Oracle
1Z0-997-20 · Question #80
1Z0-997-20 Question #80: Real Exam Question with Answer & Explanation
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Question
You are working for a Travel company and your travel portal application is a collection of microservices that run on Oracle Cloud Infrastructure Container Engine for Kubernetes. As per the recent security overview, you have noticed that Oracle has published a newer image of the Operating System used by the worker nodes. You want to make sure that your application doesn't face any downtime but at the same time the worker nodes gets upgraded to the latest version of the Operating System. What should you do to get this upgrade done without application downtime? (Choose the best answer.)
Options
- A
- Shutdown the worker nodes
- B
- Create a new node pool using the latest available Operating System image.
- C
- Create a new node pool using the latest available Operating System image
- D
- Run kubectl cordon <node name> against all the worker nodes in the old pool to stop any new
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