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System Operation and Support - Coggle Diagram
System Operation and Support
Maintenance tasks
Adaptive Maintenance
Adds enhancements to an operational system and makes the system easier to use
Perfective Maintenance
Making changes in an operational system to make it more efficient, reliable or maintainable
Preventative Maintenance
changes to an operational system that reduce the possibility of future problems
Corrective Maintenance
Diagnoses and corrects errors in an operational system
Configuration Management is important because it is a process for controlling changes which manage system changes
Release Methodology
Pros
Reduces/loosen documentation burden
Cons
New features and upgrades are less often available
Used to keep track of maintenance changes and its changes is documented and installed as a new version
Terms
Response time
Overall time between a request
Bandwidth
Describes the amount of data that the system can transfer in a fixed time period
Throughput
Measures actual system performance under specific circumstances
Turn Around Time
Measures time between submitting a request of information and the fulfillment of the request