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单选题Which of the following WAN technologies modulates 24 channels into a 1 5Mbps signal?（）A ISDNB PSTNC OC-2D T1

题目
单选题
Which of the following WAN technologies modulates 24 channels into a 1 5Mbps signal?（）
A

ISDN

B

PSTN

C

OC-2

D

T1

相似考题

1.A Next Generation Network(NGN) is a () network ,which is able to provide Telecomunication Services ti users and to make use of multiple broadband, QoS-enable transport technologies and in which service-related functions are (下题选择) of the underlying transport-related technologies.A.ISDNB.ATMC.circuit-basedD.packet-based

2.Which of the following WAN technologies has the GREATEST latency and is not recommended for VoIP?()A. ISDNB. DSLC. SatelliteD. Cable

3.Which of the following WAN protocols is a circuit switching technology?()A. ISDNB. SONETC. Frame RelayD. ATM

4.Which of the following WAN technologies modulates 24 channels into a 1 5Mbps signal?()A.ISDNB.PSTNC.OC-2D.T1

参考答案和解析
正确答案： A
解析： 暂无解析
更多“单选题Which of the following WAN technologies modulates 24 channels into a 1 5Mbps signal?（）A ISDNB PSTNC OC-2D T1”相关问题

  • 第1题：

    Which of the following WAN technologies uses a telephone cable?()

    A.POTS

    B.FDDI

    C.SONET

    D.Cable modem


    参考答案：A

  • 第2题：

    The Testking Corporation consists of the head office in New York with its regional offices in: Chicago, Detroit, Philadelphia, Toronto, and Atlanta. These offices need to be connected in a WAN, and Testking wishes to do this via a hub and spoke arrangement that will utilize packet-switched technology.Which one of the WAN technologies below would be the best choice for Testking?（）

    A. ISDN

    B. Wireless

    C. Frame Relay

    D. T1 leased line

    E. ATM

    F. VPN


    参考答案：C

  • 第3题：

    The Testking Corporation consists of the head office in New York with its regional offices in: Chicago, Detroit, Philadelphia, Toronto, and Atlanta. These offices need to be connected in a WAN, and Testking wishes to do this via a hub and spoke arrangement that will utilize packet-switched technology.Which one of the WAN technologies below would be the best choice for Testking?（）

    • A、ISDN
    • B、Wireless
    • C、Frame Relay
    • D、T1 leased line
    • E、ATM
    • F、VPN

    正确答案:C

  • 第4题：

    Which three WAN technologies does the Cisco SR 500 Family support？（）

    • A、 ADSL
    • B、 SIP trunking
    • C、 Fibre Channel
    • D、 IPv6
    • E、 Fast Ethernet
    • F、 T1

    正确答案:A,E,F

  • 第5题：

    TestKing has five regional offices that are located in different cities. The IT staff is evaluating WAN technologies to interconnect the regional offices to corporate headquarters. Each of the regional offices should be connected to the corporate headquarters in a hub and spoke arrangement using a packet-switched technology. Which of the following WAN technologies will fulfill these requirements?（）

    • A、Frame Relay
    • B、ISDN
    • C、T1 leased lines
    • D、Wireless

    正确答案:A

  • 第6题：

    Which of the following WAN protocols is a circuit switching technology?（）

    • A、ISDN
    • B、SONET
    • C、Frame Relay
    • D、ATM

    正确答案:A

  • 第7题：

    单选题
    Which of the following WAN technologies modulates 24 channels into a 1 5Mbps signal?（）
    A

    ISDN

    B

    PSTN

    C

    OC-2

    D

    T1


    正确答案： C
    解析： 暂无解析

  • 第8题：

    单选题
    Which of the following technologies is the MOST secure form of wireless encryption?（）
    A

    SSL

    B

    WPA

    C

    WEP

    D

    TLS


    正确答案： A
    解析： 暂无解析

  • 第9题：

    单选题
    TestKing has five regional offices that are located in different cities. The IT staff is evaluating WAN technologies to interconnect the regional offices to corporate headquarters. Each of the regional offices should be connected to the corporate headquarters in a hub and spoke arrangement using a packet-switched technology. Which of the following WAN technologies will fulfill these requirements?（）
    A

    Frame Relay

    B

    ISDN

    C

    T1 leased lines

    D

    Wireless


    正确答案： A
    解析： 暂无解析

  • 第10题：

    多选题
    Which three WAN technologies does the Cisco SR 500 Family support？（）
    A

    ADSL

    B

    SIP trunking

    C

    Fibre Channel

    D

    IPv6

    E

    Fast Ethernet

    F

    T1


    正确答案： B,D
    解析： 暂无解析

  • 第11题：

    单选题
    Which of the following technologies is responsible for communication with the CPU?（）
    A

    eSATA

    B

    PCI express

    C

    Southbridge

    D

    Northbridge


    正确答案： A
    解析： 暂无解析

  • 第12题：

    单选题
    Which of the following transmits a digital signal?（）
    A

    VGA

    B

    XGA

    C

    Component video

    D

    DisplayPort


    正确答案： D
    解析： 暂无解析

  • 第13题：

    TestKing has five regional offices that are located in different cities. The IT staff is evaluating WAN technologies to interconnect the regional offices to corporate headquarters. Each of the regional offices should be connected to the corporate headquarters in a hub and spoke arrangement using a packet-switched technology.Which of the following WAN technologies will fulfill these requirements?（）

    A. Frame Relay

    B. ISDN

    C. T1 leased lines

    D. Wireless


    参考答案：A

  • 第14题：

    Which two characteristics apply to a CAS T1 interface?（）

    • A、signaling travels in-band 
    • B、up to 24 voice channels 
    • C、up to 32 voice channels 
    • D、signaling travels in time slot 17 
    • E、uses Q.931 signaling protocol in a common channel

    正确答案:A,B

  • 第15题：

    Which WAN service utilizes two different encapsulation types (one for data and one for signaling) on its data link layer?（）

    • A、ISDN
    • B、Frame Relay
    • C、ATM
    • D、FDDI

    正确答案:A

  • 第16题：

    Which of the following WAN technologies uses a telephone cable?（）

    • A、POTS
    • B、FDDI
    • C、SONET
    • D、Cable modem

    正确答案:A

  • 第17题：

    Which of the following WAN technologies has the GREATEST latency and is not recommended for VoIP?（）

    • A、ISDN
    • B、DSL
    • C、Satellite
    • D、Cable

    正确答案:C

  • 第18题：

    Which of the following WAN technologies modulates 24 channels into a 1 5Mbps signal?（）

    • A、ISDN
    • B、PSTN
    • C、OC-2
    • D、T1

    正确答案:D

  • 第19题：

    单选题
    Which of the following WAN technologies uses a telephone cable?（）
    A

    POTS

    B

    FDDI

    C

    SONET

    D

    Cable modem


    正确答案： D
    解析： 暂无解析

  • 第20题：

    单选题
    Which one of the following is the safety signal?（）.
    A

    SSS

    B

    TTT

    C

    XXX

    D

    FFF


    正确答案： D
    解析： 暂无解析

  • 第21题：

    多选题
    WAN data link encapsulation types include which of the following?（）
    A

    T1

    B

    Frame Relay

    C

    DSL

    D

    PPP

    E

    ISDN

    F

    IPX


    正确答案： A,B
    解析： 暂无解析

  • 第22题：

    单选题
    Which of the following channels air flow through a server chassis？（）
    A

    Fans

    B

    Ducts

    C

    Heat sinks

    D

    Condensers


    正确答案： C
    解析： 暂无解析

  • 第23题：

    单选题
    Which of the following components channels air flow through a server chassis?（）
    A

    Fan

    B

    Heat sink

    C

    Shroud

    D

    Radiator


    正确答案： B
    解析： 暂无解析

  • 第24题：

    单选题
    Which of the following WAN technologies has the GREATEST latency and is not recommended for VoIP?（）
    A

    ISDN

    B

    DSL

    C

    Satellite

    D

    Cable


    正确答案： C
    解析： 暂无解析

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