{"id":8,"date":"2015-08-19T01:42:43","date_gmt":"2015-08-19T01:42:43","guid":{"rendered":"http:\/\/wiki.thomasandsofia.com\/?p=8"},"modified":"2016-07-17T16:17:23","modified_gmt":"2016-07-17T16:17:23","slug":"ccent-1-s01-e03-living-in-the-osi-model","status":"publish","type":"post","link":"https:\/\/wiki.thomasandsofia.com\/?p=8","title":{"rendered":"CCENT 1 S01 E03 – Living in the OSI Model"},"content":{"rendered":"\n\n\n\n\n\n\n\n\n\n
Process<\/th>\nDefinition<\/th>\n<\/tr>\n
A<\/span><\/strong>pplication<\/td>\nProvides an interface that allows applications to communicate across a network.<\/td>\n<\/tr>\n
P<\/strong><\/span>resentation<\/td>\n“Generifies” the data. \u00a0Makes the data generic and compliant to standards. \u00a0Also includes generic encryption services.<\/td>\n<\/tr>\n
S<\/strong><\/span>ession<\/td>\nStarts and ends a session. \u00a0Logically keeps all sessions separate.<\/td>\n<\/tr>\n
\n\n<\/td>\n<\/tr>\n
T<\/strong><\/span>ransport<\/td>\nDefines how the data is sent. Reliably (TCP) or Unreliably (UDP – for Real Time Applications like VoIP) \u00a0Also defines well known port numbers.<\/td>\n<\/tr>\n
N<\/strong><\/span>etwork<\/td>\nProvides “logical” addressing (aka IP address). \u00a0Also finds best path to a destination.<\/td>\n<\/tr>\n
D<\/strong><\/span>ata Link<\/td>\nProvides “Physical” addressing (MAC Address). \u00a0Ensures data is error free.<\/td>\n<\/tr>\n
P<\/strong><\/span>hysical<\/td>\nCables, NIC, Switches, etc. \u00a0Converts all logical information above into electrical signals.<\/td>\n<\/tr>\n<\/table>\n

All People Seem To Need Data Processing
\nPlease Do Not Throw Sausage Pizza Away<\/p>\n

What is the OSI Model?
\nA system that helps break down network functions<\/p>\n

What does the OSI Model do?
\nCreates standards for equipment manufacturer.
\nAllows vendors to focus on specific areas of the model<\/p>\n","protected":false},"excerpt":{"rendered":"

Process Definition Application Provides an interface that allows applications to communicate across a network. Presentation “Generifies” the data. \u00a0Makes the data generic and compliant to standards. \u00a0Also includes generic encryption services. Session Starts and ends a session. \u00a0Logically keeps all sessions separate. Transport Defines how the data is sent. Reliably (TCP) or Unreliably (UDP – ..<\/p>\n

<\/div>\n

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