On a WLAN controller，what is the default roaming bandwidth percentage reserved for voice clients？（）

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  A . 55 percent B . 56 percent C . 75 percent D . 85 percent

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• You are troubleshooting a one-way call problem with a cisco 7920 wireless ip phone on a standalone wlan. What may cause this problem？（）

  A . the minimum data rate is not set to 11 mbps. B . an address resolution protocol has been disabled C . publicly secure packet forwarding is enabled D . the access point is set to the least congested channel.

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• Which of the general policies on the WLAN edit page on the WLAN controller would be used when configuring a radio for a single antenna for an outdoor application？（）

  A . 802.11b/g B . radio C . access point D . 802.11a

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• By default，on the wlan controller for a voice application using cisco 7921 wireless ip phones. what is the percentage of rf bandwidth that can be dedicated to the phones？（）

  A . 75 percent B . 85 percent C . 56 percent D . 55 percent

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• You are troubleshooting a one-way call problem with a cisco 7920 wireless ip phone on a standalone wlan. What may have caused this problem？（）

  A . the minimum data rate is not set to 11 mbps. B . publicly secure packet forwarding is enabled. C . the access point is set to the least congested channel. D . an address resolution protocol has been disabled.

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• Which statement describes the WLCv5.2 delivery of a multicast packet from a wired PC source on VLAN_X to a respective wireless client using SSID_X, using a WLAN controller enabled for multicast?（）

  A . A packet is delivered to Cisco WLC and forwarded via multicast to all of its associated APs, and finally to all wireless clients of that Cisco WLC, via wireless multicast. B . A packet is delivered to Cisco WLC and forwarded via unicast to all of its associated APs, and finally to all wireless clients of that Cisco WLC, via wireless unicast. C . A packet is delivered to Cisco WLC and forwarded via multicast to all of its associated APs, discarded at APs without SSID_X joined wireless clients, and forwarded at APs with SSID_X joinedwireless clients via wireless multicast. D . A packet is delivered to Cisco WLC and forwarded via unicast to all of its associated APs, discarded at APs without SSID_X joined wireless clients, and forwarded at APs with SSID_X joined wireless clients via wireless multicast. E . A packet is delivered to Cisco WLC and forwarded via multicast to all of its associated APs, discarded at APs without SSID_X joined wireless clients, and forwarded at APs with SSID_X joinedwireless clients via wireless unicast. F . A packet is delivered to Cisco WLC and forwarded via unicast to all of its associated APs, discarded at APs without SSID_X joined wireless clients, and forwarded at APs with SSID_X joined wireless clients via wireless unicast.

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