ToS values of 32 and 34. What are their results, respectively, in an IP precedence-only device?
A) Both packets have a decimal value that results in an IP precedence tag of CS4.
B) Both packets have an IP precedence tag of CS4, and the packet with the decimal value of 34 has a higher drop probability.
C) The packet with the decimal value of 32 has an IP precedence tag of CS4, while the other decimal value of 34 is ignored and treated as best effort.
D) The packet with the decimal value of 34 has an IP precedence tag of CS4, while the other decimal value of 32 is ignored and treated as best effort.
5. After debugging a VoWLAN client that is experiencing dropped calls, it has been found that the client is requesting a new DHCP address every time the client roams to a new AP. What should be configured in the WLAN?
A) Select the central DHCP processing option.
B) Deselect the enable session timeout.
C) Deselect the DHCP address assignment required option.
D) Decrease the DHCP allocated lease time to 0.
E) Select the DHCP server override option.
F) Increase the DHCP allocated lease time for wireless clients.
Solutions:
| Question # 1 Answer: D | Question # 2 Answer: Only visible for members | Question # 3 Answer: A,D,F | Question # 4 Answer: A | Question # 5 Answer: C |





