The answer to this is "is a classification scheme"..hope that helped
Denial of Service Attack. If multiple machines are involved, it's a Distributed Denial of Service Attack.
<span>A pearl is not a mineral because it is created artificially. It is a gemstone, not a mineral because it is a composite of mineral Aragonite and a protein compound which is called conchiolin. Pearls are formed by organic and living organisms which is preserved to become a gemstone.</span>
We need more information for this one, please.