In a token ring network the transmission speed is 10^7 bps and the propagation speed is 200 metres/micro second. The 1-bit delay in this network is equivalent to:In a token ring network the transmission speed is 10^7 bps and the propagation speed is

• A. 200 metres of cable.
• B. 500 metres of cable. .
• C. 50 metres of cable.
• D. 20 metres of cable