DP-203 Azure Data Engineer Associate Azure Synapse Analytics 2

Question 1

What is the primary purpose of Azure Synapse Link for Azure Cosmos DB?

Accepted Answer

Enabling near real-time analytics on operational Cosmos DB data without ETL pipelines

Answer

Azure Synapse Link creates a tight integration between Cosmos DB's analytical store and Synapse Analytics, enabling zero-ETL near real-time analytics without impacting transactional performance.

Question 2

Which file format is NOT natively supported by Azure Synapse Analytics serverless SQL pools for querying data in Azure Data Lake Storage?

Accepted Answer

Avro

Answer

Serverless SQL pools natively support Parquet, CSV, JSON, and Delta Lake formats; Avro is not natively supported and requires additional workarounds.

Question 3

What is the primary use case for Apache Spark pools in Azure Synapse Analytics?

Accepted Answer

Running distributed data processing, transformation, and machine learning workloads

Answer

Apache Spark pools provide a managed distributed computing environment supporting Python, Scala, R, and .NET for large-scale data processing and machine learning.

Question 4

What does the Delta Lake format primarily provide when used in Azure Synapse Analytics?

Accepted Answer

ACID transactions, schema enforcement, and time travel on data lake storage

Answer

Delta Lake adds ACID transaction guarantees, schema enforcement, and time travel (data versioning) capabilities on top of Parquet files in Azure Data Lake Storage.

Question 5

What connector allows Apache Spark pools in Azure Synapse Analytics to efficiently read from and write to dedicated SQL pools?

Accepted Answer

Synapse Spark connector (azure-synapse-spark-connector)

Answer

The Synapse Spark connector uses a high-performance bulk load mechanism to efficiently move data between Spark pools and dedicated SQL pools within the same workspace.

DP-203 Azure Data Engineer Associate Practice Test

DP-203 Azure Data Engineer Associate Practice Test

DP-203 Azure Data Engineer Associate Azure Synapse Analytics 2