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What call performance statistics are reported on the Cisco Wireless IP Phone 7921 user interface?（）
- A、minimum jitter
- B、maximum jitter
- C、upstream standard packet deviation
- D、average MOS value
- E、average conceal rate
参考答案
更多 “What call performance statistics are reported on the Cisco Wireless IP Phone 7921 user interface?（）A、minimum jitterB、maximum jitterC、upstream standard packet deviationD、average MOS valueE、average conceal rate” 相关考题
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Which wireless LAN statistics are reported from the Cisco Unified Wireless IP Phone 7921G via a directly connected web browser?（）A、duplicate sender packetsB、unicast packet retry rateC、unicast packet retry ratioD、association rejections
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For an active Cisco Unified Wireless IP Phone 7921G 5 GHz site survey， what are the mostappropriate client test settings to use with the AirMagnet site survey tool？（）A、100 mW， 24 Mb/sB、100 mW， 18 Mb/sC、25 mW， 18 Mb/sD、3.2 mW， 54 Mb/s
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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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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 disabledC、publicly secure packet forwarding is enabledD、the access point is set to the least congested channel.
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What is the recommended Cisco DSCP value for a switch or router passing Cisco Unified Wireless IP Phone 7921G RTP packets?（）A、CS3B、CS1C、EFD、5E、6
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What does a Cisco Unified Wireless IP Phone 7921G deployment require（）？A、more access points than a data networkB、fewer access points than a data networkC、less SNR than a data networkD、specific relative access point placement
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Which configuration should be done in order to improve the performance of the Cisco Unified Wireless IP Phone 7921G in a WLAN infrastructure?（）A、enable aggressive load balancingB、enable coverage hole detectionC、disable dynamic transmit power controlD、enable short preamble
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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 dBmB、-67 dBmC、-69 dBmD、-70 dBm
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Which statement describes the call behavior of the Cisco Unified Wireless IP Phone 7921G when it roams from 802.11b to 802.11a?（）A、The phone does a directed call hangup on 802.11b，then does an auto-redial on 802.11a，creating a new call.B、The phone does a directed call hangup on 802.11b， then the user does a redial on 802.11a，creating a new call.C、The phone does a disassociation on 802.11b and an association on 802.11a，and call remains up if the subnet has not changed.D、The phone does not roam from 802.11b to 802.11a when on an active call.E、The phone must switch network profiles to roam from 802.11b to 802.11a.
考题
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 recommendationsB、100 percent to ensure that the VoWLAN calls can use all the available bandwidth, if neededC、system default of 75 percentD、40 to 60 percentE、voice CAC should be left disabled unless wired QoS is configured
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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 keypad sequence will reset the Cisco Unified Wireless IP Phone 7921 to factory default?（）A、***B、**#C、**1D、**2
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What will improve the battery life of a Cisco Unified Wireless IP Phone 7921G?（）A、configuring phone to auto select networkB、configuring beacon period to 80 msC、configuring DTIM period to 2D、enabling RRM
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When planning for voice deployments with the Cisco Unified Wireless IP Phone 7921G handset in amultifloor building with a WLAN that operates at an 11 MB/s data rate， how many decibelsreferenced to 1 milliwatt of same-channel separation are recommended between floors？（）A、13 dBmB、19 dBmC、25 dBmD、31 dBm
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You are troubleshooting a problem with a Cisco 7920 wireless IP phone on a standalone WLAN.The phone rings but， when you answer， the call is dropped. What may cause this problem？（）A、The minimum data rate is not set to 11 Mbps.B、An address resolution protocol is enabled.C、Publicly Secure Packet forwarding is enabled.D、The access point is set to the least congested channel.
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You are troubleshooting a problem with a cisco 7920 wireless ip phone on a standalone wlan. the phone rings but， when you Answer ，the call is dropped. What may have caused this problem？（）A、publicly secure packet forwarding is enabled.B、the minimum data rate is not set to 11 mbps.C、an address resolution protocol is enabled.D、the access point is set to the least congested channel.
考题
You are troubleshooting a problem with a Cisco 7920 wireless IP phone on a standalone WLAN.The phone rings but， when you answer， the call is dropped. What may have caused this problem？（）A、Publicly Secure Packet forwarding is enabled.B、The minimum data rate is not set to 11 Mbps.C、An address resolution protocol is enabled.D、The access point is set to the least congested channel.
考题
Which three actions are required to access the network statistics on a remote Cisco Unified Wireless IP Phone 7921G via a web browser?（）A、Browse to the phone using the MAC address of the phone.B、Use HTTPS:// preceding the address of the phone.C、Change web access to read/write for the MAC address of the phone on Cisco Unified Communications Manager.D、Enter the username and password of the phone.E、Ensure that the host is on the same subnet as the remote phone.
考题
What is the maximum data rate specified by the IEEE 802.11B standard for wireless LANS?（）A、10 MbpsB、11 MbpsC、54 MbpsD、100 MbpsE、none of the above
考题
单选题What is the recommended Cisco DSCP value for a switch or router passing Cisco Unified Wireless IP Phone 7921G RTP packets?（）A
CS3B
CS1C
EFD
5E
6
考题
单选题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 recommendationsB
100 percent to ensure that the VoWLAN calls can use all the available bandwidth, if neededC
system default of 75 percentD
40 to 60 percentE
voice CAC should be left disabled unless wired QoS is configured
考题
单选题You are troubleshooting a problem with a Cisco 7920 wireless IP phone on a standalone WLAN.The phone rings but， when you answer， the call is dropped. What may cause this problem？（）A
The minimum data rate is not set to 11 Mbps.B
An address resolution protocol is enabled.C
Publicly Secure Packet forwarding is enabled.D
The access point is set to the least congested channel.
考题
单选题You are troubleshooting a problem with a Cisco 7920 wireless IP phone on a standalone WLAN. The phonerings but， when you answer， the call is dropped. What may have caused this problem？（）A
The minimum data rate is not set to 11 Mbps.B
An address resolution protocol is enabled.C
Publicly Secure Packet forwarding is enabled.D
The access point is set to the least congested channel.
考题
单选题Which keypad sequence will reset the Cisco Unified Wireless IP Phone 7921 to factory default?（）A
***B
**#C
**1D
**2
考题
单选题Which statement describes the call behavior of the Cisco Unified Wireless IP Phone 7921G when it roams from 802.11b to 802.11a?（）A
The phone does a directed call hangup on 802.11b，then does an auto-redial on 802.11a，creating a new call.B
The phone does a directed call hangup on 802.11b， then the user does a redial on 802.11a，creating a new call.C
The phone does a disassociation on 802.11b and an association on 802.11a，and call remains up if the subnet has not changed.D
The phone does not roam from 802.11b to 802.11a when on an active call.E
The phone must switch network profiles to roam from 802.11b to 802.11a.
考题
单选题What call performance statistics are reported on the Cisco Wireless IP Phone 7921 user interface?（）A
minimum jitterB
maximum jitterC
upstream standard packet deviationD
average MOS valueE
average conceal rate
考题
单选题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 dBmB
-67 dBmC
-69 dBmD
-70 dBm
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