DEFINITION 1: The focal point of a concave lens is the point where light rays parallel to the axis seem to diverge from after passing through the lens. The distance from the lens to this point is called the focal length of the lens.
Sniffers. Tweet. Submit article. A sniffer, also known as a network analyzer, packet sniffer or ethernet sniffer, is a computer program that monitors and analyzes network traffic transmitted from one network location to another. A sniffer captures each packet sent, decodes it and allows to view its content.niffers. Tweet. Submit article. A sniffer, also known as a network analyzer, packet sniffer or ethernet sniffer, is a computer program that monitors and analyzes network traffic transmitted from one network location to another. A sniffer captures each packet sent, decodes it and allows to view its content.
Alley Cat Rescue. 1  Alley Cat Rescueâs (ACR) commitment is to help stray and outdoor community cats in the United States and around the world, by promoting humane nonlethal care to improve catsâ lives. ACR works to reduce the number of feral cats living in colonies through a proven method called Trap-Neuter-Return (TNR). â. Vision Statement.