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3 Written questions

2 Multiple choice questions

  1. Manages user sessions and dialogues. Controls the establishment and termination of logic links between users. Reports upper layer errors.
  2. Manages end-to-end message delivery in network. Provides reliable and sequential packet delivery through error recovery and flow control mechanisms. Provides connectionless oriented packet delivery.

2 True/False questions

  1. Layer 1: Physical LayerDefines physical means of sending data over network devices. Interfaces between network medium and devices. Defines optical, electrical and mechanical characteristics.


  2. Layer 2: Data Link LayerDetermines how data are transferred between network devices. Routes packets according to unique network device addresses. Provides flow and congestion control to prevent network resource depletion.


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