OCI Data Science Professional (Oracle Cloud Infrastructure Data Science Professional) — Free Online Mock Test

OCI Data Science Professional exam at a glance

OCI Data Science Professional key facts & eligibility

Who is eligible for OCI Data Science Professional?

No formal prerequisite; hands-on OCI Data Science experience, Python and machine-learning fundamentals are recommended.

Last verified July 2026 against Oracle — OCI Data Science Professional (1Z0-1110-25). Always confirm current details on the official website before you register.

OCI Data Science Professional section breakdown

The OCI Data Science Professional 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.

• OCI Data Science Professional (55 Q)
  55 questions · 120 minutes · ~131 sec/question

OCI Data Science Professional scoring & marking scheme

Strategy: OCI Data Science Professional has no negative marking. Attempt every question — blank answers cost you potential marks but cannot pull your score down.

Scale: OCI Data Science Professional (pass 700/1000).

How OCI Data Science Professional 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.

OCI Data Science Professional time strategy

With 55 questions in 120 minutes, you have about 131 seconds per question on average. Successful candidates aim for the following pacing on each section:

• OCI Data Science Professional (55 Q)
  Target ~131 sec/question. If a question takes more than 197 seconds, mark for review and move on.

Wrexa Edge's analytics show your actual time-per-question after every mock so you can spot which sections you're losing time on.

OCI Data Science Professional topics covered

Across the 50 Wrexa Edge variants of OCI Data Science Professional, the following topics appear most often (sample distribution from one variant):

OCI Data Science Professional (55 Q)

• Cloud+ — Storage · 7
• Cloud+ — Networking · 7
• Cloud+ — Architecture · 5
• Cloud+ — Models · 4
• Cloud+ — Characteristics · 3
• ML — Recall · 1
• ML — F1 · 1
• ML — AUC-ROC · 1

OCI Data Science Professional difficulty calibration

Advanced tier. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep.

OCI · ~60 Q in 120m. ML lifecycle on OCI Data Science — notebooks, model training, deployment, MLOps, model catalog & pipelines. · Official language: English.

Verified content — Wrexa Edge's OCI Data Science Professional bank has been deeply curated with real exam-aligned content (estimated 100% syllabus coverage).

How Wrexa Edge prepares you for OCI Data Science Professional

• Real test-day interface
  Our cert skin mirrors the actual OCI Data Science Professional testing software — same timer, palette, tools, and navigation.
• 50 distinct variants
  2750 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 OCI Data Science Professional test-day conditions.
• Free to start
  No credit card. Sign up, pick a variant, and your first OCI Data Science Professional mock starts in under a minute.

Expert take: what OCI Data Science Professional really tests

The Oracle Cloud Infrastructure Data Science Professional certification, from Oracle, validates designing, building and managing machine-learning workflows on the OCI Data Science service — notebook sessions, the Accelerated Data Science SDK, the model catalog and model deployment. It is year-versioned (current release 1Z0-1110-25), a multiple-choice exam of about 50 questions in 90 minutes with a passing score of 68%. It has no formal prerequisite, and Oracle refreshes it annually.

OCI Data Science Professional 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.

Where OCI Data Science Professional can take you

A strong OCI Data Science Professional result opens up these careers and higher-study paths:

• OCI data scientist
  Validates building ML workflows on the OCI Data Science service.
• ML engineering roles
  A professional data-science credential for Oracle Cloud.

Best books & official prep for OCI Data Science Professional

• OCI Data Science Professional learning path — Oracle University
  Official training for the current exam version.
• OCI Data Science practice tests — Various
  ML workflows, ADS SDK, model catalog and deployment.

Official practice: Follow the Oracle University OCI Data Science learning path across notebooks, the ADS SDK, the model catalog and deployment; the pass mark is 68%.

Previous-year papers: Oracle publishes the exam topics; providers supply practice questions.

Frequently asked questions

What is the OCI Data Science Professional exam pattern?

Oracle Cloud Infrastructure Data Science Professional contains 55 questions across 1 section: OCI Data Science Professional (55 Q). Total duration is 120 minutes (about 131 seconds per question).

Does OCI Data Science Professional have negative marking?

No — OCI Data Science Professional has no negative marking. Each correct answer is worth 1 mark, so attempt every question.

How is OCI Data Science Professional scored?

Scaled score range: 100 to 1000. OCI Data Science Professional (pass 700/1000).

How can I practise OCI Data Science Professional online for free?

Wrexa Edge gives you 10 free full-length OCI Data Science Professional 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 OCI Data Science Professional?

OCI Data Science Professional is rated Advanced difficulty on Wrexa Edge. Advanced-level: high-stakes exam with rigorous content depth. Expect 4-8 months of structured prep. OCI · ~60 Q in 120m. ML lifecycle on OCI Data Science — notebooks, model training, deployment, MLOps, model catalog & pipelines. · Official language: English.

How long is the OCI Data Science Professional exam?

OCI Data Science Professional 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 OCI Data Science Professional?

OCI Data Science Professional is split into: OCI Data Science Professional (55 Q). Each section is timed and weighted separately. OCI · ~60 Q in 120m. ML lifecycle on OCI Data Science — notebooks, model training, deployment, MLOps, model catalog & pipelines. · Official language: English.

What tools or aids are allowed during OCI Data Science Professional?

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 OCI Data Science Professional test adaptive?

No — OCI Data Science Professional is a fixed-form (linear) test. Every candidate sees the same number of questions per section.

How many OCI Data Science Professional mock tests does Wrexa Edge offer?

Wrexa Edge generates 50 distinct OCI Data Science Professional variants — each with different question content, not just shuffled options — the first 10 free for everyone and 40 more with Pro. That's 2750 unique practice questions in the real test-day interface.

Is there a free OCI Data Science Professional test series 2026?

Yes. The Wrexa Edge OCI Data Science Professional 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 OCI Data Science Professional previous year question–style papers included?

Every OCI Data Science Professional mock is modelled on the official exam pattern and the style of previous years' papers — the same 55-question structure, sections and marking — so your practice mirrors the real paper you'll sit.

Which is the best free OCI Data Science Professional mock test online?

Wrexa Edge's OCI Data Science Professional 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 OCI Data Science Professional mock test on mobile?

Yes. OCI Data Science Professional 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 OCI Data Science Professional syllabus?

The OCI Data Science Professional syllabus maps to its 1 section: OCI Data Science Professional (55 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 OCI Data Science Professional?

Eligibility for OCI Data Science Professional — 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 OCI Data Science Professional practice: 10 free full-length mocks in the exact exam pattern, ready whenever you are.

When is the OCI Data Science Professional exam and how should I prepare?

Official OCI Data Science Professional 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 OCI Data Science Professional mocks with instant scoring so you can track your readiness week by week.

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