
Repaso Analítica Web
Flashcard
•
Information Technology (IT)
•
University
•
Practice Problem
•
Hard
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10 questions
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1.
FLASHCARD QUESTION
Front
Un Data Warehouse diseñado para consultas analíticas debe priorizar: Estructuras optimizadas para consultas multidimensionales y agregación de datos.
Back
Estructuras optimizadas para consultas multidimensionales y agregación de datos.
2.
FLASHCARD QUESTION
Front
En Apache Spark, el componente principal que permite la manipulación eficiente de datos distribuidos es:
Back
DataFrame API.
3.
FLASHCARD QUESTION
Front
Un ingeniero diseña un proceso ETL para capturar cambios en datos históricos sin eliminar información previa. ¿Qué estrategia SCD debería usar?
Back
SCD Tipo 2.
4.
FLASHCARD QUESTION
Front
En redes neuronales profundas, el problema del "vanishing gradient" ocurre cuando:
Back
Se tienen demasiadas capas ocultas y los gradientes se vuelven insignificantes.
5.
FLASHCARD QUESTION
Front
¿Qué técnica de regularización se usa para reducir el impacto de características irrelevantes en un modelo de Machine Learning?
Back
L1 (Lasso).
6.
FLASHCARD QUESTION
Front
Dado un modelo de aprendizaje supervisado, ¿qué métrica es más útil para evaluar un problema de clasificación desbalanceado?
Back
Curva ROC-AUC.
7.
FLASHCARD QUESTION
Front
En el modelo de Naive Bayes, se asume que:
Back
Las características son independientes entre sí.
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