Databricks-Certified-Professional-Data-Engineer Practice Online

Question 1

The Databricks workspace administrator has configured interactive clusters for each of the data engineering groups. To control costs, clusters are set to terminate after 30 minutes of inactivity. Each user should be able to execute workloads against their assigned clusters at any time of the day.

Assuming users have been added to a workspace but not granted any permissions, which of the following describes the minimal permissions a user would need to start and attach to an already configured cluster.

A : "Can Manage" privileges on the required cluster

B : Workspace Admin privileges, cluster creation allowed, "Can Attach To" privileges on the required cluster

C : Cluster creation allowed, "Can Attach To" privileges on the required cluster

D : "Can Restart" privileges on the required cluster

E : Cluster creation allowed, "Can Restart" privileges on the required cluster

Answer: D

Question 2

When using CLI or REST API to get results from jobs with multiple tasks, which statement correctly describes the response structure?

A : Each run of a job will have a unique job_id; all tasks within this job will have a unique job_id

B : Each run of a job will have a unique job_id; all tasks within this job will have a unique task_id

C : Each run of a job will have a unique orchestration_id; all tasks within this job will have a unique run_id

D : Each run of a job will have a unique run_id; all tasks within this job will have a unique task_id

E : Each run of a job will have a unique run_id; all tasks within this job will also have a unique run_id

Answer: D

Question 3

Which of the following is true of Delta Lake and the Lakehouse?

A : cause Parquet compresses data row by row. strings will only be compressed when a character is repeated multiple times.

B : lta Lake automatically collects statistics on the first 32 columns of each table which are leveraged in data skipping based on query filters.

C : ews in the Lakehouse maintain a valid cache of the most recent versions of source tables at all times.

D : imary and foreign key constraints can be leveraged to ensure duplicate values are never entered into a dimension table.

E : order can only be applied to numeric values stored in Delta Lake tables.

Answer: B

Question 4

A data engineer, User A, has promoted a new pipeline to production by using the REST API to programmatically create several jobs. A DevOps engineer, User B, has configured an external orchestration tool to trigger job runs through the REST API. Both users authorized the REST API calls using their personal access tokens. Which statement describes the contents of the workspace audit logs concerning these events?

A : cause the REST API was used for job creation and triggering runs, a Service Principal will be automatically used to identify these events.

B : cause User B last configured the jobs, their identity will be associated with both the job creation events and the job run events.

C : cause these events are managed separately, User A will have their identity associated with the job creation events and User B will have their identity associated with the job run events.

D : cause the REST API was used for job creation and triggering runs, user identity will not be captured in the audit logs.

E : cause User A created the jobs, their identity will be associated with both the job creation events and the job run events.

Answer: C

Question 5

A data engineer wants to use Databricks REST API to retrieve the metadata of a job run using its run_id.

Which of the following REST API calls achieves this requirement ?

A : Send POST request to the endpoint ‘api/2.1/jobs/runs/get’

B : Send GET request to the endpoint ‘api/2.1/jobs/runs/get’

C : Send POST request to the endpoint ‘api/2.1/jobs/runs/get-output’

D : Send GET request to the endpoint ‘api/2.1/jobs/runs/get-output’

E : Send GET request to the endpoint ‘api/2.1/jobs/runs/get-metadata’

Answer: B

Name:	Databricks Certified Professional Data Engineer
Exam Code:	Databricks-Certified-Professional-Data-Engineer
Certification:	Databricks Certified Professional
Vendor:	Databricks
Total Questions:	247
Last Updated:	Nov 27, 2024

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