1Z0-1110-25 sample questions

Question 1

You are architecting a secure OCI Data Science environment for a financial institution. The compliance team requires that all notebook sessions must be deployed in a private subnet and must not have direct internet access. However, data scientists need to access public PyPI repositories to install specific libraries. Which networking configuration provides the most secure and compliant solution?

Accepted Answer

Configure a Service Gateway for OCI services and a NAT Gateway with a restrictive Network Security Group (NSG) allowing only port 443 outbound to specific PyPI IP ranges.

Answer

Deploy a NAT Gateway in a public subnet and route traffic from the private subnet to the NAT Gateway.

Answer

Set up an OCI Service Gateway to allow traffic to Oracle Services and use a local mirror of PyPI hosted on OCI Object Storage.

Answer

Use an Internet Gateway attached to the private subnet with strict Route Table rules.

Question 2

A data scientist is using the Oracle Accelerated Data Science (ADS) SDK to prepare a dataset for training. The dataset contains several columns with sensitive PII that need to be redacted before model training. Which ADS feature should be used to automatically identify and treat these sensitive columns?

Accepted Answer

Apply PII masking recommendations provided by `ads.dataset.factory` during the data loading stage.

Answer

Use the ADS `ADSTuner` to filter out PII features.

Answer

Use `ads.dataset.label_encoder` to obfuscate the data.

Answer

Utilize the `ads.dataset.helper.up_sample` function.

Question 3

You are managing a custom Conda environment for your team. You have installed several proprietary libraries and verified the environment locally. You now need to share this environment with your team members so they can use it in their own Notebook Sessions. What is the correct sequence of steps to achieve this?

Accepted Answer

Publish the Conda environment to OCI Object Storage using `odsc conda publish`, then team members use `odsc conda install`.

Answer

Export the environment to a YAML file, upload it to OCI Object Storage, and have team members run `conda env create -f`.

Answer

Copy the local conda directory to a shared Block Volume and attach that volume to all team members' notebook sessions.

Answer

Create a Docker container with the environment and push it to OCI Registry (OCIR).

Question 4

Which TWO of the following are valid data sources that can be directly ingested using the `ads.dataset.factory.DatasetFactory.open()` method in the OCI Data Science ADS SDK? (Select TWO)

Accepted Answer

Local CSV files

Accepted Answer

OCI Object Storage files (using `oci://` scheme)

Answer

Direct JDBC connection to Oracle Autonomous Database without a wallet

Answer

AWS S3 buckets without credentials

Question 5

You have trained a machine learning model and saved it to the Model Catalog. You now want to deploy this model as an HTTP endpoint. Which OCI Data Science resource must be configured to expose this model for real-time inference?

Accepted Answer

Model Deployment

Answer

OCI Functions

Answer

Data Science Job

Answer

API Gateway

Question 6

True or False: In OCI Data Science Pipelines, steps can share data between them by writing to a shared persistent volume that is automatically mounted to all steps in the pipeline.

Accepted Answer

False

Answer

True

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Free 1Z0-1110-25 sample questions

Which TWO of the following are valid data sources that can be directly ingested using the `ads.dataset.factory.DatasetFactory.open()` method in the OCI Data Science ADS SDK? (Select TWO)

You have trained a machine learning model and saved it to the Model Catalog. You now want to deploy this model as an HTTP endpoint. Which OCI Data Science resource must be configured to expose this model for real-time inference?

True or False: In OCI Data Science Pipelines, steps can share data between them by writing to a shared persistent volume that is automatically mounted to all steps in the pipeline.

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