Crossword

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Across
  1. 2. What technology is used to protect IoT devices from unauthorized access?
  2. 4. What is the most widely used mobile operating system?
  3. 5. What is a device that measures atmospheric pressure?
Down
  1. 1. What is the term used for a set of rules and guidelines for the exchange of data over a network?
  2. 3. What technology is used to enable low-power communication between IoT devices?