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PROFESSIONAL-CLOUD-ARCHITECT · Question #275

Your company has an application running as a Deployment in a Google Kubernetes Engine (GKE) cluster. When releasing new versions of the application via a rolling deployment, the team has been…

The correct answer is A. Configure liveness and readiness probes in the Pod specification. Configuring the right liveness and readiness probes prevents outages when rolling out a new ReplicaSet of a Deployment, because Pods are only getting traffic when they are considered https://cloud.google.com/blog/products/containers-kubernetes/kubernetes-best-practices-setting…

Submitted by lukas.cz· Mar 30, 2026Ensuring solution and operations reliability

Question

Your company has an application running as a Deployment in a Google Kubernetes Engine (GKE) cluster. When releasing new versions of the application via a rolling deployment, the team has been causing outages. The root cause of the outages is misconfigurations with parameters that are only used in production. You want to put preventive measures for this in the platform to prevent outages. What should you do?

Options

  • AConfigure liveness and readiness probes in the Pod specification.
  • BConfigure health checks on the managed instance group.
  • CCreate a Scheduled Task to check whether the application is available.
  • DConfigure an uptime alert in Cloud Monitoring.

How the community answered

(40 responses)
  • A
    78% (31)
  • B
    13% (5)
  • C
    8% (3)
  • D
    3% (1)

Explanation

Configuring the right liveness and readiness probes prevents outages when rolling out a new ReplicaSet of a Deployment, because Pods are only getting traffic when they are considered https://cloud.google.com/blog/products/containers-kubernetes/kubernetes-best-practices-setting- up-health-checks-with-readiness-and-liveness-probes

Topics

#GKE#liveness probes#readiness probes#rolling deployment

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