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3 Written Questions

2 Multiple Choice Questions

  1. Defines physical means of sending data over network devices. Interfaces between network medium and devices. Defines optical, electrical and mechanical characteristics.
  2. Defines interface-to-user processes for communication and data transfer in network. Provides standardized services such as virtual terminal, file and job transfer and operations.

2 True/False Questions

  1. Layer 3: Network LayerManages user sessions and dialogues. Controls the establishment and termination of logic links between users. Reports upper layer errors.


  2. Layer 2: Data Link LayerDefines procedures for operating the communication links. Frames packets. Detects and corrects packets transmit errors.


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