Результат выполнения команды PING для prof-psy.ru.:

PING prof-psy.ru (79.174.13.180) 56(84) bytes of data.
64 bytes from promcopy.ru (79.174.13.180): icmp_seq=1 ttl=57 time=1.98 ms
64 bytes from promcopy.ru (79.174.13.180): icmp_seq=2 ttl=57 time=1.78 ms
64 bytes from promcopy.ru (79.174.13.180): icmp_seq=3 ttl=57 time=1.58 ms
64 bytes from promcopy.ru (79.174.13.180): icmp_seq=4 ttl=57 time=1.65 ms
64 bytes from promcopy.ru (79.174.13.180): icmp_seq=5 ttl=57 time=1.70 ms

--- prof-psy.ru ping statistics ---
5 packets transmitted, 5 received, 0% packet loss, time 4004ms
rtt min/avg/max/mdev = 1.583/1.741/1.981/0.145 ms