Google Cloud · Foundational

Cloud Digital Leader (CDL) practice exam & study guide

The Google Cloud Digital Leader (CDL) is Google Cloud’s foundational certification for the business value of cloud technology. It validates the ability to describe cloud concepts and Google Cloud products, data and AI capabilities, infrastructure and application modernization, trust and security, and cloud operations — without requiring hands-on technical skills.

CDL is an entry-level, non-technical exam. Questions describe a business scenario and ask which cloud concept or Google Cloud capability applies — you are not expected to configure resources or write code.

This free hub gives you everything you need to prepare: a syllabus breakdown by exam section, realistic practice questions with teacher-style explanations, a glossary of the Google Cloud concepts and products the exam relies on, and full-length timed mock exams that mirror the real testing experience.

55
Questions
90 min
Time limit
70%
Mock pass %
6
Domains

Start studying CDL

New here? Follow the three steps below in order. Everything is free and needs no account.

  1. 1
    Learn the plan

    See all 6 domains in exam-weight order.

    Open study path
  2. 2
    Drill by domain

    Practice one topic at a time with explained answers.

    Start with the first domain
  3. 3
    Sit a timed mock

    55 questions · 90 min · 70% to pass our mock.

    Take the mock exam

All CDL study resources

CDL exam domains

The CDL exam is weighted across 6 domains. Pick any domain below to drill it — or read the full breakdown in the FAQ.

Exam domainExam weightPractice
Digital Transformation with Google Cloud17%Practice this topic
Exploring Data Transformation with Google Cloud16%Practice this topic
Innovating with Google Cloud Artificial Intelligence16%Practice this topic
Modernizing Infrastructure and Applications with Google Cloud17%Practice this topic
Trust and Security with Google Cloud17%Practice this topic
Scaling with Google Cloud Operations17%Practice this topic

Sample CDL questions

A sample of the CDL questions on this hub. Each links through to the full question, the correct answer, and an explanation of why every other option is wrong.

Key CDL terms

Start with these terms, then explore the full glossary. Each links to a plain-English definition written for the CDL exam.

CDL frequently asked questions

What is the CDL certification?+

Google positions the Cloud Digital Leader as validating a broad understanding of cloud concepts and the Google Cloud products and services that can achieve business objectives. It is aimed at anyone who wants to demonstrate cloud literacy, regardless of technical role.

It covers digital transformation, data transformation, AI and machine learning, infrastructure and application modernization, trust and security, and scaling operations — framed around business value rather than implementation detail.

What topics are on the CDL exam?+

The CDL exam is organised into six sections. The percentages below are the approximate weights Google publishes in its exam guide (each around 16–17%), so the sections are fairly evenly balanced and all deserve attention.

Digital Transformation with Google Cloud (17%)

Covers why cloud technology is transforming business, fundamental cloud concepts such as total cost of ownership and the shift from capital to operating expenditure, the cloud computing models (IaaS, PaaS, SaaS), and the shared responsibility model.

Exploring Data Transformation with Google Cloud (16%)

Covers the value of data to an organization, Google Cloud data management solutions across databases, data warehouses, and data lakes, and how services such as BigQuery and Looker make data useful and accessible.

Innovating with Google Cloud Artificial Intelligence (16%)

Covers AI and machine learning fundamentals, responsible AI, Google Cloud’s AI and ML solutions such as Vertex AI and the Gemini models, and common scenarios for applying generative AI to business problems.

Modernizing Infrastructure and Applications with Google Cloud (17%)

Covers cloud modernization and migration approaches, computing options from Compute Engine to serverless (Cloud Run, Cloud Functions), containers with Google Kubernetes Engine, the value of APIs, and hybrid and multi-cloud strategies.

Trust and Security with Google Cloud (17%)

Covers core security concepts such as the CIA triad and defense in depth, Google’s trusted infrastructure including encryption and identity, and Google Cloud’s trust principles, transparency, and compliance posture.

Scaling with Google Cloud Operations (17%)

Covers financial governance and managing cloud costs, operational excellence and reliability at scale through site reliability engineering and monitoring, and sustainability with Google Cloud.

Is the CDL hard?+

CDL is a foundational exam and one of the most approachable certifications available: it tests business-level understanding of cloud concepts and which Google Cloud product fits a need, not hands-on skills. Most candidates pass with a few weeks of study.

The main challenge is the breadth of Google Cloud product names and matching them to business scenarios. Because it is vendor-specific, general cloud knowledge is not enough — you need to know Google’s product portfolio, which is exactly what focused practice questions build.

How many questions are on the CDL exam and how long is it?+

Google’s standard Cloud Digital Leader exam presents roughly 50–60 multiple-choice and multiple-select questions to be completed in 90 minutes, delivered online with remote proctoring or at a test center.

Our full-length practice mock uses a 55-question, 90-minute session so you can rehearse pacing under realistic time pressure before test day.

What score do you need to pass the CDL?+

Google does not publish a numeric passing score for the Cloud Digital Leader, and results are reported simply as pass or fail, so treat any specific percentage you see elsewhere as unofficial. Our practice mock uses a 70% threshold as a sensible readiness target — aim to clear it comfortably and consistently before you book.

How much does the CDL exam cost?+

The Cloud Digital Leader exam fee is set by Google — historically around $99 (plus tax) for the standard exam, but check the official certification page for current pricing in your region. The certification is valid for three years. Everything on this hub is free.

Who should take the CDL?+

The Cloud Digital Leader is aimed at anyone who wants to demonstrate foundational knowledge of cloud and Google Cloud — including non-technical roles such as sales, marketing, product, and leadership, as well as technical staff new to Google Cloud.

Google states there are no prerequisites and no hands-on experience is required. A general familiarity with business and technology concepts is enough to start.

What jobs and salaries can the CDL lead to?+

CDL is relevant for business and cross-functional roles that work with cloud teams, and for technologists who want a recognised starting point on Google Cloud. It signals cloud fluency rather than implementation skill.

How much any certification affects pay depends heavily on geography, seniority, and role, so treat any single salary figure with caution. CDL is best viewed as a way to demonstrate cloud literacy and a stepping stone to Google’s associate and professional tracks.

How long does it take to study for the CDL?+

Most candidates need two to four weeks at roughly an hour a day. The most efficient path is to work through the six sections in order, drilling the topic quiz for each before moving on, then shift to full-length timed mocks in the final stretch.

Review every explanation, including for questions you answered correctly, because CDL distractors are built from plausible but incorrect Google Cloud products or concepts. Use the per-section results here to find and shore up your weakest area.

How should you prepare for the CDL?+

Study the six sections above — they are fairly evenly weighted, so spread your time across them — then drill practice questions section by section. Every MockAPI question reveals a full explanation and tells you why each wrong answer is wrong, which is the fastest way to learn Google’s product portfolio.

When you can answer topic drills comfortably, move to a full-length timed mock to rehearse pacing. Use the glossary to keep the product names straight, and aim to score consistently above the pass mark on mocks before you book.

Can you take the CDL exam online?+

Yes. Google delivers the Cloud Digital Leader through its testing partner both at onsite test centers and online with remote proctoring. The online option requires a private, quiet room, a clear workspace, a webcam and microphone, a stable connection, and government-issued photo ID, with a proctor monitoring you throughout.

If you do not pass, Google applies a retake policy with escalating waiting periods between attempts (a 14-day wait after the first attempt, longer after subsequent ones), and each attempt needs its own registration and fee.

What certification should you take after the CDL?+

After CDL, the natural next step is the Associate Cloud Engineer (ACE), the first hands-on Google Cloud certification, followed by professional tracks such as Professional Cloud Architect or Professional Data Engineer.

Which direction to take depends on your role — architecture, data, security, or DevOps. Pairing any of these with hands-on Google Cloud experience is what turns a certificate into a career.