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Jitter is causing problems with the VOIP application in the network. What causes network jitter？（）
- A、Variable queue delays
- B、Packet drops
- C、Transmitting too many small packets
- D、Compression
参考答案
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Jitter is causing problems with the VOIP application in the Company network. What causes network jitter？（）A、Variable queue delaysB、Packet dropsC、Transmitting too many small packetsD、Compression
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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.
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QoS refers to the ability of a network to provide improved service， over various underlying technologies， to select network traffic. Which two traits are inherent to QoS？（）A、 reference to network ability to provide improved service to all network trafficB、 reduction in delay， jitter， and packet lossC、 equal handling of all packetsD、 support for real-time applicationsE、 best-effort actions
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EIGRP is being used as the routing protocol on the company network. While troubleshooting somenetwork connectivity issues， you notice a large number of EIGRP SIA （Stuck in Active） messages.What causes these SIA routes？（）A、The neighboring router stops receiving ACK packets from this routerB、The neighboring router starts receiving route updates from this routerC、The neighboring router is too busy to answer the query （generally caused by high CPUutilization）D、The neighboring router is having memory problems and cannot allocate the memory to processthe query or build the reply packet
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The nfsstat -c command shows zero badxid， but retrans and timeouts are sizeable， what is the most probable cause of the problem？（）A、 Too many nfsd’s runningB、 Client and server with different buffer sizesC、 Bridges， routers or gateways are receiving too many fragmentated packetsD、 Too few nfsd’s running
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单选题A server connects to iSCSI presented SAN storage array through a dedicated NIC；however，the SAN traffic is passed on the same switches as the Ethernet network and VoIP traffic. The size of the presented drive is 700GB. The administrator has noticed a decrease in storage performance. Which of the following is MOST likely the cause？ （）A
The servers power supply is starting to fail and causing the iSCSI NIC to intermittently lose power.B
There are too many users attempting to access the iSCSI presented disk.C
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单选题When running IP SLA， which application type should be used if you want to know round-trip delay， jitter， and packet loss for the full path？（）A
ICMP path echoB
UDP echoC
ICMP path jitterD
Application Performance MonitorE
TCP connect
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单选题You need to troubleshoot some problems in the Company VOIP network associated with jitter. What is the cause of jitter？ （）A
Packet dropsB
Transmitting too many small packetsC
Variable queue delaysD
CompressionE
None of the other alternatives apply
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单选题Jitter is causing problems with the VOIP application in the network. What causes network jitter？（）A
Variable queue delaysB
Packet dropsC
Transmitting too many small packetsD
Compression
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多选题EIGRP is being used as the routing protocol on the PassGuide network. Whiletroubleshooting some network connectivity issues，you notice a large number of EIGRP SIA（StuckinActive）messages. What causes these SIA routes（）AThe neighboring router stops receiving ACK packets from this router.BThe neighboring router starts receiving route updates from this router.CThe neighboring router is too busy to answer the query(generally caused by high CPU utilization).DThe neighboring router is having memory problems and cannot allocate the memory to process the query or build the reply packet.
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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.
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单选题The nfsstat -c command shows zero badxid， but retrans and timeouts are sizeable， what is the most probable cause of the problem？（）A
Too many nfsd’s runningB
Client and server with different buffer sizesC
Bridges， routers or gateways are receiving too many fragmentated packetsD
Too few nfsd’s running
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单选题What is the goal of QoS in a network？ （）A
prevent packets from being droppedB
increase available bandwidthC
reduce hardware errorsD
provide predictable network serviceE
eliminate propagation delayF
eliminate jitter and packet loss
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多选题QoS refers to the ability of a network to provide improved service， over various underlying technologies， to select network traffic. Which two traits are inherent to QoS？（）Areference to network ability to provide improved service to all network trafficBreduction in delay， jitter， and packet lossCequal handling of all packetsDsupport for real-time applicationsEbest-effort actions
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多选题EIGRP is being used as the routing protocol on the company network. While troubleshooting somenetwork connectivity issues， you notice a large number of EIGRP SIA （Stuck in Active） messages.What causes these SIA routes？（）AThe neighboring router stops receiving ACK packets from this routerBThe neighboring router starts receiving route updates from this routerCThe neighboring router is too busy to answer the query （generally caused by high CPUutilization）DThe neighboring router is having memory problems and cannot allocate the memory to processthe query or build the reply packet
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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
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单选题Jitter is causing problems with the VOIP application in the Company network. What causes network jitter？（）A
Variable queue delaysB
Packet dropsC
Transmitting too many small packetsD
Compression
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