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3 Written questions

2 Multiple choice questions

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

2 True/False questions

  1. Layer 4: Transport LayerManages 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. Layer 6: Presentation LayerMasks the differences of data formats between dissimilar systems. Specifies architecture-independent data transfer format. Encodes and decodes data; encrypts and decrypts data; compresses and decompresses data.


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