Chapter 5: Infrastructures Flashcards
MIS Infrastructure
Includes the plans for how a firm will build and use their MIS assets
Backup
An exact copy of a systems information
Recovery
The ability to get a system up and running in the event of a system crash or failure
Disaster Recovery Plan
A detailed process for recovering information or an IT system in the event of a catastrophic disaster
Disaster Recovery Cost Curve
Charts the cost to the organization of the unavailability of information and technology as well as the cost to the organization of recovering from a disaster over time
Hot Site
A separate and fully equipped facility where the company can move immediately after a disaster and resume business
Cold Site
A separate facility that does not have any computer equipment, but is a place where employees can move after a disaster
Warm Site
A separate facility with computer equipment that requires installation and configuration
Business Continuity Planning
A plan for how an organization will recover and restore partially or completely interrupted critical functions within a predetermined time after a disaster or disruption
Business Impact Analysis
Identifies all critical business functions and the effect that a specific disaster may have upon them
Accessibility
Refers to the varying levels that define what a user can access when operating a system
Web Accessibility
Allows people with disabilities to use the web
Administrator Access
Unrestricted access to the entire system
Availability
Time frames when the system is operational
Unavailable
Time frames when a system is not operating and cannot be used
High availability
System is continuously operational at all times
Maintainability
How quickly a system can transform to support environmental changes
Portability
The ability of an application to operate on different devices or software platforms
Reliability
Ensures a system is functioning correctly and providing accurate information
Scalability
How well a system can scale up or adapt to the increased demands of growth
Performance
Measures how quickly a system performs a process or transaction
Capacity Planning
Determines future environmental infrastructure requirements to ensure high quality system performance
Usability
The degree to which a system is easy to learn and efficient and satisfying to use
Serviceability
How quickly a third party can change a system to ensure it meets user needs and the terms of any contracts
Moore’s Law
Refers to the computer chip performance per dollar doubles every 18 months
Sustainable or Green MIS
Describes the production and disposal of technology in a way that minimizes damage to the environment
Corporate Social Responsibility
Companies acknowledged responsibility to society
Grid Computing
A collection of computers, often geographically dispersed, that are coordinated to solve a common problem
Virtualization
Creates multiple virtual machines on a single computing device
Data Center
A facility used to house management information systems and associated components, such as telecommunications and storage systems
Multi-Tenancy
The cloud means that a single instance of a system serves multiple customers
Single-Tenancy
Each customer or tenant must purchase and maintain an individual system
Cloud Fabric
The software that makes possible the benefits of cloud computing, such as multi-tenancy
