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单选题VOIP is being implemented on the Company network. In a properly designed network，  what is the  maximum amount of time a voice package should spend crossing a network？  （）A 90 millisecondsB 120 millisecondsC 150 millisecondsD 240 milliseconds

题目
单选题
VOIP is being implemented on the Company network. In a properly designed network，  what is the  maximum amount of time a voice package should spend crossing a network？  （）
A

90 milliseconds

B

120 milliseconds

C

150 milliseconds

D

240 milliseconds

参考答案和解析
正确答案： A
解析： 暂无解析
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相似问题和答案

第1题：

A company wants to secure access to its internal wireless network. The company wants to use themost secure means to access the network. Which of the following is the BEST choice for wireless security in this situation?（）

A. WEP encryption

B. Channel rotation

C. Disable SSID

D. WPA encryption


参考答案：D

第2题：

Network managers have long awaited practical voice-over-IP(VOIP)solutions. VOIP promises(71)network management and decreases costs by(72)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(73)tremendous amounts of(74)in long distance phone bills, provided that solution delivers POTS -like voice(75)over the Internet.

A．complicated

B．useful

C．ease

D．orderly


正确答案：C

第3题：

●Network managers have long awaited practical voice-overIP(VOIP)solutions.VOIP promises(71)network management and decreases costs by(72)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(73)tremendous amounts of(74)in long distance phone bills，provided that solution delivers POTS-like voice(75)over the Internet.

(71)A.complicated B.useful C.ease D.orderly

(72)A.converging B.dividing C.combine D.bringing

(73)A.get B.put C.save D.waste

(74)A.cash B.money C.space D.time

(75)A.qualtity B.quality C.volune D.speed


正确答案：C,A,C,B,B
【解析】(参考译文)网络管理者很久之前就等待着VoIP的出现。VoIP使网络管理更加简便，并通过将公司语音和数据结合在一个网络内传送达到减小开销的目的。VoIP可以节省公司总部与遥远的分支机构间的长途话音业务的开销，并可保证同传统话音有着相同的话音质量。

第4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5题：

ABC Company has 1500 managed devices and 15，000 end users on a campus network. LANManagement Solution （LMS） is being deployed as the network management application. What is the recommended number of network management server（s）？（）

  • A、 1
  • B、 2
  • C、 3
  • D、 4

正确答案:A

第6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7题：

VOIP is being implemented on the Company network. In a properly designed network，  what is the  maximum amount of time a voice package should spend crossing a network？  （）

  • A、90 milliseconds
  • B、120 milliseconds
  • C、150 milliseconds
  • D、240 milliseconds

正确答案:C

第8题：

Network managers have long(140)practical voice-over-IP(VOIP)solutions. VOIP(141)ease network management and decreases costs 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(142)tremendous amounts of(143)in long distance phone bills, provided that solution delivers POTS-like voice(144)over the Internet.

A．await

B．awaited

C．awaiting

D．awaits


正确答案：B

第9题：

LDAP is being utilized throughout the Company Wireless network.  Which issue or set of issues  does the Lightweight Access Point Protocol （LWAPP） address？ （）

  • A、 Reduction of processing in wireless controllers
  • B、 Distributed approach to authentication， encryption， and policy enforcement
  • C、 Access point discovery， information exchange， and configuration
  • D、 Provides security by blocking communication between access points and wireless clients
  • E、 None of the other alternatives apply.

正确答案:C

第10题：

VOIP is being implemented in the network and you need to assess the need for QoS. Which of thefollowing network problems would indicate a need to implement QoS features？（）

  • A、Mis-routed packets
  • B、Excess jitter
  • C、Delay of critical traffic
  • D、Packet loss due to congestion
  • E、Data link layer broadcast storms
  • F、FTP connections unsuccessful

正确答案:B,C,D

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