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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

题目
单选题
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

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相似问题和答案

第1题：

What Cisco IOS feature can be enabled to pinpoint an application that is causing slow network performance?()

A.SNMP

B.Netflow

C.WCCP

D.IP SLA


参考答案：B

第2题：

You need to troubleshoot some problems in the Company VOIP network associated with jitter.   What is the cause of jitter？  （）

  • A、 Packet drops
  • B、 Transmitting too many small packets
  • C、 Variable queue delays
  • D、 Compression
  • E、 None of the other alternatives apply

正确答案:C

第3题：

If you want to test if fragmentation is causing problems on the network, which two ping command options are useful?()

A. ttl

B. size

C. rapid

D. do-not-fragment


参考答案：B, D

第4题：

Which three statements describe the User Datagram Protocol (UDP)?（）

  • A、UDP provides delivery notification and error checking mechanisms.
  • B、UDP is faster than the Transmission Control Protocol (TCP).
  • C、UDP application examples include DNS and VoIP.
  • D、UDP is an application layer protocol.
  • E、UDP uses a best effort delivery approach.

正确答案:B,C,E

第5题：

Jitter is causing problems with the VOIP application in the Company network.  What causes  network jitter？（）

  • A、Variable queue delays
  • B、Packet drops
  • C、Transmitting too many small packets
  • D、Compression

正确答案:A

第6题：

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.

正确答案:B,D

第7题：

Which two statements best describe Cisco IOS IP SLA？（）

  • A、only implemented between Cisco source and destination-capable devices
  • B、statistics provided by syslog， CLI， and SNMP
  • C、measures delay， jitter， packet loss， and voice quality
  • D、only monitors VoIP traffic flows
  • E、provides active monitoring
  • F、provides passive monitoring

正确答案:C,E

第8题：

Network managers have long awaited practical voice-over-IP(VOIP)solutions. VOIP promises ease network management and decreases(66)by converging a company's telephony and data infrastructures into one network. And a VOIP solution implemented at a company's head-quarters with far-reaching branch offices can(67)tremendous amounts of money in long distance phone bills, provided that solution delivers POTS-like voice(68)over the Internet.

VOIP gateways are designed to convert voice from the(69)domain to the circuit switched domain. VOIP solutions use a digital signal processor(DSP)to process the voice data, preparing the voice sample for transmission by compressing voice and removing jitter. The VOIP equipment must comply with the(70)H.323 standard defined by the International Telecommunication Union, or ITU.

A．time

B．cash

C．costs

D．space


正确答案：C

第9题：

Which VoIP components can permit or deny a call attempt on the basis of a network’s available bandwidth？（）

  • A、MCU
  • B、Application server
  • C、Gateway
  • D、Gatekeeper

正确答案:D

第10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 echo
  • B、UDP echo
  • C、ICMP path jitter
  • D、Application Performance Monitor
  • E、TCP connect

正确答案:C

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