Practice DY0-001 Exam Online

Question 1

What type of temporal model focuses on analyzing data collected over consecutive time intervals to detect patterns or trends?

A : Causal inference

B : Survival analysis

C : Time series

D : Longitudinal studies

Answer: C

Question 2

What is an essential consideration when communicating results and recommendations to business stakeholders?

A : Including technical jargon

B : Providing excessive detail

C : Tailoring communication to the audience

D : Avoiding visualizations

Answer: C

Question 3

What is the primary purpose of the CRISP-DM (Cross-Industry Standard Process for Data Mining) framework in the context of data science projects?

A : To provide a structured approach to the entire data science life cycle

B : To optimize model performance and accuracy

C : To facilitate collaboration among team members

D : To automate data preprocessing and feature engineering

Answer: A

Question 4

Which exploratory data analysis (EDA) method is used to visualize the relationship between two continuous variables?

A : Scatter plot

B : Box and whisker plot

C : Histogram

D : Bar plot

Answer: A

Question 5

What is the primary objective of feature importance analysis in machine learning?

A : To select the best hyperparameters for the model

B : To preprocess the input data before training the model

C : To identify the most influential features for predicting the target variable

D : To evaluate the performance of a trained model

Answer: C

Name:	CompTIA Data Science Certification
Exam Code:	DY0-001
Certification:	CompTIA Data+
Vendor:	CompTIA
Total Questions:	265
Last Updated:	Apr 25, 2024

CompTIA DY0-001