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Learn Java for Android Development, Second Edition by Jeff Friesen

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Chapter    12

Accessing Networks

Applications often need to access networks to acquire resources (e.g., images) or to communicate with remote executable entities (e.g., web services). A network is a group of interconnected nodes (computing devices such as tablets and peripherals such as scanners or laser printers) that can be shared among the network’s users.

Note   An intranet is a network located within an organization and an internet is a network connecting organizations to each other. The Internet is the global network of networks.

Intranets and internets often use TC P/IP (http://en.wikipedia.org/wiki/TCP/IP_model) to communicate between nodes. TCP/IP includes Transmission Control Protocol (TCP), which is a connection-oriented protocol; ...

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