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Microsoft DP-750 Exam Syllabus Topics:

SectionWeightObjectives
Prepare and process data30–35%- Ingest and transform data
  • 1. Implement schema enforcement, schema drift, and slowly changing dimensions
  • 2. Transform using Spark SQL, PySpark, Scala, and Delta Lake
  • 3. Ingest batch and streaming data from multiple sources
- Optimize and manage data storage
  • 1. Handle structured, semi-structured, and unstructured data
  • 2. Implement lakehouse architecture and manage table versions
  • 3. Optimize Delta tables: partitioning, Z-ordering, vacuum, optimize
Deploy and maintain data pipelines and workloads30–35%- Build and orchestrate pipelines
  • 1. Configure Lakeflow Jobs: schedules, triggers, alerts, retries
  • 2. Design and implement Lakeflow Spark Declarative Pipelines
  • 3. Implement CI/CD with Git, Databricks Asset Bundles, CLI, and APIs
- Monitor, troubleshoot, and maintain workloads
  • 1. Monitor performance, logs, and execution metrics
  • 2. Apply SDLC practices and version control
  • 3. Troubleshoot failures, repair and restart jobs
Secure and govern Unity Catalog objects15–20%- Manage data sharing and permissions
  • 1. Grant and revoke permissions, manage groups and service principals
  • 2. Set up external locations and storage credentials
- Implement data governance and security
  • 1. Manage catalogs, schemas, tables, views, and volumes
  • 2. Enforce data quality, lineage, and auditing
  • 3. Configure access control: row-level, column-level, attribute-based security
Set up and configure an Azure Databricks environment15–20%- Select and configure compute resources
  • 1. Choose compute types: serverless, job compute, SQL warehouse, classic compute
  • 2. Manage workspace settings, permissions, and networking
  • 3. Configure cluster policies, instance pools, and libraries
- Integrate with Azure services
  • 1. Configure monitoring with Azure Monitor and diagnostic settings
  • 2. Connect to Azure Data Lake Storage, Azure Data Factory, Microsoft Entra ID

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Microsoft Implementing Data Engineering Solutions Using Azure Databricks Sample Questions (Q85-Q90):

NEW QUESTION # 85
You have an Azure Databricks workspace that is enabled for Unity Catalog. You plan to run the following PySpark code.

For each of the following statements, select Yes if the statement is true. Otherwise, select No. NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:
For HOTSPOT questions, each statement must be evaluated against the actual PySpark code shown in the answer area. Key evaluation principles:
DataFrames are immutable - every transformation returns a new DataFrame; the original is unchanged.
Transformations (filter, select, groupBy, join) are lazy and only execute when an action (show, count, write) is called.
Null handling: df.filter(col != None) is incorrect in PySpark due to SQL null semantics; use col.isNotNull() or dropna() instead. Schema changes: using mergeSchema=true or schema evolution handles new columns.
Write modes: ' overwrite ' replaces existing data; ' append ' adds to it.
Always check whether the code uses the correct Delta format (.format( ' delta ' )), Unity Catalog three-part naming, and whether write operations include a checkpointLocation for streaming queries. Evaluate each statement strictly on what the code does, not on what it might intend to do.
Reference: https://learn.microsoft.com/en-us/azure/databricks/pyspark/basics


NEW QUESTION # 86
You have an Azure Databricks workspace that is enabled for Unity Catalog and contains two managed Delta tables named sales.schema1.table1 and sales.schema1.table2.
sales.schema1.table1 contains sales data from the current year.
sales.schema1 .table2 contains historical data.
You need to load all the rows from sales.schema1.table1 into sales.schema1.table2. The solution must preserve any existing data in sales.schema1.table2 and minimize processing effort.
Which command should you run?

Answer: B

Explanation:
To load all rows from one table into the other while preserving existing data and minimizing processing effort, you should use the SQL INSERT INTO statement.
Preserves Data: INSERT INTO appends new rows to the target table without modifying or deleting the existing data.
Lowest Processing Effort: It performs a direct data append at the storage level. Unlike MERGE INTO, it does not scan the target table for matches, saving significant compute time and costs.
Delta Lake Optimization: Because these are Delta tables, appending data simply writes new parquet files and commits them to the transaction log, making the operation fast and efficient.
Reference:
https://medium.com/@gema.correa/handling-schema-evolution-and-schema-compensation-in-databricks-lessons-from-the-field-7af8d915beef


NEW QUESTION # 87
You need to deploy Databricks Asset Bundles to a development environment. The solution must support automated and repeatable deployments across environments. What should you use?

Answer: C

Explanation:
The best option to use is the Databricks CLI.
The Databricks CLI is the core orchestration tool natively designed to validate, deploy, and manage Declarative Automation Bundles (formerly known as Databricks Asset Bundles) across multiple target environments using simple terminal commands like databricks bundle deploy.
Incorrect:
[Not A]
Git folders: Git folders are strictly a mechanism for version control, code syncing, and repository collaboration inside the workspace. While they are highly integrated with bundle development, they cannot directly deploy or provision bundle targets to isolated environments on their own without the CLI.
[Not C]
Databricks SDK for Python: While the Python SDK provides general programmatic access to Databricks APIs, it is not the primary or optimized tool for executing bundle operations. The bundle framework natively relies on the Databricks CLI executable to compile and translate your configurations.
[Not D]
Jobs UI: The Jobs user interface is built for manual interactions. It does not support native bundle multi-environment targeting or automated, repeatable CI/CD pipelines.
Reference:
https://docs.databricks.com/aws/en/dev-tools/bundles/


NEW QUESTION # 88
You need to deploy Databricks Asset Bundles to a development environment. The solution must support automated and repeatable deployments across environments.
What should you use?

Answer: A

Explanation:
The correct answer is C - the Databricks CLI.
Databricks Asset Bundles are deployed using the Databricks CLI (v0.205+) with the commands databricks bundle validate, databricks bundle deploy, and databricks bundle run. The CLI reads the databricks.yml file, resolves the target environment settings, and creates or updates all declared resources (jobs, pipelines, apps) in the workspace. This is the documented, supported deployment mechanism for DABs and integrates naturally into CI/CD pipelines.
Option A (Azure Developer CLI / azd) is a general Azure IaC tool with no native understanding of Databricks bundles. Option B (Git folders) syncs notebook and file content from a Git repository into a workspace - useful for code, but it doesn't deploy Lakeflow Jobs, SDP pipelines, or bundle configurations. Option D (Azure CLI) manages Azure infrastructure (resource groups, storage accounts, etc.) and has no native DAB deployment support.
Reference: https://learn.microsoft.com/en-us/azure/databricks/dev-tools/bundles/deploy-bundle


NEW QUESTION # 89
You have an Azure Databricks workspace that is attached to a Unity Catalog metastore named metastore1.
Metastore1 contains a catalog named catalog 1.
You need to create a new schema named schema2 that meets the following requirements:
* Is contained in catalog1
* Uses abfss://containergstorageaccount.dfs.core.windows.net/data as the Managed location Which SQL statement should you execute?

Answer: C

Explanation:
The correct answer is A. The Unity Catalog DDL for creating a schema inside a specific catalog and setting a custom managed storage path uses the three-part name (catalog.schema) and the MANAGED LOCATION clause:
CREATE SCHEMA catalog1.schema2 MANAGED LOCATION 'abfss://...';
The three-part name explicitly places the schema inside catalog1. MANAGED LOCATION tells Unity Catalog where to store managed tables and volumes created under this schema - any managed table without its own explicit location will inherit this path.
Option B uses CREATE CATALOG, which creates an entirely new catalog rather than a schema. Option C uses the LOCATION keyword without MANAGED - that syntax is for external locations, not for overriding the managed storage path of a schema. Option D uses WITH DBPROPERTIES, which stores arbitrary key- value metadata but has no effect on where Unity Catalog physically stores data.
Reference: https://learn.microsoft.com/en-us/azure/databricks/sql/language-manual/sql-ref-syntax-ddl-create- schema


NEW QUESTION # 90
......

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