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5.4 SYSTEM SUPPORT AND SECURITY - Coggle Diagram
5.4 SYSTEM SUPPORT AND SECURITY
SYSTEM SUPPORT AND SECURITY
System performance
Security requirements
User expectations
3 MAIN CONCERNS
SYSTEM SUPPORT AND SECURITY PHASED
A system becomes operational and continues until the system reaches the end of its useful life
User support
User training
Help desks
TYPES OF MAINTENANCE
Changing programs, procedures, or documentation to ensure correct system performance
Adapting the system to changing requirements, and making the system operate more efficiently
SYSTEM MAINTENANCE TOOLS
Automated documentation
Network activity monitor
Reengineering tools
Workload forecasting tool
SYSTEM SECURITY
Protecting the system from theft, unauthorized access and changes, and accidental or accidental harm
Security involves protecting all the parts of computer system
Data
Software
Hardware
BACKUP AND RECOVERY
Backup copies stored in secure remote place particularly necessary for disaster recovery
Recovery involves restoring the data and restarting the system after all interruption