Cisco
650-756 · Question #10
650-756 Question #10: Real Exam Question with Answer & Explanation
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Question
What is the reason that OEO conversion is used?
Options
- ATraffic analysis is easier with electrical signals, so OEO is introduced at every data communication junction point to conduct government oversight of traffic and potential corporate espionage.
- BOEO increases available fan-out and is used to increase the number of possible connections in access layer.
- CThere are data rate benefits of electrical signals to prevent congestion on conversion points.
- DHistorically, only short-reach wavelengths have been used between devices inside the POP environment and not DWDM wavelengths directly.
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