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For a DWDM system, the wavelength selection and frequency spacing comply with（），recommendation while that of a CWDM system comply with the requirements of （）。
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更多 “For a DWDM system, the wavelength selection and frequency spacing comply with（），recommendation while that of a CWDM system comply with the requirements of （）。” 相关考题
考题
铁路传输设备主要包括()等设备。
A.DWDM、SDH、OLT、ONU、PCMB.DWDM、SDH、PDH、OLT、ONUC.DWDM、SDH、MSTP、ASON、PDHD.OLT、ONU、PDH、DDF、VDF
考题
For lasers with tightly controlled wavelengths, approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system?()
A. 0.4 nanometersB. 0.6 nanometersC. 0.8 nanometersD. 1.2 nanometersE. 1.6 nanometers
考题
Click the Exhibit button. The exhibit shows a 15454／15216 DWDM system and alarm indications. What are two possible sources of trouble shown in the system?() (Choose two.)
A. fiber failure between Sites A and dB. EDFA failure at Site A (clockwise direction)C. EDFA failure at Site C (clockwise direction)D. 15216 multiplexer at Site A (counter-clockwise direction)E. OADM pass-through (West OUT) failure at site D (clockwise)F. wavelengths 1 and 3 transmitter failures at Site A (clockwise direction)
考题
Dense Wavelength Division Multiplexing (DWDM) is an important innovation in optical networks.Which two descriptions best define DWDM?()
A. optical technology for transmitting up to 32 channels over multiple fiber strandsB. optical technology for transmitting up to 16 channels over multiple fiber strandsC. a WDM system that is compatible with EDFA technologyD. a technology for transmitting more closely packed optical signals using more sophisticated transceiver designs than CWDM .
考题
铁路传输设备主要包括（）等设备。A、DWDM、SDH、OLT、ONU、PCMB、DWDM、SDH、PDH、OLT、ONUC、DWDM、SDH、MSTP、ASON、PDHD、OLT、ONU、PDH、DDF、VDF
考题
Dense Wavelength Division Multiplexing (DWDM) is an important innovation in optical networks.Which two descriptions best define DWDM?（）A、optical technology for transmitting up to 32 channels over multiple fiber strandsB、optical technology for transmitting up to 16 channels over multiple fiber strandsC、a WDM system that is compatible with EDFA technologyD、a technology for transmitting more closely packed optical signals using more sophisticated transceiver designs than CWDM .
考题
For lasers with tightly controlled wavelengths, approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system?（）A、0.4 nanometersB、0.6 nanometersC、0.8 nanometersD、1.2 nanometersE、1.6 nanometers
考题
What two descriptions best define DWDM？ （）A、 a WDM system that is compatible with EDFA technologyB、 an optical technology for transmitting up to 16 channels over multiple fiber strandsC、 an optical technology for transmitting up to 32 channels over multiple fiber strandsD、 a technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDME、 a technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM
考题
单选题在向用户介绍DWDM网络时，有时候需要解释DWDM的英文全写，关于DWDM的两个“D”英文全写分别是（）A
Dense；DivisionB
Division；DenseC
Dense；DistributionD
Meissner；Division
考题
单选题For lasers with tightly controlled wavelengths, approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system?（）A
0.4 nanometersB
0.6 nanometersC
0.8 nanometersD
1.2 nanometersE
1.6 nanometers
考题
单选题For lasers with tightly controlled wavelengths， approximately how far apart are the centers of adjacent wavelengths when 100 GHz spacing is used in a DWDM system？ （）A
0.4 nanometersB
0.6 nanometersC
0.8 nanometersD
1.2 nanometersE
1.6 nanometers
考题
多选题What two descriptions best define DWDM？ （）Aa WDM system that is compatible with EDFA technologyBan optical technology for transmitting up to 16 channels over multiple fiber strandsCan optical technology for transmitting up to 32 channels over multiple fiber strandsDa technology for transmitting multiple optical signals using less sophisticated transceiver designthen CWDMEa technology for transmitting more closely packed optical signals using more sophisticatedtransceiver designs than CWDM
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