AI CertArena

Free timed practice

Grind AI certification questions like it's LeetCode.

450 original questions across 9 tracks from AWS, Azure, Google Cloud, Anthropic, Databricks, and OpenAI. Every miss comes with an explanation and a source link.

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CCDV-FTry one nowTimed practice

A CI pipeline authenticates to the Claude API with a personal API key that a senior engineer created. That engineer is leaving the company next month.

What should the team switch the pipeline to?

  1. AThe same personal key, re-enabled once the departing engineer's account is archived
  2. BA service account key or Workload Identity Federation, giving CI its own identity
  3. CAnother engineer's personal API key, copied into the CI secret store at handover
  4. DA personal key with its expiration set to Never, so it survives staff changes
Pick an answer. It's anonymous and nothing is saved →

Practice tracks for

Anthropic AWS Microsoft Azure Google Cloud Databricks OpenAI

Today's five

Five questions, five minutes, and a streak to keep.

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Certification practice or untimed interview labs. All of it free.

Everything here is free. The official exams are priced and run by their providers, and each study guide lists the cost. This is independent practice, not a vendor exam: scores are percent correct with an 80% study goal, not a pass prediction. How scoring works →

PracticeTimed practice
Question 1 of 5
05:00
Loading question...
0 / 5 answered
Practice complete

Claude Certified Architect: Foundations

0
Percent correct in this practice set
PRACTICE RESULT
Questions answered correctly
82%
Your accuracy and topic feedback will appear here after you finish a practice set.

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Where to focus next

Lowest accuracy topics first. Small samples are a starting point for more practice.

Practice history

Newest first. Open a review to revisit answers and practice your misses.

DateTrackModeAccuracyTimeEvaluation