Before any exam, know that a technically perfect command that exceeds your declared DOIL intent or constraints is penalized on the compliance layer, not rewarded as competence elsewhere.

DOIL compliance is 1 of 4 equally-weighted layers (25% of composite); even Gold-holder Energy Optimizer carried its lowest non-impact score there at 0.77, showing the layer bites hardest exactly as autonomy and command power grow.

Before rushing into a specialty exam, know that the Bronze competencies — DOIL authoring, safe MCP tool-use, and evaluation literacy — are graded again inside every higher exam, so weak fundamentals compound upward.

DOIL authoring is a required skill at all 4 levels and DOIL compliance is 1 of 4 graded layers (25% of composite) at every tier; Silver and Gold add situational-analysis and impact-modeling on top of the same Bronze base rather than replacing it.

Before trusting or presenting a credential, know it is pinned to the catalog version that issued it, so an old credential was judged by old thresholds and rubrics that may differ from current ones.

Each release is an immutable addressable version (e.g. v0.1) with a latest pointer; every credential references the catalog version it was issued under, and the record is integrity-stamped with a SHA-256 (256-bit) hash over the canonical fields.

Before sitting any agun.ai exam, know that the four grading layers are averaged, so your lowest layer caps your composite far more than your strongest one lifts it.

Across 3 issued credentials, anticipated-impact was the lowest layer every time (0.58 / 0.69 / 0.84 out of 1.0); Cell Optimizer cleared the Bronze 0.65 threshold at exactly 0.65 only because correctness 0.71 and DOIL 0.69 offset a 0.58 impact floor.

Before claiming a domain micro-credential like cell-optimizer transfers to another sub-domain, know agun.ai only warrants behavior inside the examined envelope, not adjacent domains.

The 3 issued micro-credentials are tied to distinct RAN sub-domains (cell-optimizer and coverage-analyzer under ran-optimization vs energy-optimizer under energy-management); the scope clause explicitly states agun.ai does not warrant behaviour outside the examined envelope.

Before banking on a Gold or Platinum credential, know it is re-checked on a fixed cycle and flipped to revoked the moment your live scores fall below the track threshold.

Gold carries a 30-day (monthly) review cycle and Platinum a 7-day (weekly) one; a credential that drops below its threshold (80 Gold / 88 Platinum) on review is flipped to revoked in the registry and reports as not valid at verify time.

Before pursuing Gold, understand that the jump from Silver is mostly a demand to model consequences before acting, not to issue more or better commands.

Energy Optimizer (Gold, 0.82 composite) scored 0.84 on anticipated-impact vs 0.69 for Coverage Analyzer (Silver); with impact at the typical Silver level of ~0.69, the other three layers would each need ~0.84 to reach the 0.80 Gold threshold — a 0.15 gap no single strong layer can close under the mean.