Databricks DE (Databricks Certified Data Engineer Associate) — Free Online Mock Test
Databricks Lakehouse fundamentals · 45 Q in 90m · Spark, Delta Lake, Unity Catalog, ETL with Workflows. · Official language: English.
Advanced
Tech & IT Certifications
60 questions
120 min
50 distinct variants
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Databricks DE exam at a glance
Databricks DE section breakdown
The Databricks DE 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.
Databricks DE scoring & marking scheme
100–1000
Scaled score range
Strategy: Databricks DE has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.
Scale: Databricks DE (pass 700/1000).
How Databricks DE is conducted
Mode
Proctored — Wrexa Edge mirrors this with a webcam-based proctoring flow (face detection, room scan, fullscreen lock, tab-switch detection).
Test format
Linear / fixed-form — every candidate sees the same number of questions per section.
Backtracking
Allowed — you can revisit and change answers within a section.
Mark for review
Available — flag tough questions and return to them before submitting the section.
Databricks DE time strategy
With 60 questions in 120 minutes, you have about 120 seconds per question on average. Successful candidates aim for the following pacing on each section:
Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.
Databricks DE topics covered
Across the 50 Wrexa Edge variants of Databricks DE, the following topics appear most often (sample distribution from one variant):
Databricks DE (60 Q)
- Databricks — Performance · 10
- Databricks — Delta Lake · 10
- Databricks — Spark · 7
- Databricks — Streaming · 6
- Databricks — DLT · 5
- Databricks — Unity Catalog · 4
- Databricks — Architecture · 3
- Databricks — Ingestion · 3
Sample Databricks DE questions
A preview of real practice questions from the Wrexa Edge Databricks DE bank — the same style, phrasing and difficulty you'll face on test day. Full solutions unlock free inside the mock.
Databricks DE (60 Q) · Databricks — Performance
Q1. OPTIMIZE on a Delta table:
Why: Correct answer: D — Compacts small files into larger ones. Topic: Databricks — Performance.
Databricks DE (60 Q) · Databricks — Performance
Q2. Z-ORDER (with OPTIMIZE) improves:
Why: Correct answer: A — Data skipping by co-locating related values. Topic: Databricks — Performance.
Databricks DE (60 Q) · Databricks — Delta Lake
Q3. VACUUM on a Delta table:
Why: Correct answer: B — Removes old data files no longer referenced (past retention). Topic: Databricks — Delta Lake.
Databricks DE (60 Q) · Databricks — Delta Lake
Q4. Schema enforcement in Delta:
Why: Correct answer: C — Rejects writes that don't match the table schema. Topic: Databricks — Delta Lake.
Databricks DE (60 Q) · Databricks — Delta Lake
Q5. Schema evolution (mergeSchema) allows:
Why: Correct answer: D — Adding new columns on write when enabled. Topic: Databricks — Delta Lake.
Databricks DE (60 Q) · Databricks — Architecture
Q6. The Medallion architecture layers are:
Why: Correct answer: A — Bronze (raw) → Silver (cleaned) → Gold (aggregated/business). Topic: Databricks — Architecture.
These are a handful of the 3000 unique Databricks DE questions across all 50 Wrexa Edge variants — start a free mock to attempt the full set with instant scoring.
Databricks DE difficulty calibration
Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.
Databricks Lakehouse fundamentals · 45 Q in 90m · Spark, Delta Lake, Unity Catalog, ETL with Workflows. · Official language: English.
Verified content — Wrexa Edge's Databricks DE bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).
How Wrexa Edge prepares you for Databricks DE
Real test-day interface
Our cert skin mirrors the actual Databricks DE testing software — same timer, palette, tools, and navigation.
50 distinct variants
3000 unique practice questions, each variant a fresh test — not just shuffled options.
Detailed analytics
Scaled score, section accuracy, topic-wise heatmap, time-per-question — see where to focus after every attempt.
Spaced repetition (Notebook)
Wrong answers and flagged questions flow into an SM-2 spaced-repetition deck so you actually retain what you learn.
Optional proctoring
Browser-based face-api detection (no install) — turn it on to simulate real Databricks DE test-day conditions.
Free to start
No credit card. Sign up, pick a variant, and your first Databricks DE mock starts in under a minute.
Databricks DE 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.
1
Phase 1 — Learn the syllabus
Weeks 1–4
- Work through every section — Databricks DE (60 Q) — from your core study material
- Make short notes and a formula/fact sheet you can revise quickly
- Attempt topic questions right after finishing each area
2
Phase 2 — Practice & sectionals
Weeks 5–8
- Solve previous-year and practice questions section by section
- Time yourself on Databricks DE (60 Q) and your weakest areas
- Keep an error log and revisit every mistake weekly
3
Phase 3 — Full-length mocks
Weeks 9–12
- Take full-length Databricks DE mocks in the real test interface
- Analyse accuracy, time per question and silly mistakes after each mock
- Revise from notes and re-attempt only weak-topic questions
Where Databricks DE can take you
A strong Databricks DE result opens up these careers and higher-study paths:
Cloud, DevOps & security roles
A recognised certification unlocks engineer, administrator and architect roles at product and services firms.
Salary & promotion boost
Certified professionals command higher pay and are prioritised for internal promotions and project leads.
Remote & freelance work
In-demand skills open global remote roles and independent consulting opportunities.
Frequently asked questions
- What is the Databricks DE exam pattern?
- Databricks Certified Data Engineer Associate contains 60 questions across 1 section: Databricks DE (60 Q). Total duration is 120 minutes (about 120 seconds per question).
- Does Databricks DE have negative marking?
- No — Databricks DE has no negative marking. Each correct answer is worth 1 mark, so attempt every question.
- How is Databricks DE scored?
- Scaled score range: 100 to 1000. Databricks DE (pass 700/1000).
- How can I practise Databricks DE online for free?
- Wrexa Edge gives you 10 free full-length Databricks DE mock tests — with instant scoring, detailed explanations and analytics — plus 40 more with Pro. Start practising in under a minute, no card required.
- What is the difficulty level of Databricks DE?
- Databricks DE is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. Databricks Lakehouse fundamentals · 45 Q in 90m · Spark, Delta Lake, Unity Catalog, ETL with Workflows. · Official language: English.
- How long is the Databricks DE exam?
- Databricks DE runs for 120 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 Databricks DE?
- Databricks DE is split into: Databricks DE (60 Q). Each section is timed and weighted separately. Databricks Lakehouse fundamentals · 45 Q in 90m · Spark, Delta Lake, Unity Catalog, ETL with Workflows. · Official language: English.
- What tools or aids are allowed during Databricks DE?
- 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 Databricks DE test adaptive?
- No — Databricks DE is a fixed-form (linear) test. Every candidate sees the same number of questions per section.
- How many Databricks DE mock tests does Wrexa Edge offer?
- Wrexa Edge generates 50 distinct Databricks DE variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 3000 unique practice questions in the real test-day interface.
- Is there a free Databricks DE test series 2026?
- Yes. The Wrexa Edge Databricks DE test series for 2026 gives you 10 free full-length mock tests (50 in total) plus subject-wise and topic-wise tests — instant scoring and detailed analysis, no card required.
- Are Databricks DE previous year question–style papers included?
- Every Databricks DE 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 Databricks DE mock test online?
- Wrexa Edge's Databricks DE 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 Databricks DE mock test on mobile?
- Yes. Databricks DE 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 Databricks DE syllabus?
- The Databricks DE syllabus maps to its 1 section: Databricks DE (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 Databricks DE?
- Eligibility for Databricks DE — age, qualification and number of attempts — is set by the official conducting body and can change each cycle, so always confirm the current official notification before applying. Wrexa Edge focuses on realistic Databricks DE practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.
- When is the Databricks DE exam and how should I prepare?
- Official Databricks DE 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 10 free Databricks DE mocks with instant scoring so you can track your readiness week by week.
Ready to ace Databricks DE?
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