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100+ Free DOF Practice Questions

Pass your DevOps Foundation (DOF) exam on the first try — instant access, no signup required.

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In Lean, what is a 'Gemba walk' and how does it relate to DevOps leadership?

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2026 Statistics

Key Facts: DOF Exam

40

Exam Questions

DevOps Institute

65%

Passing Score

DevOps Institute

60 min

Time Limit

DevOps Institute

~$320

Exam Fee

DevOps Institute

Lifetime

Cert Validity

DevOps Institute

None

Prerequisites

DevOps Institute

DevOps Foundation is a 40-question, 60-minute exam requiring 65% to pass (~$320). Key domains: DevOps concepts and CALMS model (~25%), value stream management and DORA metrics (~20%), CI/CD pipelines (~20%), SRE fundamentals (~15%), DevOps culture (~10%), DevSecOps (~10%). No prerequisites required. Certification does not expire.

Sample DOF Practice Questions

Try these sample questions to test your DOF exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the primary goal of DevOps?
A.To replace all manual processes with automation
B.To enable faster, more reliable delivery of value to customers
C.To eliminate the operations team
D.To reduce software development costs
Explanation: DevOps aims to enable organizations to deliver value to customers faster and more reliably by breaking down silos between development and operations teams.
2Which book introduced the concept of the 'Three Ways' of DevOps?
A.The Lean Startup
B.The Phoenix Project
C.Accelerate
D.Site Reliability Engineering
Explanation: The Phoenix Project by Gene Kim, Kevin Behr, and George Spafford popularized the Three Ways framework for DevOps thinking.
3What does the First Way of DevOps focus on?
A.Amplifying feedback loops
B.Fast flow from development to operations to customer
C.Continuous experimentation and learning
D.Blameless postmortems
Explanation: The First Way emphasizes fast and smooth flow of work from Development through Operations to the customer, minimizing handoff delays and optimizing the whole system.
4What does the Second Way of DevOps emphasize?
A.Optimizing global flow
B.Amplifying feedback loops
C.Continuous learning and experimentation
D.Reducing batch size
Explanation: The Second Way focuses on amplifying feedback loops so that problems are detected and corrected quickly at every stage of the value stream.
5What does the Third Way of DevOps address?
A.Flow from development to operations
B.Feedback from operations to development
C.Continuous experimentation and learning from failures
D.Automation of deployment pipelines
Explanation: The Third Way cultivates a culture of continual experimentation, taking risks and learning from failure, and understanding that repetition and practice build mastery.
6What does the acronym CALMS stand for in DevOps?
A.Culture, Automation, Lean, Measurement, Sharing
B.Collaboration, Agility, Lean, Metrics, Speed
C.Culture, Agility, Learning, Management, Sharing
D.Continuous, Automation, Lean, Metrics, Synchronization
Explanation: CALMS stands for Culture, Automation, Lean, Measurement, and Sharing — a framework used to assess and guide DevOps transformation.
7Which CALMS pillar focuses on eliminating manual, error-prone repetitive tasks?
A.Culture
B.Automation
C.Lean
D.Sharing
Explanation: Automation in CALMS refers to replacing manual, repetitive tasks with automated processes to reduce errors and accelerate delivery.
8In the CALMS framework, what does the 'L' (Lean) pillar emphasize?
A.Limiting work in progress and eliminating waste
B.Automating the software delivery pipeline
C.Sharing knowledge between teams
D.Measuring key business metrics
Explanation: Lean in CALMS emphasizes applying Lean principles such as reducing waste, limiting work-in-progress, and improving flow through the value stream.
9What is the purpose of the 'Measurement' pillar in CALMS?
A.To automate data collection only
B.To use data to understand the current state and drive improvement decisions
C.To measure individual developer productivity
D.To track only production uptime
Explanation: Measurement in CALMS means collecting and analyzing data about the system and processes to understand the current state and make evidence-based improvement decisions.
10What does the 'Sharing' pillar of CALMS promote?
A.Sharing source code with competitors
B.Open communication, shared tools, and knowledge transfer across teams
C.Sharing infrastructure costs with cloud providers
D.Distributing work evenly among team members
Explanation: Sharing in CALMS promotes open communication, collaborative culture, shared tooling, and knowledge transfer between development, operations, and other teams.

About the DOF Exam

The DevOps Foundation (DOF) certification from DevOps Institute validates foundational knowledge of DevOps principles, practices, and terminology. The exam covers the CALMS model, value stream management, DORA metrics, CI/CD pipeline concepts, Site Reliability Engineering fundamentals, and DevOps culture and organizational transformation. It is designed for IT practitioners, developers, and managers entering the DevOps field.

Questions

40 scored questions

Time Limit

60 minutes

Passing Score

65% (26/40 correct)

Exam Fee

~$320 (DevOps Institute)

DOF Exam Content Outline

~25%

DevOps Concepts and Practices

CALMS model, DevOps principles, Three Ways of DevOps, DevOps vs. traditional ITSM

~20%

Value Stream Management

Value stream mapping, DORA metrics (deployment frequency, lead time, MTTR, change failure rate), flow metrics

~20%

Continuous Delivery and Pipelines

CI/CD concepts, deployment pipelines, automated testing, artifact management

~15%

Site Reliability Engineering

SLIs, SLOs, SLAs, error budgets, toil, reliability engineering practices

~10%

DevOps Culture and Organization

Culture transformation, Conway's Law, team topologies, psychological safety

~10%

Security and Governance

DevSecOps, shift-left security, compliance as code, governance in DevOps pipelines

How to Pass the DOF Exam

What You Need to Know

  • Passing score: 65% (26/40 correct)
  • Exam length: 40 questions
  • Time limit: 60 minutes
  • Exam fee: ~$320

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

DOF Study Tips from Top Performers

1Memorize the CALMS model acronym and be able to explain each component with examples
2Know all four DORA metrics by name, definition, and what elite vs. low performers look like
3Understand the Three Ways of DevOps: Flow (left to right), Feedback (right to left), Continual Learning
4Know the difference between continuous integration, continuous delivery, and continuous deployment
5Understand SRE concepts: SLI is a measurement, SLO is a target, SLA is a contractual commitment, error budget = 1 - SLO
6Study Conway's Law: organizational communication structures mirror the systems they design
7Know value stream mapping concepts: value-added time, non-value-added time, lead time, cycle time

Frequently Asked Questions

What is the DevOps Foundation exam?

The DevOps Foundation (DOF) from DevOps Institute is an entry-level certification validating knowledge of DevOps principles, culture, and practices. The exam has 40 multiple-choice questions in 60 minutes and requires 65% to pass. It covers the CALMS model, value streams, DORA metrics, CI/CD pipelines, and SRE fundamentals.

What is the CALMS model in DevOps?

CALMS stands for Culture, Automation, Lean, Measurement, and Sharing. It is a framework used to assess an organization's readiness for DevOps adoption and identify areas for improvement. Culture emphasizes collaboration and breaking silos; Automation reduces manual work; Lean applies value stream thinking; Measurement uses DORA metrics; Sharing promotes knowledge transfer.

What are DORA metrics?

DORA (DevOps Research and Assessment) metrics are the four key measures of software delivery performance: Deployment Frequency (how often you deploy to production), Lead Time for Changes (time from code commit to production), Mean Time to Restore (MTTR, how fast you recover from incidents), and Change Failure Rate (percentage of deployments causing production issues). Elite performers have daily deployments, lead times under one hour, MTTR under one hour, and change failure rates under 5%.

Do I need training before taking DevOps Foundation?

No mandatory prerequisites exist. However, DevOps Institute recommends a 2-day accredited training course to maximize exam success. The training provides structured coverage of the syllabus and exam preparation. Candidates with practical DevOps experience may self-study using the recommended reading list.

Does DevOps Foundation certification expire?

No — the DevOps Foundation certification does not expire. Once earned, it is valid for life with no renewal fees or continuing education requirements. This makes it a permanent foundational credential in the DevOps Institute certification portfolio.