01. Which statements correctly identify the role of intermediary devices in the network? (Choose three.)

  • determine pathways for data
  • initiate data communications
  • retime and retransmit data signals
  • originate the flow of data
  • manage data flows
  • final termination point for data flow

02. Select the statements that are correct concerning network protocols. (Choose three.)

  • define the structure of layer specific PDU’s
  • dictate how to accomplish layer functions
  • outline the functions necessary for communications between layers
  • limit the need for hardware compatibility
  • require layer dependent encapsulations
  • eliminate standardization among vendors

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