Which method in Kubernetes should be used to accomplish this task?

Your customer is running their Kafka and Spark applications inside a Kubernetes cluster. They want to create a single backup policy within Astra to automate the backup of both applications and all their related Kubernetes objects at the same time.

Which method in Kubernetes should be used to accomplish this task?
A . Create a Helm chart that deploys Kafka and Spark and their related objects to multiple namespaces.
B. Put the applications and their objects in a single namespace, or label all the objects with a single label that Astra can recognize.
C. Create a Kubernetes custom resource definition that includes all of the objects that Astra needs to treat as a single entity.
D. Use a single Trident-based StorageClass to provision all storage for Kafka and Spark.

Answer: C