Google Cloud Certified Associate Cloud Engineer Practice

What are mounted directories that are accessible from inside containers in Google Cloud?

1. BigQuery

2. Custom machine type

3. Volumes

4. `gsutil`

The correct answer is: Volumes

The correct choice here is volumes, which serve as an important concept in container orchestration and management systems such as Google Kubernetes Engine (GKE) and Docker. Volumes are mounted directories that provide a way to persist data generated by and used by Docker containers. They enable sharing data between containers and provide a mechanism to store data outside the lifecycle of the individual containers. When a volume is mounted into a container, it can be accessed as part of the filesystem within that container, making it possible to read from and write to that directory. This allows for the persistence of data beyond the lifespan of a single container instance, which is crucial for applications that require stateful data storage (e.g., databases or user-generated content). In contrast, the other options do not represent mounted directories accessible from inside containers. BigQuery is a serverless data warehouse designed for big data analysis, which does not directly relate to container file management. Custom machine types refer to configuring virtual machine types with specific resource allocations in Google Cloud, and while `gsutil` is a command-line tool for interacting with Google Cloud Storage, it doesn't represent a mounted directory but rather a method of managing cloud storage resources. Thus, volumes stand out as the correct answer as they directly relate to the