单选题You have a very few Cisco 7920 wireless IP phones on your network， but lots of wireless laptops.You want to increase the bandwidth available for the laptops by decreasing the bandwidth reserved for the Cisco 7920 phones. What is the lowest percentage o

第1题：

You have very few cisco 7920 wireless ip phones on your network， but lots of wireless laptops. You want to increase the bandwidth available for the laptops by decreasing the bandwidth  reserved for the cisco 7920 phones. What is the lowest percentage of voice-allocated bandwidth you can select on the wlan controller？（）

• A、55 percent
• B、75 percent
• C、40 percent
• D、25 percent

第2题：

When configuring a WLAN controller for a voice application using Cisco 7920 wireless IP phones. Whichtwo general control settings should you select？（）

• A、Multicast on
• B、Aggressive Load Balancing off
• C、Multicast off
• D、AP Fallback on
• E、Aggressive Load Balancing on

第3题：

Yours truly， have been called upon to add location-based services into an existing controller-based wireless design which primarily encompasses handheld devices such as barcode scannersand cisco 7920 wireless ip phones. In which mode should you deploy the additional access points to achieve the density required without excessive co-channel interference？（）

• A、tracking mode
• B、monitor mode
• C、location mode
• D、sniffer mode

第4题：

You have very few Cisco 7920 wireless IP phones on your network， but lots of wireless laptops. Youwant to increase the bandwidth available for the laptops by decreasing the bandwidth reserved forthe Cisco 7920 phones. What is the lowest percentage of voice-allocated bandwidth you can select onthe WLAN controller？（）

• A、55 percent
• B、75 percent
• C、40 percent
• D、25 percent

第5题：

Cisco recommends a decibel referenced to 1 milliwatt signal level for the coverage cell edge at thepredetermined data rate that is needed to support the VoWLAN device and call capacityrequirements. What is that signal level value for Cisco Unified Wireless IP Phones 7920， 7921G， and7925G？（）

• A、-65 dBm
• B、-67 dBm
• C、-69 dBm
• D、-70 dBm

第6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

第7题：

By default， on the WLAN controller for a voice application using Cisco 7921 wireless IP phones， what is thepercentage of RF bandwidth that can be dedicated to the phones？（）

• A、55 percent
• B、56 percent
• C、75 percent
• D、85 percent

第8题：

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

• A、5 percent
• B、15 percent
• C、25 percent
• D、35 percent

第9题：

What is the Cisco recommended setting for the Cisco Unified Wireless Network WLC Voice Call Admission Control Max RF Bandwidth to support the Cisco Unified Wireless IP Phone 7921G?（）

• A、nominally 30 percent to best align with Cisco Unified Communications System recommendations
• B、100 percent to ensure that the VoWLAN calls can use all the available bandwidth, if needed
• C、system default of 75 percent
• D、40 to 60 percent
• E、voice CAC should be left disabled unless wired QoS is configured

第10题：

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