Multiple choice

The physical layer must ensure that if one host sends 1 bit, the other must receive

  1. 0 bit

  2. 1 bit

  3. both (1) and (2)

  4. none of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Similar to the 0 bit case, the physical layer must ensure that a transmitted 1 bit is received as a 1 bit to maintain data accuracy.