Which basic security service protects against alteration of data while it is in transit?

IT Questions BankCategory: IoT SecurityWhich basic security service protects against alteration of data while it is in transit?

Which basic security service protects against alteration of data while it is in transit?

  • replay protection
  • message confidentiality
  • message integrity
  • access control

Explanation: 802.15.4 operates at the OSI physical and data link layers. There are four basic security services performed at the data link layer:

  • Access control - prevents unauthorized devices from joining the network
  • Message integrity - protects against alteration of data while it is in transit
  • Message confidentiality - prevents threat actors from reading the transmitted data
  • Replay protection - prevents threat actors from successfully capturing legitimate messages and sending them out on the network at a later time

Exam with this question: IoT Security 1.1 Chapter 4 Quiz Answers

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