GDPR & Compliance Tracking
20 questions20 hard questions covering GDPR enforcement, Schrems II, EU-US data transfers, the ePrivacy Directive, and real regulatory decisions that affect web analytics.
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Client-Side GTM Architecture
20 questions20 hard questions testing your knowledge of dataLayer recursion, race conditions, tag sequencing, and custom DOM manipulations inside Google Tag Manager.
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Server-Side GTM Engineering
20 questions20 hard questions covering the sGTM lifecycle, sandbox sandboxing, HttpOnly cookies, deduplication mechanics, and Cloud Run scaling.
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GA4 Data Architecture
20 questions20 hard questions focusing on how GA4 actually works under the hood — BigQuery struct unnesting, identity spaces, engaged session logic, and API limits.
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