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How long does it take a packet of length 1,000 bytes to propagate over a link of distance 2,500 km, propagation speed 2.5 * 108 m/s, and transmission rate 2 Mbps? Does this delay depend on packet length? Does this delay depend on transmission rate?
  • a)
    10 msec; yes; yes
  • b)
    10 msec; no; yes
  • c)
    10 μsec; no; no
  • d)
    None of these
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
How long does it take a packet of length 1,000 bytes to propagate ove...
here, length of link= 2500 Km
Propagation Speed= 2.5 × 108 m/s
Propagation delay= 2500 × 103/ 2.5 * 108 = 10 msec
Also, Propagation delay is independent of packet length as well as transmission rate.
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Most Upvoted Answer
How long does it take a packet of length 1,000 bytes to propagate ove...
Explanation:

The time taken for a packet to propagate over a link can be calculated using the formula:

Propagation delay = distance / propagation speed

In this case, the propagation delay is:

Propagation delay = 2,500 km / 2.5 * 10^8 m/s = 0.01 seconds or 10 milliseconds

The delay does not depend on packet length or transmission rate, as it is purely a function of the physical distance and speed of propagation.

Therefore, the correct answer is option D, none of these.
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How long does it take a packet of length 1,000 bytes to propagate over a link of distance 2,500 km, propagation speed 2.5 * 108 m/s, and transmission rate 2 Mbps? Does this delay depend on packet length? Does this delay depend on transmission rate?a)10 msec; yes; yesb)10 msec; no; yesc)10 μsec; no; nod)None of theseCorrect answer is option 'D'. Can you explain this answer?
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