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

CISSP Exam Note (Domain 2: Telecommunications and Networking Security) – Common Back-up Problems

December 3, 2009 · Posted in Information Security, Information Systems · Comment 

Common Backup Problems

  • Slow transfer of data to back-up
    • Retrieval time to restore
    • Off-hour processing and monitoring
  • Server disk space expands over time
  • Loss of data between last back-up
  • Physical security of tapes Read more

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