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| Section | Objectives |
|---|---|
| Topic 1: Data Sharing and Federation | - Lakehouse Federation
|
| Topic 2: Developing Code for Data Processing using Python and SQL | - Using Python and Tools for Development
|
| Topic 3: Data Transformation, Cleansing, and Quality | - Data Quality
|
| Topic 4: Data Ingestion & Acquisition | - Design and implement data ingestion pipelines
|
| Topic 5: Ensuring Data Security and Compliance | - Compliance
|
| Topic 6: Monitoring and Alerting | - Alerting
|
| Topic 7: Cost & Performance Optimisation | - Cost Optimization
|
| Topic 8: Data Modelling | - Scalable Data Models
|
| Topic 9: Data Governance | - Unity Catalog Permissions
|
| Topic 10: Debugging and Deploying | - Debugging and Troubleshooting
|
1. A data engineer is configuring a Databricks Asset Bundle to deploy a job with granular permissions.
The requirements are:
- Grant the data-engineers group CAN_MANAGE access to the job.
- Ensure the auditors' group can view the job but not modify/run it.
- Avoid granting unintended permissions to other users/groups.
How should the data engineer deploy the job while meeting the requirements?
A) resources:
jobs:
my-job:
name: data-pipeline
tasks: [...]
job: [...]
permissions:
- group_name: data-engineers
level: CAN_MANAGE
permissions:
- group_name: auditors
level: CAN_VIEW
B) permissions:
- group_name: data-engineers
level: CAN_MANAGE
- group_name: auditors
level: CAN_VIEW
resources:
jobs:
my-job:
name: data-pipeline
tasks: [...]
job_clusters: [...]
C) resources:
jobs:
my-job:
name: data-pipeline
tasks: [...]
job_clusters: [...]
permissions:
- group_name: data-engineers
level: CAN_MANAGE
- group_name: auditors
level: CAN_VIEW
D) resources:
jobs:
my-job:
name: data-pipeline
tasks: [...]
job_clusters: [...]
permissions:
- group_name: data-engineers
level: CAN_MANAGE
- group_name: auditors
level: CAN_VIEW
- group_name: admin-team
level: IS_OWNER
2. Which statement regarding stream-static joins and static Delta tables is correct?
A) Each microbatch of a stream-static join will use the most recent version of the static Delta table as of the job's initialization.
B) Each microbatch of a stream-static join will use the most recent version of the static Delta table as of each microbatch.
C) Stream-static joins cannot use static Delta tables because of consistency issues.
D) The checkpoint directory will be used to track state information for the unique keys present in the join.
E) The checkpoint directory will be used to track updates to the static Delta table.
3. When scheduling Structured Streaming jobs for production, which configuration automatically recovers from query failures and keeps costs low?
A) Cluster: New Job Cluster;
Retries: None;
Maximum Concurrent Runs: 1
B) Cluster: New Job Cluster;
Retries: Unlimited;
Maximum Concurrent Runs: Unlimited
C) Cluster: Existing All-Purpose Cluster;
Retries: Unlimited;
Maximum Concurrent Runs: 1
D) Cluster: Existing All-Purpose Cluster;
Retries: Unlimited;
Maximum Concurrent Runs: 1
E) Cluster: Existing All-Purpose Cluster;
Retries: None;
Maximum Concurrent Runs: 1
4. A data engineer is evaluating tools to build a production-grade data pipeline. The team must process change data from cloud object storage, filter out or isolate invalid records, and ensure the timely delivery of clean data to downstream consumers. The team is small, under tight deadlines, and wants to minimize operational overhead while keeping pipelines auditable and maintainable.
Which approach should the data engineer implement?
A) Use LDP to build declarative pipelines with Streaming Tables and Materialized Views, leveraging built-in support for data expectations and incremental processing.
B) Implement ingestion using Auto Loader with Structured Streaming, and manage invalid data handling and table updates using checkpointing and merge logic.
C) Ingest data directly into Delta tables via Spark jobs, apply data quality filters using UDFs, and use LDP for creating Materialized Views.
D) Use a hybrid approach: Ingest with Auto Loader into Bronze tables, then process using SQL queries in Databricks Workflows to generate cleaned Silver and Gold tables on a schedule.
5. An analytics team wants to run a short-term experiment in Databricks SQL on the customer transactions Delta table (about 20 billion records) created by the data engineering team. Which strategy should the data engineering team use to ensure minimal downtime and no impact on the ongoing ETL processes?
A) Deep clone the table for the analytics team.
B) Give the analytics team direct access to the production table.
C) Shallow clone the table for the analytics team.
D) Create a new table for the analytics team using a CTAS statement.
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B | Question # 3 Answer: C | Question # 4 Answer: A | Question # 5 Answer: C |
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