CCDV-F objective 7.3 · Domain 7 · 8.1% of the exam
Claude Hooks
A small objective with sharp mechanics. The pre and post split is a split in capability: one fires before a tool runs and can stop it or rewrite its input, the other fires afterwards and can log, record and attach context while being unable to change the result on its way into the conversation. Blocking is an exit-code contract, and a status that merely signals failure reads as the callback itself having broken. Something shared through a repository can be switched off locally.
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The rest of domain 7: Security and Safety
This domain is 8.1% of a scored form, about 4 of the 53, spread across 4 objectives. Drill the whole domain or pick another objective below.
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