<span>In the scenario in which the IT department is reporting that a company web server is receiving an abnormally high number of web page requests from different locations simultaneously the DDoS security attack is occurring.
</span>DDos stands for Distributed Denial of Service<span> . This </span><span>attack is an attempt to make an online service unavailable by overwhelming it with traffic from multiple sources.</span>
The Internet is an example of a WAN: Wide Area Network
Generations of Computers
The computers of today find their roots in the second half of the twentieth century. Later as time progressed, we saw many technological improvements in physics and electronics. This has eventually led to revolutionary developments in the hardware and software of computers. In other words, soon the computer started to evolve. Each such technological advancement marks a generation of computers.