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MIS CH 5

how often should a business back up its data?
why is it important to ensure that backups are working and can be restored?
what is the different between a disaster recovery plan and a business continuity plan?
what are the 3 forms of MIS infrastructures and what do they support?
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.
list the characteristics of an agile MIS infrastructure and explain why they are all critical for supporting change.
accessibility, availability, maintainability, portability, reliability, scalability, and usability. agile MIS infrastructure includes
explain the capacity planning is and how it can help a business prepare for growth.
explain the difference between fault tolerance and failover.
compare the differences among a hot, cold, and warm site.
what is moore’s law and how does it affect companies?
list the business benefits of using grid computing.
identify the benefits and challenges of cloud computing.
what is a data center and why would a business center develop one?
list and describe the three most popular cloud computing delivery models.
why would a company want to use virtualization?
explain why business today would want to follow sustainable MIS practices.
explain why ebusiness is contributing to the 3 pressures driving sustainable MIS infrastructures.
MIS infrastructure
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.
hardware
physical device associated with a computer system.
software
set of instructions the hardware executes to carry out specific tasks.
network
communication system created by linking two or more devices and establishing a standard methodology in which they communicate.
client
computer designed to request info from a server
server
computer dedicated to providing info in response to requests.
enterprise architect
person grounded in technology, fluent in business, and able to provide the important bridge between MIS and the business. hired to update MIS infrastructure.
info MIS infrastructure
supports operations. back up, recovery, disaster recovery, business continuity planning.
agile MIS infrastructure
supports change. accessibility, availability, maintain ability, portability, reliability, scalability, usability.
sustainable MIS infrastructure
supports sustainability. grid computing, cloud computing, virtualization.
backup
exact copy of a system’s info
recovery
ability to get a system up and running after a crash or failure.
fault tolerance
ability for a system to respond to unexpected failures or crashes immediately and automatically takes over with no loss of service.
failover
type of fault tolerance occurs when a redundant storage offers an exact replica of the real time data.
failback
primary machine recovers and resumes operations
effects of disasters
disrupting communication, physical infrastructure, transportation, and blocking utilities.
disaster recovery plan
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.
cold site
facility without computer equipment
hot site
fully equipped facility where the company can immediately move
warm site
facility with computer equipment that needs to be set up
disaster recovery cost curve
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.
business continuity planning (BCP)
details how a company recovers and restores critical business operations and systems after a disaster or extended disruption.
business impact analysis
identifies all critical business functions and the effect that a specific disaster may have on them.
technology failure
company unable to operate because of a hardware, software, or data outrage.
incidents
unplanned interruption of a service.
incident management
process r

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