Which of the following describes the roles of devices in a WAN?（）A、A CSU/DSU terminates a digital local loopB、A modem terminates a digital local loopC、A CSU/DSU terminates an analog local loopD、A modem terminates an analog local loopE、A router is commonly

题目

Which of the following describes the roles of devices in a WAN?（）

  • A、A CSU/DSU terminates a digital local loop
  • B、A modem terminates a digital local loop
  • C、A CSU/DSU terminates an analog local loop
  • D、A modem terminates an analog local loop
  • E、A router is commonly consideredaDTEdevice
  • F、A router is commonly considereda DCE device
相似考题

1.As a network administrator, you will need to decide on the appropriate network devices to use. Which of the following correctly describes the roles of devices in a WAN? (Choose three)A. A CSU/DSU terminates a digital local loop.B. A router is commonly considered a DCE device.C. A modem terminates an analog local loop.D. A router is commonly considered a DTE device.E. A modem terminates a digital local loop.F. A CSU/DSU terminates an analog local loop.G. A modem is used to terminate a T1

2.What is the difference between a CSU／DSU and a modem?()A. A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.B. A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.C. A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.D. A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.

3.Which of the following describes the roles of devices in a WAN? ()A.A CSU/DSU terminates a digital local loopB.A modem terminates a digital local loopC.A CSU/DSU terminates an analog local loopD.A modem terminates an analog local loopE.A router is commonly considered a DTE deviceF.A router is commonly considered a DCE device

4.Which statement describes the function of the LNS in a L2TP environment?()A.It initiates both the PPP session and the tunnel.B.It initiates the PPP session and terminates the tunnel.C.It terminates the PPP session and initiates the tunnel.D.It terminates the PPP session and terminates the tunnel.

参考答案和解析
正确答案:A,D,E
更多“Which of the following describes the roles of devices in a WAN?（）A、A CSU/DSU terminates a digital local loopB、A modem terminates a digital local loopC、A CSU/DSU terminates an analog local loopD、A modem terminates an analog local loopE、A router is commonly”相关问题

  • 第1题：

    The network administrator must complete the connection between the RTA of the XYZ Company and the service provider. To accomplish this task, which two devices could be installed at the customer site to provide a connection through the local loop to the central office of the provider (Choose two.)（）。

    A.WAN switch

    B.PVC

    C.ATM switch

    D.multiplexer

    E.CSU/DSU

    F.modem


    参考答案：E, F

  • 第2题：

    When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?()

    A.Set the encapsulation of the interface to HDLC

    B.Place the CSU/DSU in local-loop mode

    C.Enable local-loop mode on the DCE Frame Relay router

    D.Verify that the encapsulation is set to Frame Relay


    参考答案：A

  • 第3题：

    When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?（）

    • A、Set the encapsulation of the interface to HDLC
    • B、Place the CSU/DSU in local-loop mode
    • C、Enable local-loop mode on the DCE Frame Relay router
    • D、Verify that the encapsulation is set to Frame Relay

    正确答案:A

  • 第4题：

    Which statement about MPLS TE Fast Reroute （FRR） link protection operation is not true？（）

    • A、It requires a next-hop backup tunnel.
    • B、The backup tunnel terminates on the same tail-end router as the primary tunnel.
    • C、The point of local repair （PLR） swaps the label and pushes the backup label.
    • D、The restoration time is expected to be under 50 ms.
    • E、The backup tunnel can have associated bandwidth capacity

    正确答案:B

  • 第5题：

    What is the difference between a CSU/DSU and a modem?（）

    • A、A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line
    • B、A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line
    • C、A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line
    • D、A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line

    正确答案:D

  • 第6题：

    Which of the following describes the roles of devices in a WAN?（）

    • A、A CSU/DSU terminates a digital local loop.
    • B、A modem terminates a digital local loop.
    • C、A CSU/DSU terminates an analog local loop.
    • D、A modem terminates an analog local loop.
    • E、A router is commonly considered a DTE device.
    • F、A router is commonly considered a DCE device.

    正确答案:A,D,E

  • 第7题：

    When comparing analog display inputs to digital display inputs, which of the following is anadvantage that digital has over analog?（）

    • A、Allows for higher brightness
    • B、More crosstalk
    • C、Sustains higher resolutions
    • D、Supports widescreen resolutions

    正确答案:C

  • 第8题：

    单选题
    Which statement is true about the digital to analog conversion process？（）
    A

    the two steps of digital to analog conversion are decompression and reconstruction of the analog signal

    B

    the two steps of digital to analog conversion are decoding and filtering

    C

    the two steps of digital to analog conversion are decompression and filtering of the analog signal

    D

    the two steps of digital to analog conversion are quantization and decoding


    正确答案： C
    解析： 暂无解析

  • 第9题：

    多选题
    Which of the following describes the roles of devices in a WAN? (Choose three.)（）
    A

    A CSU/DSU terminates a digital local loop.

    B

    A modem terminates a digital local loop.

    C

    A CSU/DSU terminates an analog local loop.

    D

    A modem terminates an analog local loop.

    E

    A router is commonly considered a DTE device.

    F

    A router is commonly considered a DCE device.


    正确答案： F,E
    解析： 暂无解析

  • 第10题：

    多选题
    Which of the following describes the roles of devices in a WAN?（）
    A

    A CSU/DSU terminates a digital local loop

    B

    A modem terminates a digital local loop

    C

    A CSU/DSU terminates an analog local loop

    D

    A modem terminates an analog local loop

    E

    A router is commonly consideredaDTEdevice

    F

    A router is commonly considereda DCE device


    正确答案： B,C
    解析： 暂无解析

  • 第11题：

    单选题
    What is the difference between a CSU/DSU and a modem?（）
    A

    A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line.

    B

    A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line.

    C

    A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line.

    D

    A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line.


    正确答案： B
    解析： 暂无解析

  • 第12题：

    单选题
    What is the difference between a CSU/DSU and a modem?（）
    A

    A CSU/DSU converts analog signals from a router to a leased line; a modem converts analog signals from a router to a leased line

    B

    A CSU/DSU converts analog signals from a router to a phone line; a modem converts digital signals from a router to a leased line

    C

    A CSU/DSU converts digital signals from a router to a phone line; a modem converts analog signals from a router to a phone line

    D

    A CSU/DSU converts digital signals from a router to a leased line; a modem converts digital signals from a router to a phone line


    正确答案： A
    解析： 暂无解析

  • 第13题：

    Which of the following describes the roles of devices in a WAN (Choose three.)()。

    A.A CSU/DSU terminates a digital local loop.

    B.A modem terminates a digital local loop.

    C.A CSU/DSU terminates an analog local loop.

    D.A modem terminates an analog local loop.

    E.A router is commonly considered a DTE device.

    F.A router is commonly considered a DCE device.


    参考答案：A, D, E

  • 第14题：

    The network administrator must complete the connection between the RTA of the XYZ Company and the service provider. To accomplish this task, which two devices could be installed at the customer site to provide a connection through the local loop to the central office of the provider (Choose two.)（）。

    • A、WAN switch
    • B、PVC
    • C、ATM switch
    • D、multiplexer
    • E、CSU/DSU
    • F、modem

    正确答案:E,F

  • 第15题：

    Which of the following devices sets the framing type on a T1 circuit？（）

    • A、Transceiver
    • B、Gateway Modem
    • C、Router
    • D、CSU/DSU

    正确答案:D

  • 第16题：

    Which of the following describes the roles of devices in a WAN? （）

    • A、A CSU/DSU terminates a digital local loop
    • B、A modem terminates a digital local loop
    • C、A CSU/DSU terminates an analog local loop
    • D、A modem terminates an analog local loop
    • E、A router is commonly considered a DTE device
    • F、A router is commonly considered a DCE device

    正确答案:A,D,E

  • 第17题：

    Which statement is true about the digital to analog conversion process？（）

    • A、the two steps of digital to analog conversion are decompression and reconstruction of the analog signal
    • B、the two steps of digital to analog conversion are decoding and filtering
    • C、the two steps of digital to analog conversion are decompression and filtering of the analog signal
    • D、the two steps of digital to analog conversion are quantization and decoding

    正确答案:B

  • 第18题：

    Which test checks the transmitter and receiver of a local modem？（）

    • A、data parity
    • B、analog loop back
    • C、local digital loop back
    • D、remote digital loop back

    正确答案:B

  • 第19题：

    Which statement describes the function of the LNS in a L2TP environment?（）

    • A、It initiates both the PPP session and the tunnel.
    • B、It initiates the PPP session and terminates the tunnel.
    • C、It terminates the PPP session and initiates the tunnel.
    • D、It terminates the PPP session and terminates the tunnel.

    正确答案:D

  • 第20题：

    单选题
    Which statement describes the function of the LNS in a L2TP environment?（）
    A

    It initiates both the PPP session and the tunnel.

    B

    It initiates the PPP session and terminates the tunnel.

    C

    It terminates the PPP session and initiates the tunnel.

    D

    It terminates the PPP session and terminates the tunnel.


    正确答案： B
    解析： 暂无解析

  • 第21题：

    单选题
    Which test checks the transmitter and receiver of a local modem？（）
    A

    data parity

    B

    analog loop back

    C

    local digital loop back

    D

    remote digital loop back


    正确答案： A
    解析： 暂无解析

  • 第22题：

    单选题
    Which statement about MPLS TE Fast Reroute （FRR） link protection operation is not true？（）
    A

    It requires a next-hop backup tunnel.

    B

    The backup tunnel terminates on the same tail-end router as the primary tunnel.

    C

    The point of local repair （PLR） swaps the label and pushes the backup label.

    D

    The restoration time is expected to be under 50 ms.

    E

    The backup tunnel can have associated bandwidth capacity


    正确答案： E
    解析： 暂无解析

  • 第23题：

    多选题
    Which of the following describes the roles of devices in a WAN？（）
    A

    A CSU/DSU terminates a digital local loop

    B

    A modem terminates a digital local loop

    C

    A CSU/DSU terminates an analog local loop

    D

    A modem terminates an analog local loop

    E

    A router is commonly considered a DTE device

    F

    A router is commonly considered a DCE device


    正确答案： D,A
    解析： 暂无解析

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