Q.The number of layers in ISO-OSI reference model is
Correct answer: 7
Explanation
OSI stands for 'Open System Interconnection'. It is a seven layers in ISO-OSI reference model is Application, Presentation, Session, Transport, Network, Data Link and Physical layer. Each layer uses a protocol to perform its designated function, for exa - the data link layer uses error detection protocols for error control functions.
OSI stands for 'Open System Interconnection'. It is a seven layers in ISO-OSI reference model is Application, Presentation, Session, Transport, Network, Data Link and Physical layer. Each layer uses a protocol to perform its designated function, for exa - the data link layer uses error detection protocols for error control functions.