Answers for Computer Networking Online Test | Mock Test

←Go Back to Online Practice Test

Ques. The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to

Option 1. 0.003

Option 2. 0.009

Option 3. 0.991

Option 4. 0.999

Ans. Option 2

Please provide the reason below. The best provided reason will be displayed with your name(if you are logged-in) on website.

Enter Reason

Is it helpful? Yes No