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.
Portuguese explorer Prince Henry, known as the Navigator, was the first European to methodically explore Africa and the oceanic route to the Indies. From his residence in the Algarve region of southern Portugal, he directed successive expeditions to circumnavigate Africa and reach India.he geography of North Africa has been reasonably well known since classical antiquity in Greco-Roman geography. Northwest Africa (the Maghreb) was known as either Libya or Africa, while Egypt was considered part of Asia.