Chap 12 - Systems Analysis and Design 8th Edition Chapter...

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Systems Analysis and Design 8th Edition Chapter 12 Managing Systems Support and Security
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Phase Description Systems Operation, Support, and Security is the final phase in the systems development life cycle You will support and maintain the system, handle security issues, protect the integrity of the system and its data, and be alert to any signs of obsolescence The deliverable for this phase is an operational system that is properly maintained, supported, and secured 2
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Chapter Objectives Explain the systems support and security phase Describe user support activities, including user training and help desks Define the four types of maintenance Explain various techniques for managing systems maintenance and support 3
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Chapter Objectives Describe techniques for measuring, managing, and planning system performance Explain risk management concepts Assess system security at six levels: physical security, network security, application security, file security, user security, and procedural security 4
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Chapter Objectives Describe backup and disaster recovery List factors indicating that a system has reached the end of its useful life Assess future challenges and opportunities for IT professionals Develop a strategic plan for career advancement and strong IT credentials 5
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Introduction Managing systems support and security involves three main concerns: user expectations, system performance, and security requirements Successful, robust systems often need the most support In most organizations, more than half of all IT department effort goes into supporting existing systems 6
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Overview The systems operation, support, and security phase begins when a system becomes operational and continues until the system reaches the end of its useful life After delivering the system, the IT team focuses on support and maintenance tasks 7
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User Support User Training Additionally, new employees must be trained on the company’s information systems User training package Training users about system 8
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User Support Help Desks Enhance productivity and improve utilization of a company’s information resources The help desk is a central contact point for all IT maintenance 9
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Maintenance Tasks 10
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Corrective Maintenance Diagnoses and corrects errors in an operational system Respond to errors in various ways, depending on nature Worst-case situation is a system failure When the system is operational again, the maintenance team determines the cause, analyzes the problem, and designs a permanent solution 11
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Chap 12 - Systems Analysis and Design 8th Edition Chapter...

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