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Zorluk: OrtaConfigure VMs for High Availability

Krypton Solutions is deploying a critical accounting application to the Germany West Central region. The application will run on two virtual machines named VM-App1 and VM-App2. The deployment must guarantee a virtual machine uptime SLA of at least 99.99%99.99\%. Which deployment strategy should you use to meet the SLA requirement?

  1. Deploy VM-App1 and VM-App2 to separate Availability Zones.Cevap
  2. B
    Deploy VM-App1 and VM-App2 within a single Availability Set.
  3. C
    Deploy VM-App1 and VM-App2 inside a single Availability Set that spans across two Availability Zones.
  4. D
    Deploy VM-App1 in Germany West Central and VM-App2 in Germany North, and associate both VMs with the same Availability Set.

Cevap

Deploy the virtual machines to separate Availability Zones within the same region.
Deploying two or more virtual machines across separate Availability Zones in the same region guarantees an SLA of at least 99.99%99.99\%. Availability Zones are physically separate datacenters with independent power, cooling, and networking.

Adım Adım Çözüm

1
Identify the high availability requirements and SLA target.
The target SLA is 99.99%99.99\% uptime for two virtual machines.
Determining the target SLA helps choose between Availability Sets and Availability Zones.
2
Compare the SLA levels provided by Azure HA options.
Availability Sets provide 99.95%99.95\% SLA, while Availability Zones provide 99.99%99.99\% SLA for virtual machines.
To achieve 99.99%99.99\% SLA, the virtual machines must be placed in separate Availability Zones.
3
Evaluate the architectural constraints of the selected option.
Availability Zones are physically separate datacenters within the same region. Availability Sets cannot span multiple zones or regions.
This confirms that deploying the virtual machines to separate Availability Zones is the correct and valid configuration.

Anahtar Kavram

Azure Virtual Machine High Availability Options and SLAs
Tahmini Süre:1m 30s
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Configure VMs for High Availability

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