Microsoft DP-203 Exam Dumps

Get All Data Engineering on Microsoft Azure Exam Questions with Validated Answers

DP-203 Pack
Vendor: Microsoft
Exam Code: DP-203
Exam Name: Data Engineering on Microsoft Azure
Exam Questions: 354
Last Updated: August 24, 2026
Related Certifications:
Exam Tags: Intermediate Microsoft Data Engineers
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Free Microsoft DP-203 Exam Actual Questions

Question No. 1

You have an Azure Synapse Analytics dedicated SQL pool named Pool1. Pool1 contains a table named table1.

You load 5 TB of data intotable1.

You need to ensure that columnstore compression is maximized for table1.

Which statement should you execute?

Show Answer Hide Answer
Correct Answer: C

Columnstore and columnstore archive compression

Columnstore tables and indexes are always stored with columnstore compression. You can further reduce the size of columnstore data by configuring an additional compression called archival compression. To perform archival compression, SQL Server runs the Microsoft XPRESS compression algorithm on the data. Add or remove archival compression by using the following data compression types:

Use COLUMNSTORE_ARCHIVE data compression to compress columnstore data with archival compression.

Use COLUMNSTORE data compression to decompress archival compression. The resulting data continue to be compressed with columnstore compression.

To add archival compression, use ALTER TABLE (Transact-SQL) or ALTER INDEX (Transact-SQL) with the REBUILD option and DATA COMPRESSION = COLUMNSTORE_ARCHIVE.


Question No. 2

You have two fact tables named Flight and Weather. Queries targeting the tables will be based on the join between the following columns.

You need to recommend a solution that maximizes query performance.

What should you include in the recommendation?

Show Answer Hide Answer
Correct Answer: B

Hash-distribution improves query performance on large fact tables.

Incorrect Answers:

A: Do not use a date column for hash distribution. All data for the same date lands in the same distribution. If several users are all filtering on the same date, then only 1 of the 60 distributions do all the processing work.


Question No. 3

You have an Azure Synapse Analytics dedicated SQL pool named Pool1 and a database named DB1. DB1 contains a fact table named Table1.

You need to identify the extent of the data skew in Table1.

What should you do in Synapse Studio?

Show Answer Hide Answer
Correct Answer: A

A quick way to check for data skew is to use DBCC PDW_SHOWSPACEUSED. The following SQL code returns the number of table rows that are stored in each of the 60 distributions. For balanced performance, the rows in your distributed table should be spread evenly across all the distributions.

DBCC PDW_SHOWSPACEUSED('dbo.FactInternetSales');


https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-tables-distribute

Question No. 4

You have two Azure Blob Storage accounts named account1 and account2?

You plan to create an Azure Data Factory pipeline that will use scheduled intervals to replicate newly created or modified blobs from account1 to account?

You need to recommend a solution to implement the pipeline. The solution must meet the following requirements:

* Ensure that the pipeline only copies blobs that were created of modified since the most recent replication event.

* Minimize the effort to create the pipeline.

What should you recommend?

Show Answer Hide Answer
Correct Answer: A

Question No. 5

You have an Azure subscription that contains an Azure Synapse Analytics dedicated SQL pool named SQLPool1.

SQLPool1 is currently paused.

You need to restore the current state of SQLPool1 to a new SQL pool.

What should you do first?

Show Answer Hide Answer
Correct Answer: B

https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-restore-active-paused-dw

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