Module 9: Business Continuity Overview (Business Continuity) Flashcards
What is business continuity?
process that prepares for, responds to, and recovers from a system outage
What is the need for business continuity?
enables continuous availability of in the event of failure
What is information availability?
ability of an IT infrastructure to function according to business requirements and customer expectations during specified operation time
What are the 3 parts of information availability?
accessibility
reliablity
timeliness
What is accessiblity?
information should be accessible when required
What is reliability?
information should be reliable and correct in all aspects
What is timeliness?
defines the time window when information is accessible
What is MBTF?
average time available for a system or component to perform its normal operations between failures
How do you calculate MBTF?
total uptime/number of failures
What is MTTR?
average time required to repair a failed component
How do you calculate MTTR?
total downtime/number of failures
Where should a disaster recovery site reside?
should be located in different geographical regions
usually restores to DR are unlikely to take a short amount of time
