nerdexam
Microsoft

AZ-120 · Question #101

You have an SAP ERP Central Component (SAP ECQ) environment on Azure. You need to add an additional SAP application server to meet the following requirements: - Provide the highest availability…

The correct answer is C. Place the new server in the same Azure Availability Zone as the database and the other. Fastest speed between the new server and the database: Network latency within the same Availability Zone is significantly lower than across different zones. Since the database requires very low latency for SAP workloads, placing the application server in the same zone as the…

Design and implement high availability and disaster recovery (HA/DR)

Question

You have an SAP ERP Central Component (SAP ECQ) environment on Azure. You need to add an additional SAP application server to meet the following requirements:

  • Provide the highest availability.
  • Provide the fastest speed between the new server and the database.

What should you do?

Options

  • APlace the new server in a different Azure Availability Zone than the database.
  • BPlace the new server in the same Azure Availability Set as the database and the other application
  • CPlace the new server in the same Azure Availability Zone as the database and the other

How the community answered

(41 responses)
  • A
    7% (3)
  • B
    12% (5)
  • C
    80% (33)

Explanation

Fastest speed between the new server and the database: Network latency within the same Availability Zone is significantly lower than across different zones. Since the database requires very low latency for SAP workloads, placing the application server in the same zone as the database ensures the fastest communication. Highest availability: While spreading resources across Availability Zones improves fault tolerance against datacenter failures, the question emphasizes minimizing latency for synchronous operations between the application server and database, which is critical for SAP performance. Placing application servers in the same zone as the database optimizes speed and availability within that zone. For zone-level failures, other SAP components (like multiple app servers in different zones or load balancers) can provide redundancy.

Topics

#Azure Availability Zones#SAP application server placement#network latency#DBMS proximity

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