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单选题
In a Teleworker deployment with a single IP phone connected to a Cisco 831 router, select the true statement regarding Call Admission Control.（）
A
RSVP is a required configuration to support conference calls without voice packet loss.
B
The QoS configuration on the 831 router must always provision sufficient bandwidth for two RTP streams.
C
Call admission control is an issue only when using hardware DSP resources.
D
When using the conference call features on a 7960 IP phone, only one RTP stream is present regardless of how many extensions are on the conference.
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更多 “单选题In a Teleworker deployment with a single IP phone connected to a Cisco 831 router, select the true statement regarding Call Admission Control.（）A RSVP is a required configuration to support conference calls without voice packet loss. B The QoS configuration on the 831 router must always provision sufficient bandwidth for two RTP streams. C Call admission control is an issue only when using hardware DSP resources. D When using the conference call features on a 7960 IP phone, only one RTP stream is present regardless of how many extensions are on the conference.” 相关考题
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Which statement is true about a distributed call control environment and the processing of dialed digits from an IP phone？（）A、The router that is directly connected to the IP phone will look up the called number in its call routing table.B、The router that is directly connected to the IP phone will inform its call agent when a service request is detected.C、When the IP phone is picked up，the IP phone initiates the service request.D、The directly connected router passes the collected digits to its call agent，and the call agent looks up in its call-routing table the called number.
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A customer wants to deploy the Cisco Business Ready Teleworker solution, but is currently using a traditional (non-IP) PBX for voice services. What would you recommend to this customer?（）A、Deployment of Business Ready Teleworker with VoIP is not recommended.B、The customer’s existing PBX must first be replaced with Cisco IP Telephony solution.C、Business Ready Teleworker and Cisco IP Telephony can be deployed in parallel to the existing PBX， integrating the two with trunking.D、Deployment is recommended only for full-time Teleworkers who have no other corporate phone.
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Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for calladmission control within existing H.323 environments？（）A、 single site with centralized call processingB、 single site with distributed call processingC、 multisite with centralized call processingD、 multisite with distributed call processing
考题
When you enter the interface command auto qos voip cisco-phone on a port at the edge of a network,how does the Cisco Catalyst switch detect if a Cisco IP Phone is connected to the port?（）A、by snooping the CoS marking on the incoming framesB、by using RTP hello messages between the switch port and the Cisco IP PhoneC、by using CDPD、by using DHCP snoopingE、by snooping the incoming 802.1Q VLAN tag
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During voice implementation， which two required items are configured at an access layer switch connected to an IP phone to provide VoIP communication？（）A、allowed codecsB、native VLANC、auxiliary VLAND、Cisco Unified Communications Manager IP addressE、RSTP
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The Company network administrator has entered the "auto qos voip cisco-phone" command on switch R1. What does this command do？（）A、It disables the trust boundary feature because the switch knows a Cisco IP phone is attached.B、The switch assigns a CoS value of 5 to incoming packets.C、If a Cisco IP phone is attached and removed， the switch continues to trust the CoS values as long as the switch is not rebooted.D、It turns on STP to see if a Cisco IP phone is attached.E、If a Cisco IP phone is attached， the switch trusts the CoS.F、None of the other alternatives apply.
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Which two statements are true about voice VLANs？（）A、Voice VLANs are only used when connecting an IP phone and a host to distinct switch portsB、Access ports that are configured with voice VLANs will always trust the CoS that is received from IP phonesC、Access ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phoneD、Voice VLANs are configured using the switchport voice vlan vlan-ID interface configuration commandE、Voice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the portF、Enabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings
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An important limitation of the Cisco Business Ready Teleworker solution is_____.（）A、IP phone extensions for teleworkers must be chosen carefully so not to duplicate campus phone extensions.B、More security exposure exists due to lack of support for Intrusion Detection System and URL filtering for teleworker originated traffic.C、Compressed RTP and IPSec are not compatible and result in no bandwidth savings.D、Broadband modems must support Quality of Service for adequate voice quality.
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In a Teleworker deployment with a single IP phone connected to a Cisco 831 router, select the true statement regarding Call Admission Control.（）A、RSVP is a required configuration to support conference calls without voice packet loss. B、The QoS configuration on the 831 router must always provision sufficient bandwidth for two RTP streams. C、Call admission control is an issue only when using hardware DSP resources. D、When using the conference call features on a 7960 IP phone, only one RTP stream is present regardless of how many extensions are on the conference.
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Which two are valid agent interfaces for Cisco Unified Contact Center Express?（）A、Macintosh workstation with Cisco IP Phone Agent B、Linux workstation running CAD with IP Communicator C、Linux workstation running CAD with Cisco Unified IP Phone 7960G D、Citrix Terminal running CAD with IP Communicator E、Citrix Terminal with Cisco IP Phone Agent F、Windows workstation running CAD with Media Termination option
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What is the minimum recommended uplink/downlink speed to support a single encrypted IP voice Teleworker call?（）A、256kbps / 1024kbpsB、256kbps / 1544kbpsC、160kbps / 768kbpsD、384kbps / 384kbpsE、128kbps / 512kbps
考题
Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for call admission control within existing H.323 environments?（）A、single site with centralized call processingB、single site with distributed call processingC、multisite with centralized call processingD、multisite with distributed call processing
考题
单选题An important limitation of the Cisco Business Ready Teleworker solution is_____.（）A
IP phone extensions for teleworkers must be chosen carefully so not to duplicate campus phone extensions.B
More security exposure exists due to lack of support for Intrusion Detection System and URL filtering for teleworker originated traffic.C
Compressed RTP and IPSec are not compatible and result in no bandwidth savings.D
Broadband modems must support Quality of Service for adequate voice quality.
考题
单选题Which IP telephony deployment model uses an H.225 Gatekeeper-Controlled trunk for calladmission control within existing H.323 environments？（）A
single site with centralized call processingB
single site with distributed call processingC
multisite with centralized call processingD
multisite with distributed call processing
考题
单选题A customer wants to deploy the Cisco Business Ready Teleworker solution, but is currently using a traditional (non-IP) PBX for voice services. What would you recommend to this customer?（）A
Deployment of Business Ready Teleworker with VoIP is not recommended.B
The customer’s existing PBX must first be replaced with Cisco IP Telephony solution.C
Business Ready Teleworker and Cisco IP Telephony can be deployed in parallel to the existing PBX， integrating the two with trunking.D
Deployment is recommended only for full-time Teleworkers who have no other corporate phone.
考题
多选题Which two are valid agent interfaces for Cisco Unified Contact Center Express?（）AMacintosh workstation with Cisco IP Phone AgentBLinux workstation running CAD with IP CommunicatorCLinux workstation running CAD with Cisco Unified IP Phone 7960GDCitrix Terminal running CAD with IP CommunicatorECitrix Terminal with Cisco IP Phone AgentFWindows workstation running CAD with Media Termination option
考题
单选题Refer to the exhibit. What is the effect on the trust boundary of configuring the command mls qos trust cos on the switch port that is connected to the IP phone？（）A
Effectively the trust boundary has been moved to the IP phone.B
The host is now establishing the CoS value and has effectively become the trust boundary. C
The switch is rewriting packets it receives from the IP phone and determining the CoS value. D
The switch will no longer tag incoming voice packets and will trust the distribution layer switch to set theCoSE
RTP will be used to negotiate a CoS value based upon bandwidth utilization on the link.
考题
多选题During voice implementation， which two required items are configured at an access layer switch connected to an IP phone to provide VoIP communication？（）Aallowed codecsBnative VLANCauxiliary VLANDCisco Unified Communications Manager IP addressERSTP
考题
单选题Which statement is true about a distributed call control environment and the processing of dialed digits from an IP phone？（）A
The router that is directly connected to the IP phone will look up the called number in its call routing table.B
The router that is directly connected to the IP phone will inform its call agent when a service request is detected.C
When the IP phone is picked up，the IP phone initiates the service request.D
The directly connected router passes the collected digits to its call agent，and the call agent looks up in its call-routing table the called number.
考题
单选题When you enter the interface command auto qos voip cisco-phone on a port at the edge of a network, how does the Cisco Catalyst switch detect if a Cisco IP Phone is connected to the port? （）A
by snooping the CoS marking on the incoming framesB
by using RTP hello messages between the switch port and the Cisco IP PhoneC
by using CDPD
by using DHCP snoopingE
by snooping the incoming 802.1Q VLAN tag
考题
单选题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
考题
多选题Which two statements are true about voice VLANs？（）AVoice VLANs are only used when connecting an IP phone and a host to distinct switch portsBAccess ports that are configured with voice VLANs will always trust the CoS that is received from IP phonesCAccess ports that are configured with voice VLANs may or may not override the CoS value that is received from an IP phoneDVoice VLANs are configured using the switchport voice vlan vlan-ID interface configuration commandEVoice VLANs provide a trunking interface between an IP phone and an access port on a switch to allow traffic from multiple devices that are connected to the portFEnabling Voice VLAN on a switch port will automatically configure the port to trust the incoming CoS markings
考题
单选题Refer to the exhibit. Given the DHCP pool configuration shown on Router A, the Cisco IP phone will not boot up in the Teleworker location. What is missing from the Teleworker DHCP pool configuration?（）A
The DHCP pool needs to have an import all statement. B
The DHCP pool is missing an option 150 ip 10.59.138.1 statement.C
The DHCP pool is missing an option 139 ip 10.59.138.1 statementD
The DHCP pool is missing a dns-server 10.59.138.1 statement.
考题
单选题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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