SSC General Science & Technology Sample Paper NCERT Sample Paper-4

  • question_answer
    Consider the following statements about Disruption Tolerant Networking (DTN) Protocol:
    1. The DTN programme establishes a Long-term, reading accessible communications test-bed on board the International Space Station (ISS).
    2. It could offer a more robust way to send data over the vast distances.
    3. It could be the future way to communicate with astronauts on Mars. Which of the statements given above are correct?

    A)  1 and 2

    B)  2 and 3

    C)  1 and 3

    D)  All of these

    Correct Answer: D

    Solution :

    [d] The DTN is similar to the internet on Earth, but is much more tolerant to the delays and disruptions that are likely to occur when data is shuttling between planets, satellites, space stations and distant space craft.

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