MIS CH 5 – Flashcards
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what are the 3 forms of MIS infrastructures and what do they support?
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information MIS infrastructure supports operations. it is used for backup, recovery, disaster recovery, and business continuity planning. agile MIS infrastructure supports change. it is used for accessibility, availability, maintainability, portability, reliability, scalability, and usability. sustainable MIS infrastructure supports sustainability. it is used for grid computing, cloud computing, and virtualization.
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list the characteristics of an agile MIS infrastructure and explain why they are all critical for supporting change.
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accessibility, availability, maintainability, portability, reliability, scalability, and usability. agile MIS infrastructure includes
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MIS infrastructure
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includes plans for how a firm will build, deploy, use, and share its data, processes, and MIS assets. A good MIS infrastructure can reduce costs, improve productivity, optimize business operations, generate growth, and increase profitability.
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hardware
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physical device associated with a computer system.
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software
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set of instructions the hardware executes to carry out specific tasks.
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network
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communication system created by linking two or more devices and establishing a standard methodology in which they communicate.
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client
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computer designed to request info from a server
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server
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computer dedicated to providing info in response to requests.
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enterprise architect
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person grounded in technology, fluent in business, and able to provide the important bridge between MIS and the business. hired to update MIS infrastructure.
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info MIS infrastructure
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supports operations. back up, recovery, disaster recovery, business continuity planning.
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agile MIS infrastructure
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supports change. accessibility, availability, maintain ability, portability, reliability, scalability, usability.
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sustainable MIS infrastructure
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supports sustainability. grid computing, cloud computing, virtualization.
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backup
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exact copy of a system's info
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recovery
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ability to get a system up and running after a crash or failure.
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fault tolerance
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ability for a system to respond to unexpected failures or crashes immediately and automatically takes over with no loss of service.
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failover
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type of fault tolerance occurs when a redundant storage offers an exact replica of the real time data.
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failback
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primary machine recovers and resumes operations
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effects of disasters
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disrupting communication, physical infrastructure, transportation, and blocking utilities.
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disaster recovery plan
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detailed process for recovering info or a system in the event of a catastrophic disaster. includes which files and systems need backups, location of back up, etc.
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cold site
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facility without computer equipment
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hot site
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fully equipped facility where the company can immediately move
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warm site
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facility with computer equipment that needs to be set up
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disaster recovery cost curve
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charts the cost to the company of the unavailability of info and technology and the cost to the company of recovering from a disaster over time.
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business continuity planning (BCP)
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details how a company recovers and restores critical business operations and systems after a disaster or extended disruption.
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business impact analysis
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identifies all critical business functions and the effect that a specific disaster may have on them.
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technology failure
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company unable to operate because of a hardware, software, or data outrage.
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incidents
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unplanned interruption of a service.
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incident management
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process r
