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Oracle Cloud Infrastructure Data Science Professional Sample Questions:

1. What is the primary difference between a data scientist and a data engineer?

A) A data engineer collects and prepares data, and a data scientist then analyzes it.
B) A data engineer creates data flows to be used as templates by the data analyst.
C) A data engineer analyzes data after a data scientist collects and prepares it.
D) A data engineer builds data pipelines and helps prepare data, while a data scientist is responsible for data collection, preparation, and analysis.

2. You are a data scientist working inside a notebook session and you attempt to pip install a package from a public repository that is not included in your conda environment. After running this command, you get a network timeout error. What might be missing from your network configuration?

A) The NAT Gateway with public internet access
B) FastConnect to an on-premises network
C) Primary Virtual Network Interface Card (VNIC)
D) Service Gateway with private subnet access

3. You want to make your model more parsimonious to reduce the cost of collecting and processing dat a. You plan to do this by removing features that are highly correlated. You would like to create a heatmap that displays the correlation so that you can identify candidate features to remove. Which Accelerated Data Science (ADS) SDK method would be appropriate to display the correlation between Continuous and Categorical features?

A) correlation_ratio_plot()
B) corr()
C) pearson_plot()
D) cramersv_plot()

4. You are using Oracle Cloud Infrastructure (OCI) Anomaly Detection to train a model to detect anomalies in pump sensor dat a. How does the required False Alarm Probability setting affect an anomaly detection model?

A) It adds a score to each signal indicating the probability that it’s a false alarm
B) It changes the sensitivity of the model to detecting anomalies
C) It is used to disable the reporting of false alarms
D) It determines how many false alarms occur before an error message is generated

5. What is the minimum active storage duration for logs used by Logging Analytics to be archived?

A) 60 days
B) 30 days
C) 10 days
D) 15 days

Solutions: