Network Models Study Notes

  The International Standards Organization created a model called the Open Systems Interconnection, which allows diverse systems to communicate.   The seven-layer OSI model provides Read More »

Switching network Study notes

  A switched network consists of a series of interlinked nodes, called switches. Traditionally’ three methods of switching have been important: circuit switching, packet switching, Read More »

SONET ISDH Study Notes

Synchronous Optical Network (SONET) is a standard developed by ANSI for fiber-optic networks: Synchronous Digital Hierarchy (SDH) is a similar standard developed by ITU-T. SONET Read More »

Network Management: SNMP Study Notes

The five areas comprising network management are configuration management, fault management, performance management, accounting management, and security management. Configuration management is concerned with the physical Read More »

Multimedia Study Notes

Audio/video files can be downloaded for future use (streaming stored audio/video) or broadcast to clients over the Internet (streaming live audio/video). The Internet can also Read More »