Which two things can be determined by using the ping command? $($Choose two.$)$ a$)$ the IP address of the router nearest the destination device b$)$ the average time it takes each router in the path between source and destination to respond c$)$ the destination device is reachable through the network d$)$ the average time it takes a packet to reach the destination and for the response to return to the source e$)$ the number of routers between the source and destination device