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1. Refer to the exhibit.
A controller has been completely configured to support high definition video over wireless. During the testing phase, a packet capture shows the video-stream traffic on the wire as best effort. What needs to be changed in the configuration to support QoS tags properly?
A) add the line priority queue in
B) add the line mls qos trust cos
C) add the line mls qos trust dscp
D) add the line mls qos trust device wlc
2. When setting up a VoWLAN deployment with Nokia E-Series dual-mode phones and Cisco 7925G phones, the engineer notices the Nokia phones work over cellular but fail over WiFi, whereas the Cisco phones work fine. What setting would cause this behavior?
A) WPA2 Enterprise used
B) WPA Enterprise used
C) CCKM enabled
D) SSID set to broadcast
E) SSID set to non-broadcast
F) CCKM disabled
3. What is the main difference between the Cisco Unified Wireless IP Phone 7921G and the Cisco Unified Wireless IP Phone 7925G?
A) The 7925G is suited for a more rugged environment.
B) 7925G supports WPA2, whereas the 7921G supports only WPA1.
C) The 7925G has support for 802.11n, whereas the 7921G does not.
D) The 7925G supports 802.11a/b/g, whereas the 7921G supports only 802.11b/g.
4. What is the difference between the QoS values on the wired and wireless sides of a WLAN?
A) The wireless side of the network uses WMM, which carries voice in the Platinum queue with a CoS of 6. The wired side of the network uses CoS/DSCP values of 5 and EF.
B) The wireless side of the network uses WMM, which carries voice in the Gold queue with a CoS of 7. The wired side of the network uses CoS/DSCP values of 5 and EF.
C) The wireless side of the network uses WMM, which carries voice in the Gold queue with a CoS of 6. The wired side of the network uses CoS/DSCP values of 5 and EF.
D) The wireless side of the network uses WMM, which carries voice in the Platinum queue with a CoS of 7. The wired side of the network uses CoS/DSCP values of 5 and 40.
5. What is the best practice for configuring data rates for an 802.11b VoWLAN deployment?
A) Configure a mandatory data rate of 6 Mb/s. Disable data rates below 6 Mb/s and configure all other data rates as supported.
B) Configure a mandatory data rate of 12 Mb/s. Disable data rates below 12 Mb/s and all other data rates as supported.
C) Configure a mandatory data rate of 11 Mb/s. Disable data rates below 11 Mb/s and all other data rates as supported.
D) Configure mandatory data rates of 11 and 54 Mb/s. Disable data rates below 6 Mb/s and all other data rates as supported.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: E | Question # 3 Answer: A | Question # 4 Answer: A | Question # 5 Answer: C |
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