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You are designing a new high availability (HA) solution for a set of application databases. The solution will be contained within a single datacenter and provided instance-level HA protection.
You need to deploy a solution that allows for minimal downtime if the production server goes offline.
Which should you implement?
A . A Microsoft Azure Stretch Database
B . log shipping
C . an Always On Availability Group with all replicas in synchronous-commit mode
D . a file share witness
E . a Microsoft SQL Server failover cluster instance (FCI)
F . a Windows Cluster with a shared-nothing architecture
G . an Always On Availability Group with secondary replicas in asynchronous-commit mode
Answer: E
Explanation:
As part of the SQL Server Always On offering, Always On Failover Cluster Instances leverages Windows Server Failover Clustering (WSFC) functionality to provide local high availability through redundancy at the server-instance level-a failover cluster instance (FCI). References: https://docs.microsoft.com/en-us/sql/sql-server/failover-clusters/windows/always-on-failovercluster-instancessql-server
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