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.
The Age of Exploration began in the nation of Portugal under the leadership of Henry the Navigator. Henry sent out ships to map and explore the west coast of Africa. They went further south than any previous European expedition and mapped much of western Africa for the Portuguese.