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Answers

Chapter 1

  1. For each of the following IoT components, identify whether it belongs to the upper stack or the lower stack and explain why.
  • 1.1 Upper stack - It deals with user interaction and control applications.
  • 1.2 Lower stack - It involves data collection from the environment.
  • 1.3 Lower stack - It handles data transport and protocol translation.
  • 1.4 Upper stack - It focuses on data processing and analytics.
  • 1.5 Lower stack - It manages device operations and hardware control.
  1. Determine whether the following statements are true or false.
  • 2.1 False - Edge computing is generally considered part of the lower stack.
  • 2.2 False - These are aspects of the upper stack.
  • 2.3 True - It involves hardware (lower stack) and application (upper stack) components.
  • 2.4 False - They are used for low-bandwidth, short-range communication.
  • 2.5 True - Predictive maintenance uses processed data and analytics from the upper stack.Ver 6.0.5
Last change: 2026-02-05