Appendix A Answers to Written Labs
Chapter 1: Internetworking
Written Lab 1.1: OSI Questions
- The Application layer is responsible for finding the network resources broadcast from a server and adding flow control and error control (if the application developer chooses).
- The Physical layer takes frames from the Data Link layer and encodes the 1s and 0s into a digital or analog (Ethernet or wireless) signal for transmission on the network medium.
- The Network layer provides routing through an internetwork and logical addressing.
- The Presentation layer makes sure that data is in a readable format for the Application layer.
- The Session layer sets up, maintains, and terminates sessions between applications.
- PDUs at the Data Link layer are called ...
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