What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)A、fiber dispersionB、signal attenuationC、transmitter powerD、amplifier bandwidthE、receiver dispersion tolerance
What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)
- A、fiber dispersion
- B、signal attenuation
- C、transmitter power
- D、amplifier bandwidth
- E、receiver dispersion tolerance
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What three in combination are factors that can cause four-wave mixing in fiber-optic cables？（）A、 low optical poweB、 high optical powerC、 few optical channelsD、 many optical channelsE、 low chromatic dispersionF、 high chromatic dispersionG、 too much power differential in the optical channels
What are three factors that limit the maximum distance of an amplified optical signal without regeneration？ （）A、 fiber dispersionB、 signal attenuationC、 transmitter powerD、 amplifier bandwidthE、 receiver dispersion tolerance
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
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What are three current business factors that are influencing customer decisions in making technology investments?（）A、return on investmentB、competitivenessC、number of product featuresD、day one costsE、regulationF、availability of budget
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多选题What are three factors used to determine the amount of bandwidth that is required for a single VoIP call？（）AcodecBlink speedCLayer 2 encapsulationDpacket overhead （IP/UDP/RTP）Elink delayFtotal number of simultaneous calls that are allowed
多选题What are three factors that limit the maximum distance of an amplified optical signal without regeneration? （）(Choose three.)Afiber dispersionBsignal attenuationCtransmitter powerDamplifier bandwidthEreceiver dispersion tolerance
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多选题What are three current business factors that are influencing customer decisions in making technology investments?（）Anumber of product featuresBreturn on investmentCcompetitivenessDregulationEday one costsFavailability of budget