3.3 Explain disaster recovery (DR) concepts

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Across
  1. 3. Target time to restore a system after an outage
  2. 4. Walkthrough exercise to discuss DR steps without action
  3. 6. Average time between one failure and the next
  4. 8. Real-world test to confirm DR plan actually works
  5. 10. DR site with basic infrastructure but no equipment
Down
  1. 1. Fully operational DR site ready to take over immediately
  2. 2. High availability model where multiple systems run at once
  3. 3. Maximum acceptable amount of data loss measured in time
  4. 5. High availability model where one system waits on standby
  5. 7. Average time needed to repair a failed component
  6. 9. DR site with equipment but minimal configuration