Free CDL sample questions

Correct answer: Using AutoML Vision

AutoML Vision is the ideal solution. It allows teams with limited ML expertise to train high-quality, custom image classification models using their own labeled data. This directly addresses the startup's need to create a specialized model for plant species identification without requiring them to build and manage the underlying ML infrastructure from scratch. The pre-trained Vision API is too generic, and building a custom TensorFlow model requires deep ML expertise, which the team lacks.

Correct answer: Create a folder for each department under the organization node and apply specific IAM and Organization Policies at the folder level.

Using the resource hierarchy with folders is the best practice for this scenario. Creating a folder for each department allows administrators to apply distinct IAM permissions, Organization Policies (e.g., restricting VM types for students), and budgets that are inherited by all projects within that folder. This provides centralized control, scalability, and clear separation of concerns, which is far more effective than managing policies project-by-project or tracking costs with labels alone. graph TD Org(Organization: University.edu) --> F_Research(Folder: Research) Org --> F_Admin(Folder: Administration) Org --> F_Labs(Folder: Student Labs) F_Research --> P_HPC(Project: HPC Study) F_Admin --> P_Finance(Project: Finance App) F_Labs --> P_CS101(Project: CS101 Lab) style F_Research fill:#f9f,stroke:#333,stroke-width:2px style F_Admin fill:#ccf,stroke:#333,stroke-width:2px style F_Labs fill:#cfc,stroke:#333,stroke-width:2px

Correct answer: Standard for the first 30 days, Nearline for the next 90 days, and Archive for long-term storage.

This combination correctly maps the access patterns to the most cost-effective storage classes. Standard is for frequently accessed ('hot') data. Nearline is ideal for data accessed infrequently (e.g., once a month), fitting the 90-day quality control period. Archive is the lowest-cost option designed for long-term data archival where access is rare, perfectly matching the 7-year requirement.

Correct answer: True

This statement is true. In an IaaS model, the cloud provider manages the physical hardware, networking, and virtualization layer. The customer takes responsibility from the operating system upwards, including OS patching, network firewall rules, platform software, and the application and its data.

Correct answer: Cloud Run

Cloud Run is the ideal choice as it is a fully managed serverless platform that runs stateless containers. It directly meets the requirements by abstracting away all infrastructure management (minimizing operational overhead), scaling automatically based on requests, and scaling down to zero, which means the company only pays when the service is actively handling traffic.

Correct answer: The freedom to choose where and how to develop and run applications without vendor lock-in, supported by a commitment to open source.

The principle of 'freedom' in Google Cloud refers to its commitment to open standards and open source technologies (like Kubernetes, TensorFlow, and Istio). This approach gives customers the flexibility to run their applications on Google Cloud, on-premises, or in other clouds, thereby preventing vendor lock-in and allowing them to innovate on their own terms.

Correct answer: The amount of data processed (read) by the query.

In BigQuery's on-demand pricing model, cost is calculated based on the number of bytes processed by the query. This includes all the data read from the tables referenced in the query, regardless of the amount of data returned. Therefore, to manage costs, analysts should write queries that select only the columns they need and use partitioning or clustering to reduce the amount of data scanned.

Correct answer: Identity and Access Management (IAM) with the Principle of Least Privilege

The Principle of Least Privilege is a fundamental security concept that is implemented using Identity and Access Management (IAM). It dictates that a user should have the minimum levels of access – or permissions – needed to perform their job. Google Cloud IAM enables fine-grained control to enforce this principle by assigning specific roles to identities (users, groups, service accounts) for particular resources.

Correct answer: By running workloads on a carbon-neutral infrastructure and providing tools like Carbon Footprint to report on the gross emissions associated with their usage.

Google Cloud's sustainability benefit stems from its long-standing commitment to carbon neutrality and its goal to run on carbon-free energy 24/7. When customers run their workloads on Google Cloud, those workloads inherit these green credentials. Additionally, Google provides tools like Carbon Footprint, which helps organizations measure, report, and reduce the carbon emissions of their cloud usage, supporting their own sustainability goals.

Correct answer: It allows independent teams to develop, deploy, and scale their specific services, increasing overall development velocity and resilience.

A primary business advantage of a microservices architecture is organizational agility. By breaking a large application into smaller, independent services, different teams can work on their respective services in parallel. This allows for independent deployment cycles, technology choices, and scaling, which significantly speeds up the delivery of new features and improves the application's overall resilience, as a failure in one service is less likely to bring down the entire system.