PSD I exam at a glance
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PSD I key facts & eligibility
| Conducting body | Scrum.org |
|---|---|
| Official website | scrum.org ↗ |
| Mode | Professional Scrum Developer I (PSD I) — a Scrum.org certification validating the knowledge software developers need to apply Scrum and modern agile engineering practices while building software in a Scrum Team. It is an online assessment taken on the Scrum.org platform. |
| Frequency | Taken online on demand, any time. |
| Scoring & marking | The assessment has 80 questions (multiple-choice, multiple-answer and true/false) in 60 minutes, and the passing score is 85%. It is based on the current Scrum Guide together with agile software-engineering practices. |
| Score validity | The certification is lifetime — it does not expire and has no renewal fee. |
| Language | English. |
Who is eligible for PSD I?
No formal prerequisite; a working understanding of Scrum and of agile software-development practices is recommended.
Last verified July 2026 against Scrum.org — PSD I. Always confirm current details on the official website before you register.
PSD I section breakdown
The PSD I mock test on Wrexa Edge replicates the real exam's section structure — same names, same question count per section, same time limits. No inter-section breaks — the timer runs continuously.
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PSD I (60 Q)
Marking scheme
+1 per correct. Try your score.
Strategy: PSD I has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: PSD I (pass 700/1000).
How PSD I is conducted
- Mode
- Test format
- Backtracking
- Mark for review
PSD I time strategy
With 60 questions in 60 minutes, you have about 60 seconds per question on average. Successful candidates aim for the following pacing on each section:
- PSD I (60 Q)
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
PSD I topics covered
Across the 50 Wrexa Edge variants of PSD I, the following topics appear most often (sample distribution from one variant):
PSD I (60 Q)
- Test-Driven Development & Testing · 25
- Scrum Framework for Developers · 18
- Definition of Done & Quality · 17
PSD I difficulty calibration
Intermediate tier. Intermediate-level: assumes a working command of the syllabus. Most candidates need 2-4 months of focused prep.
PSD I · 80 Q in 60m. Scrum for developers — agile engineering practices, CI/CD, TDD, quality & the Developer accountabilities within a Scrum Team. Pass 85%. · Official language: English.
Verified content — Wrexa Edge's PSD I bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for PSD I
- Real test-day interface
- 50 distinct variants
- Detailed analytics
- Spaced repetition (Notebook)
- Optional proctoring
- Free to start
Expert take: what PSD I really tests
Professional Scrum Developer I (PSD I), from Scrum.org, validates the knowledge developers need to apply Scrum together with modern agile engineering practices while building software in a Scrum Team. It is an online assessment of 80 questions in 60 minutes, with an 85% passing score, based on the current Scrum Guide and agile engineering techniques. There is no prerequisite, and the certification is lifetime.
Preparation tips
- Know the Scrum Guide cold — accountabilities, events and artifacts.
- Understand agile engineering practices: CI/CD, TDD and refactoring.
- Use the Scrum.org open practice assessments before booking.
Common mistakes to avoid
- Treating it as a coding test — it assesses Scrum plus engineering knowledge, not a language.
- Under-preparing the Definition of Done and quality practices.
PSD I study plan
A phase-by-phase roadmap from your first concept to test-ready. Stretch or compress each phase to fit the time you have before your attempt.
- Read the current Scrum Guide
- Product Owner, Scrum Master and Developer accountabilities
- 80 questions in 60 minutes, pass 85%
- Sprint, events and artifacts
- Agile engineering: CI/CD, TDD, refactoring
- Definition of Done and quality
- Scrum.org open practice assessments
- Time-boxed mock runs
- Target consistently above 85%
Where PSD I can take you
A strong PSD I result opens up these careers and higher-study paths:
- Software developer on a Scrum Team
- Lifetime credential
Best books & official prep for PSD I
- The Scrum Guide — Ken Schwaber & Jeff Sutherland
- Scrum.org PSD learning path & practice — Scrum.org
Official practice: Study the Scrum Guide and the Scrum.org Professional Scrum Developer learning path; practise agile engineering techniques and use the open practice assessments, aiming for the 85% passing score.
Previous-year papers: Scrum.org offers open practice assessments to prepare.
Sample PSD I practice questions
5 questions taken from the PSD I mock tests on Wrexa Edge. Try each one, then reveal the answer.
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Q1. What is the primary purpose of the Daily Scrum for Developers?
- To report status to the Scrum Master
- To let managers track individual productivity
- To re-estimate all remaining Product Backlog items
- To inspect progress toward the Sprint Goal and adapt the Sprint Backlog as needed
Show answer
Answer: D — To inspect progress toward the Sprint Goal and adapt the Sprint Backlog as needed
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Q2. The Sprint Backlog is composed of the Sprint Goal, the selected Product Backlog items, and:
- An actionable plan for delivering the Increment
- A signed contract with stakeholders
- A fixed list of who will do each task
- The release date for the product
Show answer
Answer: A — An actionable plan for delivering the Increment
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Q3. Who can add work to the Sprint Backlog during the Sprint?
- The Product Owner, at any time
- Only the Developers, as more is learned
- The Scrum Master, to keep the team busy
- Any stakeholder who has a new request
Show answer
Answer: B — Only the Developers, as more is learned
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Q4. What is a usable Increment?
- Any code committed to the repository during the Sprint
- A design document describing the next release
- A concrete stepping stone toward the Product Goal that is verified to work and meets the Definition of Done
- A demonstration prepared only for the Sprint Review
Show answer
Answer: C — A concrete stepping stone toward the Product Goal that is verified to work and meets the Definition of Done
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Q5. An Increment may be delivered to stakeholders:
- Only at the Sprint Review
- Only after a separate release Sprint
- Only once the Product Owner writes a release plan
- Before the end of the Sprint; the Sprint Review is not a gate for releasing value
Show answer
Answer: D — Before the end of the Sprint; the Sprint Review is not a gate for releasing value
Frequently asked questions
- What is the PSD I exam pattern?
- Professional Scrum Developer (Scrum.org) contains 60 questions across 1 section: PSD I (60 Q). Total duration is 60 minutes (about 60 seconds per question).
- Does PSD I have negative marking?
- No — PSD I has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is PSD I scored?
- Scaled score range: 100 to 1000. PSD I (pass 700/1000).
- How can I practise PSD I online for free?
- Wrexa Edge gives you a free full-length PSD I mock test — with instant scoring, detailed explanations and analytics — plus 49 more with a one-time $1.99 unlock that never expires. Start practising in under a minute, no card required.
- What is the difficulty level of PSD I?
- PSD I is rated Intermediate difficulty on Wrexa Edge. Intermediate-level: assumes a working command of the syllabus. Most candidates need 2-4 months of focused prep. PSD I · 80 Q in 60m. Scrum for developers — agile engineering practices, CI/CD, TDD, quality & the Developer accountabilities within a Scrum Team. Pass 85%. · Official language: English.
- How long is the PSD I exam?
- PSD I runs for 60 minutes total. On Wrexa Edge the timer is enforced exactly as on the real exam — including no inter-section breaks.
- What topics are covered in PSD I?
- PSD I is split into: PSD I (60 Q). Each section is timed and weighted separately. PSD I · 80 Q in 60m. Scrum for developers — agile engineering practices, CI/CD, TDD, quality & the Developer accountabilities within a Scrum Team. Pass 85%. · Official language: English.
- What tools or aids are allowed during PSD I?
- No special tools are required. Note: real exam is proctored — Wrexa Edge mirrors this with a webcam-based proctoring flow you can enable.
- Is the PSD I test adaptive?
- No — PSD I is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many PSD I mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct PSD I variants — each with different question content, not just shuffled options — the first one free for everyone and 49 more with a one-time $1.99 unlock. That's 3000 unique practice questions in the real test-day interface.
- Is there a free PSD I test series 2026?
- Yes. The Wrexa Edge PSD I test series for 2026 gives you a free full-length mock test (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are PSD I previous year question–style papers included?
- Every PSD I mock is modelled on the official exam pattern and the style of previous years' papers — the same 60-question structure, sections and marking — so your practice mirrors the real paper you'll sit.
- Which is the best free PSD I mock test online?
- Wrexa Edge's PSD I mock test replicates the real exam interface, timing and marking scheme, with instant score, section-wise analysis and 50 fresh variants — a strong free choice for 2026 preparation.
- Can I take the PSD I mock test on mobile?
- Yes. PSD I mock tests run in any browser on mobile, tablet or desktop — no app or download needed. Start on your phone and your progress and analytics sync when you sign in.
- What is the PSD I syllabus?
- The PSD I syllabus maps to its 1 section: PSD I (60 Q). Wrexa Edge's mock tests cover the complete syllabus topic by topic — see the topics-covered breakdown above — so you practise every area at real exam difficulty.
- What is the eligibility for PSD I?
- No formal prerequisite; a working understanding of Scrum and of agile software-development practices is recommended. Wrexa Edge focuses on realistic PSD I practice: a free full-length mock in the exact exam pattern, ready whenever you are.
- When is the PSD I exam and how should I prepare?
- Official PSD I exam dates are announced by the conducting body for each cycle — check the latest notification for the current schedule. To be ready, follow a phased study plan and take full-length timed mocks; Wrexa Edge gives you a free PSD I mock with instant scoring so you can track your readiness week by week.
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