CIMM DEFINITION: An electronic pulse sent to a Set-Top Box to garner data through the backchannel.

2: A computer network administration utility used to test whether a particular host is reachable across an Internet Protocol (IP) network and to measure the round-trip time for packets sent from the local host to a destination computer, including the local host’s own interfaces. (Source: Wikipedia)

3: A network utility used to test whether a computing device is reachable via an Internet Protocol (IP) network, and measure round trip communication time. In practice, no other data is transmitted via “ping”. (Source: FourthWall Media)