also: ピン
noun
Computing term for sending a test packet to check connectivity or measure latency. Also used as a verb in Japanese (e.g., ピングを打つ, ピングする).
サーバーにピングを送って応答を確認する。
Send a ping to the server and check the response.
ネットワークの遅延を調べるためにピングを打つ。
I ping to check the network latency.
Borrowed from English 'ping', originally an onomatopoeic term for a sonar pulse, adopted in computing for the network diagnostic tool.