Select two reasons why it is important to rotate encryption keys when using Oracle Cloud In-frastructure (OCI) Vault to store credentials or other secrets.?

• A. Periodically rotating keys make it easier to reuse key.
• B. Periodically rotating keys limits the amount of data encrypted by one key version.
• C. Key rotation reduces risk if a key is ever compromised.
• D. Key rotation allows you to encrypt no more than five keys at a time.
• E. Key rotation improves encryption efficiency.

For your next data science project, you need access to public geospatial images. Which Oracle Cloud service provides free access to those images?

• A. Oracle Big Data Service
• B. Oracle Cloud Infrastructure (OCI) Data Science
• C. Oracle Open Data
• D. Oracle Analytics Claud

You are a data scientist leveraging Oracle Cloud Infrastructure (OCI) Data Science to create a model and need some additional python libraries for processing genome sequencing dat a. Which of the following THREE statements are correct with respect to installing additional Python libraries to process the data?

• A. You can install any open source package available in a publicly accessible Python Package Index (PyPI) repository
• B. You can install private or custom libraries from your own internal repositories
• C. You can only install libraries using yum and pip as a normal user
• D. OCI Data Science allows privileges in notebook sessions.
• E. You cannot install a library that's not preinstalled in the provided image

The feature type TechJob has the following registered validators: Tech-Job.validator.register(name='is_tech_job', handler=is_tech_job_default_handler) Tech-Job.validator.register(name='is_tech_job', handler= is_tech_job_open_handler, condi-tion=('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. Execute the is_tech_job_open_handler handler.
• B. Execute the is_tech_job_closed_handler handler.
• C. Execute the is_tech_job_default_handler sales handler.
• D. Throw an error because the system cannot determine which handler to run.

You are a data scientist working for a manufacturing company, you have developed a fore-casting model to predict the sales demand in the upcoming months. You created a model artifact that contained custom logic requiring third party libraries. When you deployed the model, it failed to run because you did not include all the third-party dependencies in the model artifact.?

• A. Score.py
• B. Model_artifact_validate.py
• C. Runtime.yaml
• D. Requirement.txt