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Pergunta 1 de 8

Which training-log entry describes one completed epoch?

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  1. Which training-log entry describes one completed epoch?
    • A full pass through the training dataset
    • One optimizer update from a single example
    • A test performed after deployment
    • A record of one model prediction
  2. Which sequence describes a basic supervised training step?
    • The test set updates weights, then training labels are generated
    • The model writes a target answer, then deletes the input
    • The model predicts, loss compares with a target, and an optimizer updates parameters
    • A prompt changes weights and the loss is ignored
  3. Validation has selected a training configuration. Why evaluate that model on a separate test set next?
    • To use its labels for every weight update
    • To evaluate the selected model on data not used to fit or choose it
    • To make the training loss smaller
    • To store preprocessing rules
  4. How can a data split leak information?
    • All records from one source are kept together
    • Later periods are used only for later forecasts
    • Preprocessing rules are stored with the model
    • Related records from the same person or event are split across train and test
  5. Does typing a prompt into an already trained model necessarily train it?
    • No; a prompt changes the current context, while weight updates are a separate process
    • Yes; every prompt immediately updates model parameters
    • Yes, but only if the answer is long
    • No; prompts are ignored by trained models
  6. What should be saved with a training checkpoint to support reproducibility?
    • Only the final model filename
    • Only the training loss
    • Data version, preprocessing rules, model configuration, and evaluation results
    • The test labels mixed into training
  7. Why does the training objective matter?
    • It guarantees the model learns the outcome that users care about
    • It determines what the model is rewarded for learning
    • It is the same as the model’s deployment policy
    • It removes the need for test data
  8. What does a lower training loss establish?
    • That the model will generalize to all new examples
    • That the labels are factually correct
    • That deployment monitoring is unnecessary
    • Better agreement with the training objective, not reliability on every future input