Network Security Observations by Gianni Alexander Vazquez https://padlet.com/10312036/byw7czq5uccm Made with collective thought en-us 2016-09-21 21:11:59 UTC 2026-01-17 01:45:56 UTC hello@padlet.com The network security map shows different layers of security for multiple different networks online. 10312036 https://padlet.com/10312036/byw7czq5uccm/wish/125567735 2016-09-21 21:31:49 UTC https://padlet.com/10312036/byw7czq5uccm/wish/125567735 10312036 https://padlet.com/10312036/byw7czq5uccm/wish/125568115 The OSI Model shows a physical layer, data link layer, network layer, transport layer, session layer, presentation layer, and application layer.]]> 2016-09-21 21:35:51 UTC https://padlet.com/10312036/byw7czq5uccm/wish/125568115 The physical layer defines physical means of sending data over network devices, and interfaces between network medium and devices. 10312036 https://padlet.com/10312036/byw7czq5uccm/wish/125568361 2016-09-21 21:37:45 UTC https://padlet.com/10312036/byw7czq5uccm/wish/125568361 The data link layer defines procedures for operating the communication link, and provides framing, sequencing, and error correction. 10312036 https://padlet.com/10312036/byw7czq5uccm/wish/125568585 2016-09-21 21:39:34 UTC https://padlet.com/10312036/byw7czq5uccm/wish/125568585 The network layer 10312036 https://padlet.com/10312036/byw7czq5uccm/wish/125568819 2016-09-21 21:41:29 UTC https://padlet.com/10312036/byw7czq5uccm/wish/125568819 The network layer routes packets according to network addresses, and provides flow and congestion control. 10312036 https://padlet.com/10312036/byw7czq5uccm/wish/125568875 2016-09-21 21:41:54 UTC https://padlet.com/10312036/byw7czq5uccm/wish/125568875 The transport layer manages end-to-end message delivery in network, provides reliable and sequential packet delivery, and provides connectionless oriented packet delivery. 10312036 https://padlet.com/10312036/byw7czq5uccm/wish/125569131 2016-09-21 21:44:26 UTC https://padlet.com/10312036/byw7czq5uccm/wish/125569131 The session layer manages user session and dialogues, controls establishment and termination of logical links between users, and reports upper layer errors. 10312036 https://padlet.com/10312036/byw7czq5uccm/wish/125877089 2016-09-22 21:29:29 UTC https://padlet.com/10312036/byw7czq5uccm/wish/125877089 The presentation layer masks the differences of data formats between dissimilar systems, specifies architecture-independent data transfer formats, and encodes, encrypts, and compresses data. 10312036 https://padlet.com/10312036/byw7czq5uccm/wish/125877420 2016-09-22 21:32:42 UTC https://padlet.com/10312036/byw7czq5uccm/wish/125877420 The application layer defines interface to user processes for communication and data transfer in network, and provides standardized services such as virtual terminal, file, and job transfer, and operation. 10312036 https://padlet.com/10312036/byw7czq5uccm/wish/125877779 2016-09-22 21:36:15 UTC https://padlet.com/10312036/byw7czq5uccm/wish/125877779