nerdexam
Google

PROFESSIONAL-CLOUD-ARCHITECT · Question #228

You are developing your microservices application on Google Kubernetes Engine. During testing, you want to validate the behavior of your application in case a specific microservice should suddenly cra

The correct answer is B. Use Istio's fault injection on the particular microservice whose faulty behavior you want to. https://istio.io/latest/docs/tasks/traffic-management/fault-injection/

Submitted by ahmad_uae· Mar 30, 2026Ensuring solution and operations reliability

Question

You are developing your microservices application on Google Kubernetes Engine. During testing, you want to validate the behavior of your application in case a specific microservice should suddenly crash. What should you do?

Options

  • AAdd a taint to one of the nodes of the Kubernetes cluster. For the specific microservice, configure
  • BUse Istio's fault injection on the particular microservice whose faulty behavior you want to
  • CDestroy one of the nodes of the Kubernetes cluster to observe the behavior.
  • DConfigure Istio's traffic management features to steer the traffic away from a crashing

How the community answered

(26 responses)
  • A
    4% (1)
  • B
    85% (22)
  • C
    8% (2)
  • D
    4% (1)

Explanation

https://istio.io/latest/docs/tasks/traffic-management/fault-injection/

Topics

#Istio fault injection#chaos engineering#resilience testing#microservices

Community Discussion

No community discussion yet for this question.

Full PROFESSIONAL-CLOUD-ARCHITECT Practice