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Design a business continuity strategy (15-20%)

Design a site recovery strategy

Azure Site Recovery

Design for high availability

% Uptime Downtime per week Downtime per month Downtime per year
99% 1.68 hours 7.2 hours 3.65 days
99.9% 10 minutes 43.2 minutes 8.76 hours
99.95% 5 minutes 21.6 minutes 4.38 hours
99.99% 1 minute 4.32 minutes 52.56 minutes
99.999% 6 seconds 26 seconds 5.26 minutes

Load Balancing Decision Tree

Design a data archiving strategy

  • recommend storage types and methodology for data archiving

    • Lynda Video - recommend storage types and methodology for data archiving

    • Only standard blob or file storage supports archive tier

      • Hot access 99.9% availability

      • Cool: Must keep data at least 30 days, 99% availability

      • Archive: High retrieval cost, must keep 180 days at least, data must be rehydrated to be retrieved (might take several hours)

      • Archive tier can be changed after creating the storage account

  • identify business compliance requirements for data archiving

  • identify requirements for data archiving

  • identify SLA(s) for data archiving