Data link layer Teaching unitCourses:COMPUTER NETWORKSYear: Year 2 of Bachelor's in Computer Engineering in Information TechnologiesDegree: Bachelor's in Computer Engineering in Information TechnologiesDescriptionDefinition of service. Demarcation of frames. Detection and correction of errors. Flow control. Error handling. Data link layer protocols.ObjectivesTo understand the detection and correction error mechanismsTo know the flow control mechanismsTo know HDLC protocolUnderstand framming mechaninsms and frame synchronizationSubjectsLecture topicsIntroduction to data link levelAddressingError detection and correctionForwarding error correctionAlgebraic representation of data blockError codes performanceFrammingFlow control and error recoveryData link layer protocolsHDLCLaboratory topicsData link protocols.HDLC protocol