Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * of Splices) + (Connector Attenuation * of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations, what will the given formula provide

题目

Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * of Splices) + (Connector Attenuation * of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations, what will the given formula provide?()

A. fiber loss

B. OSNR level

C. post amplification

D. index of reflection

E. index of refraction

F. power post amplification budget


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更多“Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * of Splices) + (Connec ”相关问题
  • 第1题:

    What is the phenomenon called where different wavelengths of light travel at different speeds?()

    A.OSNR

    B.dispersion

    C.light skew

    D.attenuation


    参考答案:B

  • 第2题:

    What is the phenomenon called where different wavelengths of light travel at different speeds?()

    • A、 OSNR
    • B、 dispersion
    • C、 light skew
    • D、 attenuation

    正确答案:B

  • 第3题:

    How is attenuation measured?()

    • A、Fresnel units
    • B、decibels
    • C、EIRP
    • D、milliamperes
    • E、ohms

    正确答案:B

  • 第4题:

    Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * # of Splices) + (Connector Attenuation * # of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations,  what will the given formula provide?()

    • A、 fiber loss
    • B、 OSNR level
    • C、 post amplification
    • D、 index of reflection
    • E、 index of refraction
    • F、 power post amplification budget

    正确答案:A

  • 第5题:

    单选题
    A long splice in a line().
    A

    is used in running rigging

    B

    doubles the size of the line

    C

    is only used on fiber rope

    D

    is very weak


    正确答案: A
    解析: 暂无解析

  • 第6题:

    单选题
    What is the phenomenon called where different wavelengths of light travel at different speeds?()
    A

     OSNR

    B

     dispersion

    C

     light skew

    D

     attenuation


    正确答案: D
    解析: 暂无解析

  • 第7题:

    单选题
    If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km? ()
    A

     0 ps/nm

    B

     340 ps/nm

    C

     200 ps/nm

    D

     3400 ps/nm

    E

     More information is needed.


    正确答案: A
    解析: 暂无解析

  • 第8题:

    单选题
    在标准灯光(Standand Lights)的强度/颜色/衰减(Intensity/Color/Attenuation Rollout)卷展栏中,提供了多少种衰减类型?()
    A

    2

    B

    3

    C

    4

    D

    5


    正确答案: D
    解析: 暂无解析

  • 第9题:

    单选题
    Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * # of Splices) + (Connector Attenuation * # of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations, what will the given formula provide?()
    A

    fiber loss

    B

    OSNR level

    C

    post amplification

    D

    index of reflection

    E

    index of refraction

    F

    power post amplification budget


    正确答案: E
    解析: 暂无解析

  • 第10题:

    单选题
    How is attenuation measured?()
    A

    Fresnel units

    B

    decibels

    C

    EIRP

    D

    milliamperes

    E

    ohms


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    双绞线衰减(Attenuation)是沿链路的()损失度量。
    A

    电压

    B

    信号

    C

    电流

    D

    能量


    正确答案: C
    解析: 暂无解析

  • 第12题:

    单选题
    Given the formula: (Fiber Attenuation * Km) + (Splice Attenuation * # of Splices) + (Connector Attenuation * # of Connectors) + (Optical Fiber or OADM) + Buffer(Fiber aging)) With regard to SONET/SDH optical calculations,  what will the given formula provide?()
    A

     fiber loss

    B

     OSNR level

    C

     post amplification

    D

     index of reflection

    E

     index of refraction

    F

     power post amplification budget


    正确答案: F
    解析: 暂无解析

  • 第13题:

    A whipping on a fiber line ______.

    A.keeps the ends from fraying

    B.strengthens it

    C.protects your hands

    D.becomes part of a splice


    正确答案:A

  • 第14题:

    If the dispersion of a given fiber is 17ps/nm*km at 1550 nm and zero at 1310 nm, then what is the accumulated dispersion of an ITU wavelength after it travels 200 km? ()

    • A、 0 ps/nm
    • B、 340 ps/nm
    • C、 200 ps/nm
    • D、 3400 ps/nm
    • E、 More information is needed.

    正确答案:D

  • 第15题:

    衰减作用(attenuation)


    正确答案:一种翻译调控机制。在该机制中,核糖体沿着mRNA分子的移动的速率决定转录是进行还是终止。

  • 第16题:

    By how much is a signal’s strength reduced when the signal passes through an object thatintroduces 3 dB of attenuation?()

    • A、1/6
    • B、1/4
    • C、1/3
    • D、1/2

    正确答案:D

  • 第17题:

    单选题
    What approximates the signal attenuation of a plasterboard wall?()
    A

    Crowd of people

    B

    Office window

    C

    Metal door

    D

    Brick wall


    正确答案: C
    解析: 暂无解析

  • 第18题:

    单选题
    A whipping on a fiber line().
    A

    keeps the ends from fraying

    B

    strengthens it

    C

    protects your hands

    D

    becomes part of a splice


    正确答案: C
    解析: 暂无解析

  • 第19题:

    名词解释题
    消声sound attenuation;moise reduction sound deadening

    正确答案: 通过一定手段,对噪声加以控制,使其降低到容许范围内的技术。
    解析: 暂无解析

  • 第20题:

    名词解释题
    衰减作用(attenuation)

    正确答案: 一种翻译调控机制。在该机制中,核糖体沿着mRNA分子的移动的速率决定转录是进行还是终止。
    解析: 暂无解析

  • 第21题:

    单选题
    Which tool is used to open the strands of fiber lines when making an eye splice?()
    A

    Belaying spike

    B

    Fid

    C

    Heaver

    D

    Pricker


    正确答案: C
    解析: 暂无解析

  • 第22题:

    多选题
    What are two objectives of a pre-site survey walkthrough? ()
    A

    Identify potential problem areas

    B

    Define intended coverage areas

    C

    Access compliance with local building codes

    D

    Determine the final location of APs and antennas

    E

    Identify sources of RF signal attenuation and RF interference


    正确答案: B,A
    解析: 暂无解析

  • 第23题:

    名词解释题
    噪声自然衰减量natural attenuation quantity of noise

    正确答案: 通风和空气调节系统的噪声在传播过程中,由于气流同管壁的摩擦,部分声能转化为热能,以及管道截面变化和构造不同,部分声能反射回声源处,从而使噪声有所衰减的量。
    解析: 暂无解析