Google Exam Professional Cloud Architect Topic 1 Question 11 Discussion

Actual exam question for Google's Professional Cloud Architect exam

Question #: 11
Topic #: 1

[All Professional Cloud Architect Questions]

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?

AAdd a taint to one of the nodes of the Kubernetes cluster. For the specific microservice, configure a pod anti-affinity label that has the name of the tainted node as a value.

BUse Istio's fault injection on the particular microservice whose faulty behavior you want to simulate.

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 microservice.

Show Suggested Answer

Suggested Answer: B

Microservice runs on all nodes. The Micro service runs on Pod, Pod runs on Nodes. Nodes is nothing but Virtual machines. Once deployed the application microservices will get deployed across all Nodes. Destroying one node may not mimic the behaviour of microservice crashing as it may be running in other nodes.

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

by Brandon at May 08, 2022, 01:18 PM

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