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    Question

    What are the different modes of fiber optic

    communication?
    A Zero mode and multimode Correct Answer Incorrect Answer
    B Single mode and multimode Correct Answer Incorrect Answer
    C Zero mode and single mode Correct Answer Incorrect Answer
    D Zero mode, single mode and multimode Correct Answer Incorrect Answer

    Solution

    • Why Correct: Fiber optics uses two modes:
      • Single Mode Fiber (SMF): Long-distance, small core, high bandwidth.
      • Multimode Fiber (MMF): Short-distance, large core, cheaper.
    • Why Others are Wrong:
      • Zero mode: Not a valid classification.
      • Options 1, 3, 4: Contain тАЬzero mode,тАЭ which is invalid.

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