单项选择题

You are troubleshooting a one-way call problem with a C……

You are troubleshooting a one-way call problem with a Cisco 7920 wireless IP phone on a standaloneWLAN.
What may have caused 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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热门试题

单项选择题You are troubleshooting a problem with a Cisco 7920 wireless IP phone that is causing the phone to drop calls. The problem appears to be a roaming bandwidth issue. In order to verify what kind ofissue it is， you decide to increase the bandwidth reserved for roaming on the WLAN controller to themaximum. What level do you set the bandwidth to？（）

A.5 percent
B.15 percent
C.25 percent
D.35 percent

单项选择题You have very few Cisco 7920 wireless IP phones on your network， but lots of wireless laptops. You want toincrease the bandwidth available for the laptops by decreasing the bandwidth reserved for the Cisco 7920phones. What is the lowest percentage of voice-allocated bandwidth you can select on the WLANcontroller？（）

A.25 percent
B.40 percent
C.55 percent
D.75 percent

单项选择题Bydefault，ontheWLANcontrollerforavoiceapplicationusingCisco7921wirelessIPphones，whatisthepercentageofRFbandwidththatcanbededicatedtothephones？（）

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

单项选择题OnaWLANcontroller，whatisthedefaultroamingbandwidthpercentagereservedforvoice clients？（）

A.6 percent
B.12 percent
C.18 percent
D.24 percent

多项选择题When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones. Which two general control settings should you select？（）

A.Aggressive Load Balancing on
B.Aggressive Load Balancing off
C.Multicast on
D.Multicast off
E.AP Fallback on
F.AP Fallback off