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Current cert prep for data practitioners

Start with free practice questions, then study the gap, drill the objective, and take the mock when you want the full rehearsal.

  • Written against each vendor's current published guide
  • Official docs are linked from the work itself
  • Ten free questions, every explanation shown
  • No account needed to start

◇ the flow

Free practice, then study, then the mock.

Three surfaces, in the order people actually use them. Each one starts by picking the certification you are taking.

Start here

Try free practice questions

Get a fast read on the weak areas before you sign in. The result points at the sections that need work.

Then take it

Finish with the mock

When you want the rehearsal, take the exam-shaped paper and use the review page to work the misses back into the notes.

◇ access

Free to start. Paid to go deep.

Ten practice questions per certification, with every explanation shown, and every study note: free, no account. The full bank, the objective drills and the weighted mocks are $19 for one certification or $49 for all of them.

Free

$0 no account needed

Ten practice questions per certification, with every explanation shown, plus every study note. Full mocks and objective drills are paid.

  • Ten practice questions per certification
  • Every explanation, right and wrong options alike
  • Every study note, one per exam objective
Try free practice questions

Per certification

$19 once, permanent

Unlocks one certification's full bank, drills, and weighted mocks, for good, including questions added to it later.

  • Unlimited untimed drilling, objective by objective
  • 2 guaranteed-fresh full mocks
  • Every explanation, sourced from the vendor's own docs
Pick a certification
All-access

Every certification

$49 for 12 months

One charge covers every certification we publish, including ones not live yet, for 12 months from purchase. Not forever: a growing catalogue for one payment would only get worse for us to keep honoring.

  • Everything in the per-certification tier, for every track
  • Covers a certification the moment it goes live
  • Still well under one $200 exam fee
Browse certifications

Both prices are in USD and include any VAT or sales tax, so the amount shown is the amount charged, wherever you are.

See what access covers for the three tiers in full, and for what we do and do not claim about how current the questions are.

Find out what you are missing.

Start without an account, then keep the work when you sign in.