A subnetwork, or subnet, is a logical, visible subdivision of an IP network. The practice of dividing a network into two or more networks is called subnetting. Computers that belong to a subnet are addressed with a common, identical, most-significant bit-group in their IP address.
Introduction. Vasco da Gama was born in 1460 to a wealthy Portuguese family in Sines, Portugal. Vascoâs father was also an explorer and was supposed to make the epic journey from Portugal to India that would eventually make his son famous.
Columbus lands in South America. Italian explorer Christopher Columbus sets foot on the American mainland for the first time, at the Paria Peninsula in present-day Venezuela. Thinking it an island, he christened it Isla Santa and claimed it for Spain. Columbus was born in Genoa, Italy, in 1451.