AZ-120: Planning and Administering Azure for SAP WorkloadsDemo

By Microsoft · Question Mode

QuestionQ89

Design and implement high availability and disaster recovery (HADR)

You are designing a four-node SAP Web Dispatcher deployment for an SAP on Azure landscape.

You need to recommend resiliency and load-balancing solutions for the deployment. The solution must meet these requirements:

  • Receive the highest SLA from Microsoft.
  • Load-balance client connections.
  • Minimize administrative effort.

What should the recommendation include for each solution?

Select
Resiliency:
Load-balancing:
Explanation

Availability zones place redundant VMs in physically separate datacenters and provide a 99.99% VM connectivity SLA when instances span two or more zones. Availability sets provide 99.95%, while a proximity placement group optimizes latency rather than resiliency. Azure Standard Load Balancer is the zone-aware, managed Layer 4 load-balancing service suitable for distributing client connections across parallel SAP Web Dispatcher instances; Basic Load Balancer does not support availability zones. Microsoft recommends Standard Load Balancer for SAP scenarios.

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