What are three functions of the upper data link sublayer in the OSI model? (Choose three.)
- recognizes streams of bits
- identifies the network layer protocol
- makes the connection with the upper layers
- identifies the source and destination applications
- insulates network layer protocols from changes in physical equipment
- determines the source of a transmission when multiple devices are transmitting
Exam with this question: Network Fundamentals - CCNA Exploration 1: ENetwork Chapter 9 Exam
Please login or Register to submit your answer