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Updated: May 30, 2026
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Cisco Implementing Cisco Unified Wireless Voice Networks (IUWVN) v2.0 Sample Questions:
1. A downstream packet containing a DSCP value arrives at the WLC Ethernet interface from the wired source network. The WLC is configured for QoS WLAN 802.1p mapping. How does the WLC treat the CAPWAP QoS marking when leaving the controller interface for the respective AP and final wireless client destination?
A) The outer CAPWAP CoS is marked and capped while the inner DSCP maintains the original marking.
B) No outer CAPWAP or inner QoS tagging is applied.
C) No outer CAPWAP QoS tag is applied, but the original DSCP is maintained inside CAPWAP.
D) The outer CAPWAP DHCP is marked and capped without any inner DSCP value.
2. What is the best practice for configuring data rates for an 802.11a VoWLAN deployment?
A) Configure a mandatory data rate of 54 Mb/s. Disable data rates below 36 Mb/s and configure all other data rates as supported.
B) Configure a mandatory data rate of 6 Mb/s. Disable data rates below 6 Mb/s and configure all other data rates as supported.
C) Configure a mandatory data rate of 12 Mb/s. Disable data rates below 12 Mb/s and all other data rates as supported.
D) Configure mandatory data rates of 9 and 54 Mb/s. Disable data rates below 6 Mb/s and all other data rates as supported.
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) If the parameters are consistently good, then voice-related issues being reported by users are probably not related to RF parameters.
C) Comparing the RSSI and SNR can provide specific information on the relative distance of the client from the AP during a call.
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) Comparing the information to the location of the client can provide the first hint of voice-related issues.
4. Which statement best describes the ideal VoWLAN design?
A) smaller cells with higher data rates enabled and admission control enabled through WMM
B) smaller cells with all data rates enabled to ensure that all clients can associate
C) larger cells with higher data rates enabled and WPA2 to secure voice conversations
D) smaller cells with higher data rates enabled and no overlap to prevent co-channel interference
5. What is the main difference between the Cisco Unified Wireless IP Phones 7921G and 7925G?
A) The 7925G has support for 802.11n, whereas the 7921G does not.
B) The 7925G supports 802.11a/b/g, whereas the 7921G supports only 802.11b/g.
C) 7925G supports WPA2, whereas the 7921G supports only WPA1.
D) The 7925G is suited for a more rugged environment.
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: C | Question # 3 Answer: B,E | Question # 4 Answer: A | Question # 5 Answer: D |
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