Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony？（）A、 Analog phones， connected to the PSTN， act as internal call agents if IP communication to the CallManager is lost.B、 An onsite gateway reroutes calls over the PSTN if IP communication to the CallManager is lost.C、 The IP phones can reroute calls over the PSTN if IP communication to the CallManager is lost.D、 Local voice gateways can assume the function of a call agent if IP communication to the CallManager is lost.E、 IP phones use an internal call agent if IP communication to the CallManager is lost.
Which two VoIP capabilities are utilized when the CallManager and the gateway are configured for Survivable Remote Site Telephony？（）
- A、 Analog phones， connected to the PSTN， act as internal call agents if IP communication to the CallManager is lost.
- B、 An onsite gateway reroutes calls over the PSTN if IP communication to the CallManager is lost.
- C、 The IP phones can reroute calls over the PSTN if IP communication to the CallManager is lost.
- D、 Local voice gateways can assume the function of a call agent if IP communication to the CallManager is lost.
- E、 IP phones use an internal call agent if IP communication to the CallManager is lost.
相关考题：
What are two features provided by the Junos Pulse client?() A. 802.1XB. video messagingC. IPsecD. VoIP
Which of the following protocols is commonly used for VoIP technology?() A.TelnetB.SMTPC.SIPD.SNMP
Which two Cisco AutoQoS configuration statements are true？ （）A、the auto discovery qos command is supported on serial interfaces， subinterfaces， and virtual interfacesB、CEF must be enabled before configuring the auto discovery qos commandC、the auto discovery qos privilege EXEC command must be configured on a router for several days to collect a sampling of data trafficD、the auto qos trust command relies on NBAR to provide VoIP classificationE、the auto qos voip command configures the voip classification on routers and switches
Which three QoS mechanisms can be configured to improve VoIP quality on a converged network？（）A、The use of a queuing method that will give VoIP traffic strict priority over other traffic B、The use of RTP header compression for the VoIP traffic.C、The proper classification and marking of the traffic as close to the source as possibleD、The use of 802.1QinQ trunking for VoIP trafficE、The use of WRED for the VoIP traffic
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
Which two statements best describe Cisco IOS IP SLA？（）A、only implemented between Cisco source and destination-capable devicesB、statistics provided by syslog， CLI， and SNMPC、measures delay， jitter， packet loss， and voice qualityD、only monitors VoIP traffic flowsE、provides active monitoringF、provides passive monitoring
What are two features provided by the Junos Pulse client?（）A、802.1XB、video messagingC、IPsecD、VoIP
What are two reasons for packet loss on a VoIP connection？（）A、serialization delayB、overrunC、full buffers and queuesD、propagation delayE、shaping delayF、TCP header errors
Which two statements are true about the digital audio in a VoIP network？ （）A、 Standard encoding techniques create an uncompressed digital data rate of 4000 bps.B、 Standard encoding techniques create an uncompressed digital data rate of 8000 bps.C、 Standard encoding techniques create an uncompressed digital data rate of 64，000 bps.D、 Voice quality is not a concern if compression is not used.E、 Two methods of quantization are linear and logarithmic.F、 Two methods of compression are u-law and a-law.
Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？（）A、the SDM QoS wizard will create two real-time traffic classes to handle VoIP， voice signaling， and video packetsB、the SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， video， and video packetsC、the SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packetsD、the SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packetsE、the SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packetsF、the SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets
Which is a valid Cisco CRS 4.0 deployment scenario? （）A、redundant Cisco CRS Engines and a simplex database server B、redundant Cisco CRS Engines with five simplex VoIP monitoring servers C、redundant Cisco CRS Engines and databases running on two different nodes outside of the Cisco CRS cluster D、redundant Cisco CRS Engines and databases with two VoIP monitoring servers and three recording servers
Which two items best describe a Cisco IOS IP SLA responder？（）A、required at the destination to implement Cisco IOS IP SLA servicesB、improves measurement accuracyC、required for VoIP jitter measurementsD、provides security on Cisco IOS IP SLA messages via LEAP or EAP-FAST authenticationE、responds to one Cisco IOS IP SLA operation per portF、stores the resulting test statistics
Which QoS mechanisms can you use on a converged network to improve VoIP quality？（）A、The use of a queuing method that will give VoIP traffic strict priority over other trafficB、The use of RTP header compression for the VoIP trafficC、The proper classification and marking of the traffic as close to the source as possibleD、The use of 802.1QinQ trunking for VoIP trafficE、The use of WRED
You need to configure port security on switch R1. Which two statements are true about this technology？ （）A、 Port security can be configured for ports supporting VoIP.B、 With port security configured， four MAC addresses are allowed by default.C、 The network administrator must manually enter the MAC address for each device in order for the switch to allow connectivity.D、Withsecurity configured， only one MAC addresses is allowed by default. E、 Port security cannot be configured for ports supporting VoIP.
Which of the following is a performance optimization technology?（）A、QoSB、TrunkingC、SpanningD、VoIP
Which of the following protocols is commonly used for VoIP technology?（）A、TelnetB、SMTPC、SIPD、SNMP
Which of the following WAN technologies has the GREATEST latency and is not recommended for VoIP?（）A、ISDNB、DSLC、SatelliteD、Cable
多选题Which two Cisco AutoQoS configuration statements are true？ （）Athe auto discovery qos command is supported on serial interfaces， subinterfaces， and virtual interfacesBCEF must be enabled before configuring the auto discovery qos commandCthe auto discovery qos privilege EXEC command must be configured on a router for several days to collect a sampling of data trafficDthe auto qos trust command relies on NBAR to provide VoIP classificationEthe auto qos voip command configures the voip classification on routers and switches
多选题Which QoS mechanisms can you use on a converged network to improve VoIP quality？（）AThe use of a queuing method that will give VoIP traffic strict priority over other trafficBThe use of RTP header compression for the VoIP trafficCThe proper classification and marking of the traffic as close to the source as possibleDThe use of 802.1QinQ trunking for VoIP trafficEThe use of WRED
多选题Which two items best describe a Cisco IOS IP SLA responder？（）Arequired at the destination to implement Cisco IOS IP SLA servicesBimproves measurement accuracyCrequired for VoIP jitter measurementsDprovides security on Cisco IOS IP SLA messages via LEAP or EAP-FAST authenticationEresponds to one Cisco IOS IP SLA operation per portFstores the resulting test statistics
多选题What are two reasons for packet loss on a VoIP connection？（）Aserialization delayBoverrunCfull buffers and queuesDpropagation delayEshaping delayFTCP header errors
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
多选题Which two statements about the QoS policy generation phase of the Cisco SDM QoS wizard are true？ （）AThe SDM QoS wizard will create two real-time traffic classes to handle VoIP and voice signaling packets.BThe SDM QoS wizard will create three real-time traffic classes to handle VoIP， voice signaling， and video packets.CThe SDM QoS wizard will create four real-time traffic classes to handle VoIP， voice signaling， video， and video streaming packets.DThe SDM QoS wizard will create two business-critical traffic classes to handle transactional and network management packets.EThe SDM QoS wizard will create three business-critical traffic classes to handle transactional， network management， and routing packets.FThe SDM QoS wizard will create four business-critical traffic classes to handle transactional， network management， routing， and best-effort packets.
多选题You need to configure port security on switch R1. Which two statements are true about this technology？ （）APort security can be configured for ports supporting VoIP.BWith port security configured， four MAC addresses are allowed by default.CThe network administrator must manually enter the MAC address for each device in order for the switch to allow connectivity.DWithsecurity configured， only one MAC addresses is allowed by default.EPort security cannot be configured for ports supporting VoIP.
单选题Final exams were incredibly comprehensive, and went on for two weeks, which length made it seem as if they would never end.Acomprehensive, and went on for two weeks, which length madeBcomprehensive and since they went on for two weeks, that madeCcomprehensive and, since they went on for two weeks, to makeDcomprehensive and went on for two weeks, which madeEcomprehensive and, by going on for two weeks, it made
多选题Which two statements best describe Cisco IOS IP SLA？（）Aonly implemented between Cisco source and destination-capable devicesBstatistics provided by syslog， CLI， and SNMPCmeasures delay， jitter， packet loss， and voice qualityDonly monitors VoIP traffic flowsEprovides active monitoringFprovides passive monitoring
多选题Which three QoS mechanisms can be configured to improve VoIP quality on a converged network？（）AThe use of a queuing method that will give VoIP traffic strict priority over other trafficBThe use of RTP header compression for the VoIP traffic.CThe proper classification and marking of the traffic as close to the source as possibleDThe use of 802.1QinQ trunking for VoIP trafficEThe use of WRED for the VoIP traffic