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匿名使用者 發問時間: 社會與文化語言 · 1 0 年前

通訊工程概論問題

1.Thin-client architecture is an example of _____ computing.

1.centralized

2.client/server

3.distributed

4.n-tier

5.virtual

2.A _____network topology is a combination of two or more basic network topologies.

1.Mesh

2.Tree

3.Hybrid

4.Bus-Star

5.Ring-Star

3.The _____ represents the point where the LEC and IXCs are internected.

1.POP

2.RBOC

3.LATA

4.ANI

5.PIC

4In a _____ network, all computers are connected to central node.

1.Ring

2.Bus

3.Tree

4.Mesh

5.Star

5._____ is a way of storing the same data on multiple hard disks.

1.USP

2.CORBA

3.APS

4.RAID

5.ATM

6A _____ network is built for exclusive use by a single organization.

1.circuit switching

2.message switching

3.public

4.private

5.virtual

7Automatic Number Identification is the capability of a local switching office to _____.

1.provide equal access to all IXCs.

2.support digital services.

3.automatically identify the calling station.

4.provide two-wire line-side acesses to subscribers

5.All of the above

8.A(n) _____ handles long distance telephone calls while a(n) _____ handles local telephone calls .

1.LEC, IXC

2.IXC, LEC

3.LEC, AT&T

4.IXC, AT&T

5.AT&T, MCI

9.The _____ are proprietary standards set by large companies.

1.national standards

2.de facto standards

3.telecom standards

4.RCTRA and OSI

5.OSI and USENET

10.The typical geographic expanse of a _____ is less than 5km while that of a _____ is more than 50km

1.LAN, MAN

2.LAN, WAN

3.MAN, WAN

4.Ring, Star

5.Star, Ring

11._____ discovered the electromagnetic wave in 1888.

1.Alexander Graham Bell

2.Marconi

3.Hertz

4.Morse

5.Thomas A. Watson

12.The OSI model for data communication has been adopted by the _____.

1.FCC

2.IEC

3.ANSI

4.ISO

5.USNC

13.The LECs have updated their equipment to Feature Group _____, which provides four-wire trunk-side access to all competing IXCs.

1.A

2.B

3.C

4.D

5.C or D

14._____ describes digital transmission of information.

1.Telecommunications

2.Data Communications

3.Graphic Communications

4.Telephony

5.Wireless Communications

15.The term _____ is limmited to the transimission of sound over wire or wireless.

1.telecommunication

2.radio

3.telex

4.telephony

5.None of the above

16.A _____ network uses encrypted tunnels that forward data over the shared media.

1.circuit switching

2.message switching

3.public

4.private

5.virtural

17.A client/server is an example of a _____ computing.

1.cell switching

2.centralized

3.Ring

4.Private

5.Distributed

18._____ are documented agreements containing technical specifications to ensure that products are fit for their purpose.

1.Regulations

2.Automated billings

3.Regulatory bodies

4.Standards organizations

5.None of the above

19.A _____ is a device whose battery kicks in after a loss of power from the primary source.

1.UPS

2.CORBA

3.APS

4.RAID

5.ATM

20.The _____ is an independent U.S. government agency directly responsible to the Congress.

1.FCC

2.IEC

3.ANSI

4.ISO

5.USNC

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    最佳解答

    1.Thin-client architecture is an example of _____ computing.

    1.centralized

    2.client/server

    3.distributed <--------------- 3

    4.n-tier

    5.virtual

    2.A _____network topology is a combination of two or more basic network topologies.

    1.Mesh

    2.Tree

    3.Hybrid <----------- 3

    4.Bus-Star

    5.Ring-Star

    3.The _____ represents the point where the LEC and IXCs are internected.

    1.POP <--------- 1 一個LEC需要為長途電信局(IXC)提供一個訪問點(POP)設施

    2.RBOC

    3.LATA

    4.ANI

    5.PIC

    4In a _____ network, all computers are connected to central node.

    1.Ring

    2.Bus

    3.Tree

    4.Mesh

    5.Star <---------------- 5

    5._____ is a way of storing the same data on multiple hard disks.

    1.USP

    2.CORBA

    3.APS

    4.RAID <-------------- 4

    5.ATM

    6A _____ network is built for exclusive use by a single organization.

    1.circuit switching

    2.message switching

    3.public

    4.private <--------------- 4

    5.virtual

    7Automatic Number Identification is the capability of a local switching office to _____.

    1.provide equal access to all IXCs.

    2.support digital services.

    3.automatically identify the calling station. <-------------- 3 ANI

    4.provide two-wire line-side acesses to subscribers

    5.All of the above

    8.A(n) _____ handles long distance telephone calls while a(n) _____ handles local telephone calls .

    1.LEC, IXC

    2.IXC, LEC <---------- 2 長途電信局(IXC) : 本地電信局(LEC)

    3.LEC, AT&T

    4.IXC, AT&T

    5.AT&T, MCI

    9.The _____ are proprietary standards set by large companies.

    1.national standards

    2.de facto standards <----------- 2

    3.telecom standards

    4.RCTRA and OSI

    5.OSI and USENET

    10.The typical geographic expanse of a _____ is less than 5km while that of a _____ is more than 50km

    1.LAN, MAN

    2.LAN, WAN <-------------- 2

    3.MAN, WAN

    4.Ring, Star

    5.Star, Ring

    11._____ discovered the electromagnetic wave in 1888.

    1.Alexander Graham Bell

    2.Marconi

    3.Hertz <------------------ 3 1884德-赫茲證實電磁波的特性和存在

    4.Morse

    5.Thomas A. Watson

    12.The OSI model for data communication has been adopted by the _____.

    1.FCC

    2.IEC

    3.ANSI

    4.ISO <---------------- 4

    5.USNC

    13.The LECs have updated their equipment to Feature Group _____, which provides four-wire trunk-side access to all competing IXCs.

    1.A

    2.B

    3.C

    4.D <------------------ 4

    5.C or D

    14._____ describes digital transmission of information.

    1.Telecommunications

    2.Data Communications <-------------- 2

    3.Graphic Communications

    4.Telephony

    5.Wireless Communications

    15.The term _____ is limmited to the transimission of sound over wire or wireless.

    1.telecommunication

    2.radio

    3.telex

    4.telephony <------------------ 4

    5.None of the above

    16.A _____ network uses encrypted tunnels that forward data over the shared media.

    1.circuit switching

    2.message switching

    3.public

    4.private <----------- 4 A VPN uses a public telecommunication nfrastructure

    5.virtural

    17.A client/server is an example of a _____ computing.

    1.cell switching

    2.centralized

    3.Ring

    4.Private

    5.Distributed <------------------5

    18._____ are documented agreements containing technical specifications to ensure that products are fit for their purpose.

    1.Regulations

    2.Automated billings

    3.Regulatory bodies

    4.Standards organizations <---------------- 4

    5.None of the above

    19.A _____ is a device whose battery kicks in after a loss of power from the primary source.

    1.UPS <---------------------- 1

    2.CORBA

    3.APS

    4.RAID

    5.ATM

    20.The _____ is an independent U.S. government agency directly responsible to the Congress.

    1.FCC <----------- 1 Federal Communications Commission (FCC)

    2.IEC

    3.ANSI

    4.ISO

    5.USNC

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  • Thin-client architecture 應該是centralizes computing

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