IT Certifications · 1Z0-1154-26

Oracle AI Data Platform Professional Exam Practice Test

The Oracle AI Data Platform Professional Exam practice page covers cloud data platform decisions across storage, compute, data integration, governance, and AI application delivery. Its practice questions use scenarios involving variable workloads, mixed-format files, entity resolution, data privacy, semantic definitions, graph data, model interfaces, and reproducible pipelines.

Exam overview

Exam providerOracle
Exam code1Z0-1154-26
CategoryIT Certifications

About the Oracle AI Data Platform Professional Exam

These scenarios exercise decisions that connect platform architecture to data use. They ask you to match workload patterns to compute choices, preserve source files when formats vary, and reconcile records that refer to the same entity. Other questions address retention policies, aggregation that limits exposure of individual values, and shared definitions that keep fields consistent across teams. The bank also touches on selecting graph structures for relationship traversal, exposing deployed models through stable interfaces, and constraining language-model output so downstream applications can process it. Pipeline reproducibility brings dependency management into the picture. Together, these topics call for reasoning about data structure, access, lifecycle, and operational fit rather than memorizing isolated terms. Practice by identifying the requirement in each scenario, then comparing the choices against that requirement and its trade-offs.

Sample Practice Questions

Review a selection from this exam's published US Practice Tests practice bank.

Question 1

A cloud data workload runs only at certain times and varies substantially in volume. Which compute approach can help avoid paying for a permanently provisioned cluster when the workload is idle?

  1. AUse elastic or on-demand compute that can scale with workload activity
  2. BProvision the largest possible fixed cluster and keep it running continuously
  3. CDisable workload scheduling and run every job manually
  4. DStore the compute configuration inside each data record
Show answerCorrect answer: A

Elastic or on-demand compute can allocate resources when jobs run and reduce them when demand falls. This can improve cost alignment for intermittent workloads, subject to service capabilities and execution requirements.

Question 2

When combining customer records from multiple systems, what is a key purpose of entity resolution?

  1. AIdentifying records that refer to the same real-world person or organization
  2. BConverting every field to a numerical format
  3. CRemoving all records with missing values
  4. DEncrypting records with a shared key
Show answerCorrect answer: A

Entity resolution links records that represent the same entity despite differences such as spelling, formatting, or source-system identifiers. It is distinct from encryption and general data cleaning.

Question 3

An organization is considering whether to retain old event data. Which factor should be central to a responsible retention policy?

  1. AKeep every record forever because storage is always free
  2. BBalance business and legal needs against privacy, risk, and storage costs
  3. CDelete all data immediately after ingestion in every case
  4. DRetain only data that is easiest to query
Show answerCorrect answer: B

A retention policy should account for legitimate business and legal requirements while also considering privacy obligations, exposure risk, and storage costs. Automatic indefinite retention and blanket immediate deletion ignore these competing needs.

Question 4

A company wants to make a deployed model available to an application through a stable interface. Which component most directly provides that interface?

  1. AAn API endpoint that accepts requests and returns responses
  2. BA source-code comment describing the model's purpose
  3. CA data dictionary listing column definitions
  4. DA dashboard that displays historical training metrics
Show answerCorrect answer: A

An API endpoint provides a defined request-and-response interface that an application can call. Documentation and dashboards may support the service but do not themselves expose its inference interface.

Question 5

A team wants to use a large language model to produce structured output for a downstream application. Which practice best improves the chance that the output can be consumed reliably?

  1. ASpecify the expected fields and format, then validate the response against a schema
  2. BAsk for an answer with no format guidance and assume it will be valid
  3. CTreat every generated response as executable code
  4. DRemove all checks because the model is probabilistic
Show answerCorrect answer: A

Clear format instructions help guide generation, and schema validation detects missing, malformed, or unexpected fields before the output is used downstream.

Question 6

A platform team needs to store data that arrives in varying formats, including logs, documents, and images, while retaining the original files for future processing. Which storage approach is the best fit?

  1. AA data lake that stores raw objects and supports later processing
  2. BA relational table with a fixed schema for every file type
  3. CA dashboard cache designed for precomputed visualizations
  4. DA feature store limited to model input variables
Show answerCorrect answer: A

A data lake commonly stores large volumes of raw data in diverse formats, allowing teams to apply schemas and processing when they use the data. The other options serve more specialized purposes or assume structured data.

Question 7

A team needs to share a dataset with analysts who should see overall trends but not individual-level values. Which representation best supports that goal?

  1. AA row-level copy with names replaced by sequential numbers
  2. BAn aggregate dataset that reports suitable group-level statistics
  3. CA full copy encrypted with a key shared with every analyst
  4. DA dataset with personal fields moved to the end of each row
Show answerCorrect answer: B

Aggregation can support analysis of group-level trends without exposing individual-level records, provided the groups and outputs are designed to limit disclosure risk.

How to use this practice test

Access is free. A session presents up to 20 random questions from the 50-question bank and shows results afterward. Use each result to identify where your reasoning about storage, compute, data governance, or AI integration needs refinement; revisit the underlying concept before attempting another set.

Preparation tips

  • For variable workloads, compare fixed provisioning with compute options that can scale or stop during idle periods; account for workload timing and volume.
  • Distinguish raw-object retention from structured analytical storage, and consider how preserving original files supports later processing of logs, documents, and images.
  • Practice separating entity resolution from data aggregation: one links records for the same entity, while the other can reduce exposure of individual-level values.
  • For AI integration scenarios, check whether a stable model-serving interface and constrained, structured output meet the application’s consumption needs.
  • Trace how shared field definitions and dependency controls improve consistency in reporting and reproducibility in data pipelines.
Official sourceOfficial exam page ↗