Cisco
650-756 · Question #10
What is the reason that OEO conversion is used?
The correct answer is D. Historically, only short-reach wavelengths have been used between devices inside the POP environment and not DWDM wavelengths directly. See the full explanation below for the reasoning.
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.
How the community answered
(58 responses)- A3% (2)
- B17% (10)
- C9% (5)
- D71% (41)
Community Discussion
No community discussion yet for this question.