Find the bit length of a LAN if the data rate is 1 Gbps and

Find the bit length of a LAN if the data rate is 1 Gbps and the medium length in meters for a communication between two stations is 200 m. Assume the propagation speed in the medium is 2 *10^8 m/s.

Solution

Answer:

Formula for Bit length = (length / propagation speed) . rate + (No. of stations · bit delay at repeater)

= (200 / (2*10^8)) x 1Gbps + ( 2x 1)

= 10^-6 x 1000 Mbps + 2

= 10^3 Mbps+2

= 1 000 000 000 +2

=1 000 000 002 bits