CISSP Exam Note (Domain 2: Telecommunications and Networking Security) – Protocols
January 11, 2010 · Posted in Information Security, Information Systems, Information Technology · Comment
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
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

