Plan and configure a high availability and disaster recovery environment →easyMultiple ChoiceObjective-mapped
DP-300 Practice Question: Plan and configure a high availability and disaster recovery environment
You are designing a disaster recovery plan for a SQL Server 2022 on Azure VM. The solution must provide automatic failover within seconds and zero data loss. Which SQL Server feature should you use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Failover cluster instance (FCI) with shared storage
A SQL Server Failover Cluster Instance (FCI) with shared storage provides automatic failover within seconds and zero data loss, as the shared storage ensures no data is lost during failover. Option A (Backup and restore to another region) does not provide automatic failover and can have data loss up to the last backup. Option C (Always On Availability Group with synchronous commit) can achieve zero data loss and automatic failover if properly configured, but it requires a listener and may have more complex setup; however, FCI is typically the preferred solution for VM-level HA with zero data loss. Option D (Log shipping) involves manual failover and potential data loss, so it does not meet the requirements.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Backup and restore to another region
Why it's wrong here
Not a HA solution.
- ✓
Failover cluster instance (FCI) with shared storage
Why this is correct
FCI provides automatic failover and zero data loss.
- ✗
Always On Availability Group with synchronous commit
Why it's wrong here
Synchronous commit can have data loss if not all replicas acknowledge.
- ✗
Log shipping
Why it's wrong here
Log shipping has manual failover and data loss.
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