CISSP Exam Note (Domain 2: Telecommunications and Networking Security) – Protocols

Protocols – a standard set of rules that determines how computers communicate with each other across networks despite their differences

Layered architecture

  • Shows how communication should take place
  • Clarify the general functions of a communication process
  • To break down complex networking processes into more manageable sub-layers
  • Using industry standard interfaces enables interoperability
  • To change the features of one layer without changing the code in every layer
  • Easier troubleshooting Read more

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