Oracle Cloud Infrastructure Data Science Professional (1Z0-1110-26) Free Practice Test

Question 1

Which CLI command allows the customized conda environment to be shared with co-workers?

A. odsc conda install

B. odsc conda publish

C. odsc conda modify

D. odsc conda clone

Correct Answer: B

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Question 2

You want to use ADSTuner to tune the hyperparameters of a supported model you recently trained. You have just started your search and want to reduce the computational cost as well as assess the quality of the model class that you are using. What is the most appropriate search space strategy to choose?

A. Detailed

B. Pass a dictionary that defines a search space

C. Perfunctory

D. ADSTuner doesn’t need a search space to tune the hyperparameters

Correct Answer: C

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Question 3

Which encryption is used for Oracle Data Science?

A. 256-bit Advanced Encryption Standard (AES-256)

B. Triple DES (TDES)

C. Rivest Shamir Adleman (RSA)

D. Twofish

E. Data Encryption Standard (DES)

Correct Answer: A

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Question 4

You are working in your notebook session and find that your notebook session does not have enough compute CPU and memory for your workload. How would you scale up your notebook session without losing your work?

A. Deactivate your notebook session, provision a new notebook session on a larger compute shape, and recreate all your file changes

B. Download your files and data to your local machine, delete your notebook session, provision a new notebook session on a larger compute shape, and upload your files from your local machine to the new notebook session

C. Ensure your files and environments are written to the block volume storage under the /home/datascience directory, deactivate the notebook session, and activate the notebook with a larger compute shape selected

D. Create a temporary bucket in Object Storage, write all your files and data to Object Storage, delete the notebook session, provision a new notebook session on a larger compute shape, and copy your files and data from your temporary bucket to your new notebook session

Correct Answer: C

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Question 5

You realize that your model deployment is about to reach its utilization limit. What would you do to avoid the issue before requests start to fail? Which THREE steps would you perform?

A. Update the deployment to use fewer instances

B. Reduce the load balancer bandwidth limit so that fewer requests come in

C. Update the deployment to add more instances

D. Update the deployment to use a larger virtual machine (more CPUs/memory)

E. Delete the deployment

Correct Answer: B,C,D

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Question 6

You are a computer vision engineer building an image recognition model. You decide to use Oracle Data Labeling to annotate your image dat a. Which of the following THREE are possible ways to annotate an image in Data Labeling?

A. Adding labels to an image using semantic segmentation, by drawing multiple bounding boxes to an image

B. Adding labels to an image using object detection, by drawing bounding boxes to an image

C. Adding labels to an image by drawing a bounding box to an image is not supported by Data Labeling

D. Adding a single label to an image

E. Adding multiple labels to an image

Correct Answer: B,D,E

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Question 7

A bike sharing platform has collected user commute data for the past 3 years. For increasing profitability and making useful inferences, a machine learning model needs to be built from the accumulated data. Which of the following options has the correct order of the required machine learning tasks for building a model?

A. Data Access, Data Exploration, Feature Exploration, Feature Engineering, Modeling

B. Data Access, Data Exploration, Feature Engineering, Feature Exploration, Modeling

C. Data Access, Feature Exploration, Feature Engineering, Data Exploration, Modeling

D. Data Access, Feature Exploration, Data Exploration, Feature Engineering, Modeling

Correct Answer: B

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Question 8

On which option do you set Oracle Cloud Infrastructure Budget?

A. Tenancy

B. Free-form tags

C. Instances

D. Compartments

Correct Answer: A

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Question 9

Which statement about resource principals is true?

A. The Data Science service does not provide authentication via a notebook session’s or job run’s resource principal to access other OCI resources.

B. A resource principal is a feature of IAM that enables resources to be authorized principal actors.

C. A resource principal is not a secure way to authenticate to resources, compared to the OCI configuration and API key approach.

D. When you authenticate using a resource principal, you need to create and manage credentials to access OCI resources.

Correct Answer: B

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Question 10

As a data scientist, you are working on a global health dataset that has data from more than 50 countries. You want to encode three features, such as 'countries', 'race', and 'body organ' as categories. Which option would you use to encode the categorical feature?

A. OneHotEncoder()

B. show_in_notebook()

C. DataFrameLabelEncode()

D. auto_transform()

Correct Answer: A

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Question 11

In which two ways can you improve data durability in Oracle Cloud Infrastructure Object Storage?

A. Limit delete permissions

B. Enable server-side encryption

C. Enable Versioning

D. Setup volumes in a RAID1 configuration

E. Enable client-side encryption

Correct Answer: A,C

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Question 12

You have a complex Python code project that could benefit from using Data Science Jobs as it is a repeatable machine learning model training task. The project contains many sub-folders and classes. What is the best way to run this project as a Job?

A. ZIP the entire code project folder, upload it as a Job artifact on job creation, and set JOB_RUN_ENTRYPOINT to point to the main executable file

B. ZIP the entire code project folder and upload it as a Job artifact on job creation. Jobs identifies the main executable file automatically

C. ZIP the entire code project folder and upload it as a Job artifact. Jobs automatically identifies the main top-level where the code is run

D. Rewrite your code so that it is a single executable Python or Bash/Shell script file

Correct Answer: A

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Question 13

When preparing your model artifact to save it to the Oracle Cloud Infrastructure (OCI) DataScience model catalog, you create a score.py file. What is the purpose of the score.py file?

A. Define the compute scaling strategy

B. Execute the inference logic code

C. Configure the deployment infrastructure

D. Define the inference server dependencies

Correct Answer: B

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Question 14

Which model has an open-source, open model format that allows you to run machine learning models on different platforms?

A. TensorFlow

B. PySpark

C. ONNX

D. PyTorch

Correct Answer: C

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Oracle Cloud Infrastructure Data Science Professional (1Z0-1110-26) Free Practice Test