An optical disc with a 4.7GB MAXIMUM storage capacity is likely which of the followingtechnologies?（）A、DVD-RWB、CD-RWC、BD-ROMD、BD-RW
An optical disc with a 4.7GB MAXIMUM storage capacity is likely which of the followingtechnologies?（）
- A、DVD-RW
- B、CD-RW
- C、BD-ROM
- D、BD-RW
相关考题：
无源光网络由哪些部分构成?() A.OLT（Optical Line Terminal）－光线路终端B.ONU（Optical NetworkUnit）－光网络单元C.ONT（Optical Network Terminal）－光网络终端D.ODN（Optical Distribution Network）－光分配网
【GSM协议与标准】挂机之后A接口资源清除的顺序为(拆线－DISC,清除BSS资源－CLEAR,释放－REL):() A.DISC-REL-CLEARB.REL-DISC-CLEARC.CLEAR-REL-DISCD.CLEAR-DISC-REL
Which of the following is NOT true about the gravity disc? A.The location of the interface can be changed by exchanging the diameter of the gravity discB.A.larger diameter of gravity disc can cause the interface is far away from bow centerC.disc should not break the The diameter of gravity water sealD.In practice, the use of nomogram is the best oA530 operation
An optical disc with a 4.7GB MAXIMUM storage capacity is likely which of the followingtechnologies?() A. DVD-RWB. CD-RWC. BD-ROMD. BD-RW
What three in combination are factors that can cause four－wave mixing in fiber－optic cables? ()(Choose three.) A. low optical powerB. high optical powerC. few optical channelsD. many optical channelsE. low chromatic dispersionF. high chromatic dispersionG. too much power differential in the optical channels
在通信专业中，PON的英文全称是（ ），衰减英文通常翻译为（ ） 。A．Private Optical Network B．Passive Optical Network C．Private Optical Node D．Protected Optical Node A．attenuation B．loss C．fading D．decline
In the OSNR model for EDFA amplifiers, SNR OUT = 1/(1/SNR IN + FhvB/P IN ), what does SNR IN represent?（）A、the signal to noise of the current optical amplifierB、the signal to noise of the previous amplifier or sourceC、the signal to noise introduced by the optical multiplexerD、the accumulated noise to signal ratio of the optical channel
What three in combination are factors that can cause four-wave mixing in fiber-optic cables? （）(Choose three.)A、low optical powerB、high optical powerC、few optical channelsD、many optical channelsE、low chromatic dispersionF、high chromatic dispersionG、too much power differential in the optical channels
OWM的英文全称是（）A、Optical Wavelength MultiplexB、Optical wavelength MonitorC、Optical wavelength MemoryD、All are right
无源光网络由哪些部分构成？（）A、OLT（Optical Line Terminal）－光线路终端B、ONU（Optical NetworkUnit）－光网络单元C、ONT（Optical Network Terminal）－光网络终端D、ODN（Optical Distribution Network）－光分配网
【GSM协议与标准】挂机之后A接口资源清除的顺序为（拆线－DISC，清除BSS资源－CLEAR，释放－REL）：（）A、DISC-REL-CLEARB、REL-DISC-CLEARC、CLEAR-REL-DISCD、CLEAR-DISC-REL
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
Which device creates an OEO conversion？ （）A、 amplifierB、 attenuatorC、 regeneratorD、 light emitterE、 optical switchF、 optical receiverG、 fiber-optic cable
SONET全称为（）A、synchronous optimized networkB、synchronous optical networkC、synthesis optimized networkD、synthesis optical network
单选题In the OSNR model for EDFA amplifiers， SNR OUT = 1/（1/SNR IN + FhvB/P IN ）， what does SNR IN represent？（）A the signal to noise of the current optical amplifierB the signal to noise of the previous amplifier or sourceC the signal to noise introduced by the optical multiplexerD the accumulated noise to signal ratio of the optical channel
单选题The （） of the gravity disc is too big It causes oil to flow through the water outletWe changed the disc and no oil is found in the water outlet.AgravityBdiameterCcircumferenceDcylinder
单选题The diameter of the gravity disc is too big It causes oil to flow through the water outlet We changed the disc and no （） is found in the water outlet.AwaterBoilCscaleDridge
多选题What three in combination are factors that can cause four-wave mixing in fiber-optic cables？（）Alow optical poweBhigh optical powerCfew optical channelsDmany optical channelsElow chromatic dispersionFhigh chromatic dispersionGtoo much power differential in the optical channels
单选题【GSM协议与标准】挂机之后A接口资源清除的顺序为（拆线－DISC，清除BSS资源－CLEAR，释放－REL）：（）ADISC-REL-CLEARBREL-DISC-CLEARCCLEAR-REL-DISCDCLEAR-DISC-REL
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
单选题An optical disc with a 4.7GB MAXIMUM storage capacity is likely which of the followingtechnologies?（）ADVD-RWBCD-RWCBD-ROMDBD-RW
多选题What three in combination are factors that can cause four-wave mixing in fiber-optic cables? （）(Choose three.)Alow optical powerBhigh optical powerCfew optical channelsDmany optical channelsElow chromatic dispersionFhigh chromatic dispersionGtoo much power differential in the optical channels
单选题Which device creates an OEO conversion？ （）A amplifierB attenuatorC regeneratorD light emitterE optical switchF optical receiverG fiber-optic cable