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Cisco 642-742 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Quality of Service (QoS) for Wireless Voice | - Implementing QoS on wireless and wired infrastructure - WLC and controller QoS configuration |
| Multicast over Wireless | - Multicast concepts and implications for wireless - Configure and troubleshoot multicast over wireless |
| 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 |
| Voice over Wireless LAN (VoWLAN) Fundamentals | - VoWLAN architecture and call flow - Wireless design considerations for voice |
Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
Question 1
A customer is deploying a few remote sites and has decided to use FlexConnect mode for the wireless access points. The customer needs to have seamless roaming for the voice clients at these sites. What two configurations need to be implemented to guarantee roaming? (Choose two)
A. CCKM
B. FlexConnect Groups
C. OKC/PKC
D. 802.11r
E. centrally switched SSIDs
Question 2
Which two configurations can resolve one-way audio in WLANs? (Choose two.)
A. maximum transmit power
B. TPC on AP
C. DTPC
D. admission control
E. Platinum QoS in the WLAN
Question 3
Refer to the exhibit.
Which two statements describe information that you can derive from the WCS v7.0 output from the Monitor Client Detail? (Choose two.)
A. Comparing the RSSI and SNR can provide specific information on QoS performance in the VoWLAN.
B. Comparing the RSSI and SNR can provide specific information on the relative distance of the client from the AP during a call.
C. Comparing the information to the location of the client can provide the first hint of voice-related issues.
D. Comparing the RSSI and SNR can provide specific information on where the client has roamed and if there is a problem with one or more AP configurations.
E. If the parameters are consistently good, then voice-related issues being reported by users are probably not related to RF parameters.
Question 4
When a VoWLAN client is in the range of two cells, which two statements describe how the client makes a decision about which cell is the best to associate with? (Choose two.)
A. The client will associate with the cell broadcasting the highest TSPEC value.
B. The client will associate with the cell broadcasting the lowest mandatory date rate.
C. The client will associate with the cell broadcasting the highest data rate.
D. The client will associate with the cell broadcasting the highest 802.11e value.
E. The client will associate with the cell with the lowest SNR value.
F. The client will associate with the first cell that advertises U-APSD.
G. The client will associate with the cell with the highest RSSI value.
Question 5
A network engineer is limiting the number of voice calls on an AP. Which technology should be used?
A. RTP
B. CAC
C. SCCP
D. SIP
Solutions:
| Question 1 Answer: A,B | Question 2 Answer: B,C | Question 3 Answer: C,E | Question 4 Answer: E,G | Question 5 Answer: B |
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