QuestionQ178

Design and implement high availability and disaster recovery (HADR)

You plan to deploy SAP on Azure.

The deployment must satisfy these requirements:

  • Support failover to another Azure region if a regional outage occurs.
  • Minimize data loss during failover.
  • Minimize costs.

Which fault-tolerance technology should you select for the SAP Web Dispatcher and the Microsoft SQL Server 2017 servers? Each technology can be used once, more than once, or not at all.

Drag & Drop
Availability Sets
Azure Site Recovery
Native replication
Rsync
SAP Web Dispatcher:
SQL Server 2017 servers:
Explanation

Azure Site Recovery provides cross-region disaster recovery for SAP application-tier virtual machines without requiring a fully active secondary application deployment. SQL Server 2017 native replication/Always On technologies maintain a secondary database copy and reduce potential data loss during regional failover. Availability Sets only improve availability within one Azure region, and rsync does not provide SQL Server database failover.

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