^ is a ping.

^is a computer network tool used to test whether a particular host is reachable across an IP network, and also used to self test the network interface card of the computer, or as a speed test.

^ may give a lecture on tracert now.

^wants me to give a lecture on the network tool used to determine the route taken by packets across an IP network.

^ forgot about timings and DNS-lookups.

^forgot that I was summarizing

^ Is a lost packet

^ listens on random ports.

^ Does DoS attacks

^Attacks DOS