最新的Databricks Certified Data Engineer Associate - Databricks-Certified-Data-Engineer-Associate免費考試真題
A company has a strict 15-minute Service Level Agreement (SLA) for updating its currency exchange dashboard. The source data arrives in small increments every few minutes. The data engineering team needs a triggering strategy for their Lakeflow Job that keeps end-to-end latency within the SLA while minimizing compute cost and DBU consumption. Which triggering strategy for the Lakeflow Job is the recommended way to meet this 15-minute SLA?
正確答案: D
說明：（僅 Fast2test 成員可見）
A data engineer needs to create a table in Databricks using data from a CSV file at location
/path/to/csv.
They run the following command:
Which of the following lines of code fills in the above blank to successfully complete the task?
/path/to/csv.
They run the following command:
Which of the following lines of code fills in the above blank to successfully complete the task?
正確答案: A
A data engineer must deliver a trustworthy customer 360 dataset in Databricks for data scientists and BI teams. The engineer plans to join deduplicated customer records with cleaned transaction data, enforce schema and data quality checks, and create a conformed
"customer_transactions"view. Later, highly aggregated, domain-specific tables (for weekly spend and executive summaries) will be produced for dashboards.
Where should the engineer build the conformed "customer_transactions" dataset, and where should the aggregated, report-ready tables reside?
"customer_transactions"view. Later, highly aggregated, domain-specific tables (for weekly spend and executive summaries) will be produced for dashboards.
Where should the engineer build the conformed "customer_transactions" dataset, and where should the aggregated, report-ready tables reside?
正確答案: A
說明：（僅 Fast2test 成員可見）
A data engineer is getting a partner organization up to speed with Databricks account. Both the teams share some business use cases. The data engineer has to share some of your Unity- Catalog managed delta tables and the notebook jobs creating those tables with the partner organization. How can the data engineer seamlessly share the required information?
正確答案: A
說明：（僅 Fast2test 成員可見）
A Databricks Job with four sequential tasks is executed. The job failed at Task 3. After the root cause is fixed, the data engineer needs to complete the workflow without re-running the successful Tasks 1 and 2. Which action in the Job Run details page allows the engineer to resume execution from the point of failure?
正確答案: B
說明：（僅 Fast2test 成員可見）
A data engineer wants to read only a subset of columns from a Delta table to reduce memory usage and improve performance. Which Spark DataFrame operation should be used?
正確答案: C
A data engineer is designing a cost-optimized, event-driven pipeline. They configure a Lakeflow Job with a File Arrival trigger to watch an S3 bucket. The job runs a notebook that uses Auto Loader with trigger(availableNow=True) to ingest data into a Bronze table. What is the technical relationship between the File Arrival trigger and Auto Loader in this integration pattern?
正確答案: B
說明：（僅 Fast2test 成員可見）
A data engineer wants to reduce costs and optimize cloud spending. The data engineer has decided to use Databricks Serverless for lowering cloud costs while maintaining existing SLAs.
What is the first step in migrating to Databricks Serverless?
What is the first step in migrating to Databricks Serverless?
正確答案: D
說明：（僅 Fast2test 成員可見）
A data engineer runs VACUUM orders RETAIN 72 HOURS on a Delta table and the command fails with an error about the retention interval.
What is the most likely cause?
What is the most likely cause?
正確答案: C
說明：（僅 Fast2test 成員可見）
What is the primary function of the Silver layer in the Databricks medallion architecture?
正確答案: C
說明：（僅 Fast2test 成員可見）
A data engineer is working in a Python notebook on Databricks to process data, but notices that the output is not as expected. The data engineer wants to investigate the issue by stepping through the code and checking the values of certain variables during execution. Which tool should the data engineer use to inspect the code execution and variables in real-time?
正確答案: A
說明：（僅 Fast2test 成員可見）
A data engineer is building an ETL pipeline in Databricks that loads raw JSON files from cloud object storage into a Delta Lake table. The pipeline must ensure ACID transactions and schema enforcement while supporting scalable reads and writes from multiple concurrent jobs. Which storage format should the engineer use?
正確答案: B
A data engineer is managing a data pipeline in Databricks, where multiple Delta tables are used for various transformations. The team wants to track how data flows through the pipeline, including identifying dependencies between Delta tables, notebooks, jobs, and dashboards. The data engineer is utilizing the Unity Catalog lineage feature to monitor this process. How does Unity Catalog's data lineage feature support the visualization of relationships between Delta tables, notebooks, jobs, and dashboards?
正確答案: D
說明：（僅 Fast2test 成員可見）
A data engineer wants to create a new table containing the names of customers that live in France.
They have written the following command:
A senior data engineer mentions that it is organization policy to include a table property indicating that the new table includes personally identifiable information (PII).
Which of the following lines of code fills in the above blank to successfully complete the task?
They have written the following command:
A senior data engineer mentions that it is organization policy to include a table property indicating that the new table includes personally identifiable information (PII).
Which of the following lines of code fills in the above blank to successfully complete the task?
正確答案: B