Test Your Knowledge

   

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1:	The order of the top four OSI layers from top to bottom is: transport, presentation, application, session application, presentation, session, transport application, session, presentation, transport presentation, session, transport, application
2:	What is the function of the network layer? host addressing and routing starting a communication session end-to-end error detection end-to-end error correction
3:	Peer protocols are used between: two adjacent layers in the OSI protocol suite any two layers in the OSI protocol suite the same layers of the OSI protocol suite on two hosts communicating with each other different layers of the OSI protocol suite on two hosts communicating with each other
4:	Which OSI layer is divided into Logical Link Control (LLC) and Medium Access Control (MAC)? the network layer the transport layer the physical layer the data link layer
5:	What is not true about the OSI model? It is a seven-layer protocol. Support of exchanging data formats is provided in the presentation layer. Routing takes place at the session layer. Data packets at the data link layer are called frames .

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