What are two design guidelines for VoIP networks? （）A、Delay should be no more than 10 ms.B、Loss should be no more than1 percent.C、Jitter should be less then 40 ms.D、Managed bandwidth is strongly recommended for voice control traffic.
What are two design guidelines for VoIP networks? （）
- A、Delay should be no more than 10 ms.
- B、Loss should be no more than1 percent.
- C、Jitter should be less then 40 ms.
- D、Managed bandwidth is strongly recommended for voice control traffic.
相关考题：
there is no reason that they should limit how much vitamin you take ____ they can limit how much water you drink. A. any more thanB. no more thanC. much more thanD. no less than
What are two design guidelines for VoIP networks? () A.Delay should be no more than 10 ms.B.Loss should be no more than1 percent.C.Jitter should be less then 40 ms.D.Managed bandwidth is strongly recommended for voice control traffic.
There is no reason they should limit how much vitamin you take，( )they can limit how much water you drink. A.much more than B.no more than C.no less than D.any more than
Which two statements are true about voice packets in a LAN？ （Choose two.） （）A、 Voice traffic data flow involves large volumes of large packets.B、 Because a packet loss involves a small amount of data， voice traffic is less affected by packet losses than traditional data traffic is.C、 Voice carrier stream utilizes Real-Time Transport Protocol （RTP） to carry the audio/media portion of VoIP communication.D、 Voice packets are very sensitive to delay and jitter.E、 Voice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.
When provisioning for Interactive-Video（e，g，video conferencing traffic）which three statementsdepicts the correct requirements？（）A、Loss should be no more than 1 percent.B、One-way latency should be no more than 150 msC、Jitter should be no more than 30 msD、Loss should be no more than 3 percentE、One-way latency should be no more than 150/2=75 msF、Jitter should be no more than 300 ms
Which two statements correctly identify considerations to take into account when deciding onCampus QoS Design elements？ （）A、 Voice needs to be assigned to the hardware priority queueB、 Voice needs to be assigned to the software priority queueC、 Call signaling must have guaranteed bandwidth serviceD、 Strict-priority queuing should be limited to 50 percent of the capacity of the linkE、 At least 33 percent or the link bandwidth should be reserved tor default best effort class
What are two design considerations for a WLAN to support voice?（）A、Packet loss is less than one percent.B、Signal strength at cell edge is approximately -67 dBm.C、End-to-end delay is less than 200 ms.D、Cell overlap between APs is 50 percent.
When your WebLogic Server solution needs to be scaled out with additional capacity and you Don’t want to add additional hardware, which three techniques should you us?（）A、Assign more than one managed server to a physical hardware that allows better CPU utilizationB、Assign more than one application to one managed server to better utilize threads within a single JVM processC、Assign the same application to more than one managed server to load balance requests between serversD、Assign the same heap size to the managed server across the cluster for easier control of memory footprint E、Create a virtualized environment with hypervisor for an easier solution
VOIP has been implemented at the main office of the Company network. Which two statements are true about voice packets in a LAN？（）A、 Voice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media portion of the VoIP communication. B、 Voice traffic data flow involves large volumes of large packets. C、 Because a packet loss involves a small amount of data, voice traffic is less affected by packet losses than traditional data traffic is. D、 Voice packets are encapsulated in TCP segments to allow for proper sequencing during delivery. E、 Voice packets are very sensitive to delay and jitter.
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
When you enable port security on an interface that is also configured with a voice VLAN， what is the maximum number of secure MAC addresses that should be set on the port？（）A、No more than one secure MAC address should be set.B、The default will be set.C、The IP phone should use a dedicated port， therefore only one MAC address is needed per port.D、No value is needed if the switchport priority extend command is configured. E、No more than two secure MAC addresses should be set.
What are two major sources of delay that can be managed by QoS in voice-enabled networks？（）A、propagation delayB、voice packet serialization delayC、congested egress queuesD、header overheadE、packets dropped because of CRC errors
Which statement is NOT a key QoS recommended requirement for voice bearer traffic?（）A、Voice traffic should be marked to DSCP EF per the QoS baseline and RFC3246.B、Voice traffic loss should be no more than 3%.C、One-way latency （mouth-to-ear） should be less than 150 msec.D、Average one way jitter should be targeted to less than 30 msec.E、21-320 Kbps of guaranteed priority bandwidth is required per call depending on sample rate，codec，and layer 2 overhead.
Which two statements are true about network voice traffic？ （Choose two.）（）A、 Voice traffic is affected more by link speed than FTP traffic is.B、 Voice traffic is affected more by packet delays than FTP traffic is.C、 Voice streams involve larger packet sizes than most TCP network traffic involves.D、 Voice traffic is more sensitive to packet loss than TCP network traffic is.E、 Voice traffic requires QOS mechanisms only in heavily loaded network segments.
What are two design guidelines for VoIP networks？（）A、 Delay should be no more than 10 ms.B、 Loss should be no more than 1 percent.C、 Jitter should be less then 40 ms.D、 Managed bandwidth is strongly recommended for voice control traffic.
A server is configured with two network cards. To utilize the bandwidth of both network cards at the same time without assigning more than one IP address, which of the following load balancing techniques should be used?（）A、ClusteringB、NIC teamingC、OSPFD、VLAN tagging
多选题When provisioning for Interactive-Video（e，g，video conferencing traffic）which three statementsdepicts the correct requirements？（）ALoss should be no more than 1 percent.BOne-way latency should be no more than 150 msCJitter should be no more than 30 msDLoss should be no more than 3 percentEOne-way latency should be no more than 150/2=75 msFJitter should be no more than 300 ms
单选题If the effective bearing area has been reduced , remedial action should be taken（）Aby more than 5 percentBby less than 10 percentCto 95 percentDto less than 90 percent
多选题VOIP has been implemented at the main office of the Company network. Which two statements are true about voice packets in a LAN？（）AVoice carrier stream utilizes Real-Time Transport Protocol (RTP) to carry the audio/media portion of the VoIP communication.BVoice traffic data flow involves large volumes of large packets.CBecause a packet loss involves a small amount of data, voice traffic is less affected by packet losses than traditional data traffic is.DVoice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.EVoice packets are very sensitive to delay and jitter.
多选题What are two design guidelines for VoIP networks? （）ADelay should be no more than 10 ms.BLoss should be no more than1 percent.CJitter should be less then 40 ms.DManaged bandwidth is strongly recommended for voice control traffic.
单选题A squeeze-grip type carbon dioxide portable fire extinguisher has been partially discharged. It should be（）.Alabeled empty and recharged as soon as possibleBreplaced in its proper location if weight loss is no more than 25%Creplaced in its proper location regardless of weightDreplaced in its proper location if weight loss is no more than 15%
多选题What are two design considerations for a WLAN to support voice?（）APacket loss is less than one percent.BSignal strength at cell edge is approximately -67 dBm.CEnd-to-end delay is less than 200 ms.DCell overlap between APs is 50 percent.
单选题When you enable port security on an interface that is also configured with a voice VLAN， what is the maximum number of secure MAC addresses that should be set on the port？（）ANo more than one secure MAC address should be set.BThe default will be set.CThe IP phone should use a dedicated port， therefore only one MAC address is needed per port.DNo value is needed if the switchport priority extend command is configured. ENo more than two secure MAC addresses should be set.
多选题Which two statements are true about voice packets in a LAN？ （Choose two.） （）AVoice traffic data flow involves large volumes of large packets.BBecause a packet loss involves a small amount of data， voice traffic is less affected by packet losses than traditional data traffic is.CVoice carrier stream utilizes Real-Time Transport Protocol （RTP） to carry the audio/media portion of VoIP communication.DVoice packets are very sensitive to delay and jitter.EVoice packets are encapsulated in TCP segments to allow for proper sequencing during delivery.
多选题What are two design guidelines for VoIP networks？（）ADelay should be no more than 10 ms.BLoss should be no more than 1 percent.CJitter should be less then 40 ms.DManaged bandwidth is strongly recommended for voice control traffic.
单选题Which statement is NOT a key QoS recommended requirement for voice bearer traffic?（）AVoice traffic should be marked to DSCP EF per the QoS baseline and RFC3246.BVoice traffic loss should be no more than 3%.COne-way latency （mouth-to-ear） should be less than 150 msec.DAverage one way jitter should be targeted to less than 30 msec.E21-320 Kbps of guaranteed priority bandwidth is required per call depending on sample rate，codec，and layer 2 overhead.