networking

 NATURAL DISASTER what are natural disasters and how can we protect ourselves from them. natural disasters are part of nature, something we can't predict nor stop . for example- earthquakes, tsunamis .  But we can protect ourselves from it. earthquakes- it's a shaking of the earth's surface to release energy in the earth's lithosphere to form seismic waves. tsunami- occurs when an earthquake occurs in the ocean or sea.   some methods to protect from earthquakes are-  some methods for tsunamis are

  networking   The nodes of a computer network may include  personal computers ,  servers ,  networking hardware , or other specialized or general-purpose  hosts . They are identified by  network addresses  and may have  hostnames . Hostnames serve as memorable labels for the nodes, rarely changed after initial assignment. Network addresses serve for locating and identifying the nodes by communication protocols such as the  Internet Protocol . Computer networks may be classified by many criteria, including the   transmission medium   used to carry signals,   bandwidth ,   communications protocols   to organize network traffic, network size, the topology,   traffic control   mechanism, and organizational intent.