Did someone email you a CHK file and you're not sure how to open it? Maybe you have found a CHK file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a CHK file related error message. Before you can open a CHK file, you'll need to figure out what kind of file the CHK file extension refers to.
+100. Ping is the measure of latency (lag) from your computer to the server and back to your computer. A ping is sent to a server (which contains a packet of information 32 bits long, those are a combination of 32 0's and 1's) and then the server sends that back.ing is the amount of milliseconds it takes a packet of information to reach the server from you and back. Basically it's a measurement of connection speed, and it influences lag quite a lot.
That computer in turn copies the data and sends it back to your computer. Ping time reflects how long it takes to send and receive the data, measuring the network's responsiveness; it does not indicate network bandwidth, which measures how much data the network can transfer per second. Pinging also checks for packet loss -- data not returned by the target computer. Sending a Ping.