Hello can you answer my questions please ? i have last 20 min

Two stations working with the Ethernet 10Mbp half duplex protocol are separated by the link shown in the figure. Calculate the allowable length of the second fragment so that the transmitting system can detect the collision. Give the result in meters, rounding to the nearest whole number 40(13 Puan) 2 Network prefixes are advertised by RIP protocol. Which route will be used by the computers in LAN1 to communicate with the computers in LAN2? [4. (4 Puan) D. B. A D. B.C D. E. F