Comparison of even-toed ungulate and cetaceans genetic material has shown that the closest living relatives of whales and hippopotamuses is the paraphyletic group Artiodactyla. Dan Graur and Desmond Higgins were among the first to come to this conclusion, and included a paper published in 1994.
Definition of roundâtrip. : a trip to a place and back usually over the same route.
Approximate round trip times in milli-seconds: Minimum = 0ms, Maximum = 0ms, Average = 0ms. In this example, the IP layer returned an ICMP error message that Ping interpreted. If the router is a PMTU black hole router, the ICMP Echo Reply sent by Ping cannot be answered once its size exceeded the MTU of the next hop.