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多选题VOIP is being implemented in the Company network and you need to assess the need for QoS.   Which of the following network problems would indicate a need to implement QoS features？（）AMis-routed packetsBExcess jitterCDelay of critical trafficDPacket los

题目
多选题
VOIP is being implemented in the Company network and you need to assess the need for QoS.   Which of the following 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

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相似问题和答案

第1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2题：

You have a computer that runs Windows Vista. You create a virtual private network (VPN) connection between the computer and your company’s network.You notice that while the computer is connected through the VPN connection, users on the company network can access shared folders on the computer.You need to prevent network users from accessing your shared folders when you are connected to the company’s network by using the VPN connection.What should you do?（）

A.A

B.B

C.C

D.D


参考答案：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：

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6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7题：

You work as a network Exchange administrator at Company.com.The Company.com network currently consists of an internal network and perimeter network.The Company.com organization makes use of Microsoft Exchange Server 2010 as their messaging solution.Company.com has recently deployed a new server to the perimeter network which runs Microsoft Windows Server 2008 R2.During the course of the business week you receive instruction from Company.com to install the Microsoft Exchange Server Edge Transport server role on the server in the perimeter network. What should you do？（）

  • A、You should consider having the ImportEdgeConfig.ps1 script run on the existing Exchange Server 2010 server.
  • B、You should consider having TCP port 88 and TCP port 3268 opened on the firewall between the perimeter network and the internal network.
  • C、You should consider having the new server joined to an Active Directory domain.
  • D、You should consider having the Active Directory Lightweight Directory Services installed on the new server in the perimeter network.

正确答案:D

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：

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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