Oracle Cloud Infrastructure 2025 Data Science Professional (1z0-1110-25) Free Practice Test

Question 1

You have created a conda environment in your notebook session. This is the first time you are working with published conda environments. You have also created an Object Storage bucket with permission to manage the bucket. Which TWO commands are required to publish the conda environment?

A. odsc conda publish --slug <SLUG>

B. odsc conda create --file manifest.yaml

C. conda activate /home/datascience/conda/<SLUG>

D. odsc conda list --override

E. odsc conda init --bucket_namespace <NAMESPACE> --bucket_name <BUCKET>

Correct Answer: A,E

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Question 2

You have trained a binary classifier for a loan application and saved this model into the model catalog. A colleague wants to examine the model, and you need to share the model with your colleague. From the model catalog, which model artifacts can be shared?

A. Metadata, hyperparameters, metrics only

B. Models, model metadata, hyperparameters, metrics

C. Model metadata and hyperparameters only

D. Models and metrics only

Correct Answer: B

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Question 3

Which OCI cloud service lets you centrally manage the encryption keys that protect your data and the secret credentials that you use to securely access resources?

A. Cloud Guard

B. Vault

C. Data Safe

D. Data Guard

Correct Answer: B

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Question 4

The feature type TechJob has the following registered validators:
* TechJob.validator.register(name='is_tech_job', handler=is_tech_job_default_handler)
* TechJob.validator.register(name='is_tech_job', handler=is_tech_job_open_handler, condition= ('job_family',))
* TechJob.validator.register(name='is_tech_job', handler=is_tech_job_closed_handler, condition= ('job_family': 'IT'))When you run is_tech_job(job_family='Engineering'), what does the feature type validator system do?

A. Throw an error because the system cannot determine which handler to run

B. Execute the is_tech_job_default_handler handler

C. Execute the is_tech_job_closed_handler handler

D. Execute the is_tech_job_open_handler handler

Correct Answer: D

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Question 5

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 6

You want to create a user group for a team of external data science consultants. The consultants should only have the ability to see Data Science resource details but not have the ability to create, delete, or update Data Science resources. What verb should you write in the policy?

A. Read

B. Use

C. Inspect

D. Manage

Correct Answer: C

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Question 7

Which Web Application Firewall (WAF) service component must be configured to allow, block, or log network requests when they meet specified criteria?

A. Web Application Firewall policy

B. Origin

C. Protection rules

D. Bot Management

Correct Answer: C

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Question 8

Which of these is a unique feature of the published conda environment?

A. Allows you to save the conda environment to an Object Storage Bucket

B. Provides availability on network session reactivation

C. Provides a comprehensive environment to solve business use cases

D. Allows you to save the conda environment in a block volume

Correct Answer: A

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Question 9

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 10

You are a data scientist building a pipeline in the Oracle Cloud Infrastructure (OCI) Data Science service for your machine learning project. You want to optimize the pipeline completion time by running some steps in parallel. Which statement is true about running pipeline steps in parallel?

A. Steps in a pipeline can be run only sequentially

B. Parallel steps cannot be run if they are completely independent of each other

C. All pipeline steps are always run in parallel

D. Pipeline steps can be run in sequence or in parallel, as long as they create a directed acyclic graph (DAG)

Correct Answer: D

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Question 11

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. 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

C. 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

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: B

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Question 12

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 13

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 14

Arrange the following in the correct Git Repository workflow order:
* Install, configure, and authenticate Git.
* Configure SSH keys for the Git repository.
* Create a local and remote Git repository.
* Commit files to the local Git repository.
* Push the commit to the remote Git repository.

A. 2, 3, 1, 4, 5

B. 3, 5, 1, 2, 4

C. 1, 2, 3, 4, 5

D. 4, 2, 3, 1, 5

Correct Answer: C

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Question 15

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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Oracle Cloud Infrastructure 2025 Data Science Professional (1z0-1110-25) Free Practice Test