Question 1 of 30
A software development team is implementing a rolling update strategy for their microservices architecture deployed on Azure Kubernetes Service (AKS). They have a service that handles user authentication, and they want to ensure that the update process minimizes downtime and maintains service availability. The team decides to update the service in batches of 20% of the pods at a time. If they have a total of 10 pods running, how many pods will be updated in the first batch, and what considerations should they take into account to ensure that the update does not disrupt user sessions?
2 pods; they should ensure session persistence and monitor for errors during the update.
3 pods; they should only focus on updating the database concurrently.
5 pods; they should roll back immediately if any issues arise.
1 pod; they should disable the service during the update.

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