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Difficulty: EasyDesign Azure Backup Solutions

You are designing a backup solution for production Azure Virtual Machines. The solution must meet the following requirements:
- Operational restores for failures occurring within the last few days must have a Recovery Time Objective (RTO) of under 10 minutes by utilizing the Instant Restore feature.
- The solution must minimize operational costs by using a standard backup policy rather than an enhanced backup policy.
- All backup data must remain within the primary region to comply with local data residency regulations.

What is the maximum retention period in days that can be configured for the instant recovery snapshots in the standard backup policy?

  1. 5Answer
  2. B
    14
  3. C
    30
  4. D
    90

Answer

5
The correct answer is 5. For standard Azure VM backup policies, the Instant Restore feature keeps snapshots locally for a range of 1 to 5 days (defaulting to 2 days). This meets the low RTO requirement for recent backups while staying within the standard policy constraints to minimize cost.

Step-by-Step Solution

1
Identify the constraints and backup policy type specified in the design scenario.
The scenario requires using a standard backup policy to minimize costs, and calls for sub-10-minute RTO restores utilizing the Instant Restore feature.
This establishes that the retention limits for the standard backup policy's snapshot tier must be evaluated.
2
Determine the maximum configuration limit for instant restore snapshots in a standard policy.
The standard backup policy supports instant restore snapshot retention only between 1 and 5 days, whereas the enhanced policy supports up to 30 days.
Because the standard policy must be used, the maximum value that can be configured is 5 days.

Key Concept

Azure Backup Virtual Machine policy tiers and Instant Restore limits
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Topics

Design Azure Backup Solutions

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