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DP-300 Practice Questions

Question # 1

You have a Microsoft SQL Server 2019 instance in an on-premises datacenter. The
instance contains a 4-TB database named DB1.
You plan to migrate DB1 to an Azure SQL Database managed instance.
What should you use to minimize downtime and data loss during the migration?
D18912E1457D5D1DDCBD40AB3BF70D5D

A.

distributed availability groups

B.

database mirroring

C.

log shipping

D.

Database Migration Assistant



D.

Database Migration Assistant


Explanation:
The Data Migration Assistant (DMA) helps you upgrade to a modern data platform
detecting compatibility issues that can impact database functionality in your new version of
SQL Server or Azure SQL Database. DMA recommends performance and reliability
improvements for your target environment and allows you to move your schema, data, and
uncontained objects from your source server to your target server.
Note: SQL Managed Instance supports the following database migration options (currently
these are the only supported migration methods):
Azure Database Migration Service - migration with near-zero downtime.
Native RESTORE DATABASE FROM URL - uses native backups from SQL
Server and requires some downtime.
Reference:
https://docs.microsoft.com/en-us/sql/dma/dma-overview



Question # 2

You have the following Azure Data Factory pipelines:
Ingest Data from System1
Ingest Data from System2
Populate Dimensions
Populate Facts
Ingest Data from System1 and Ingest Data from System2 have no dependencies. Populate
Dimensions must execute after Ingest Data from System1 and Ingest Data from System2.
Populate Facts must execute after the Populate Dimensions pipeline. All the pipelines must
execute every eight hours.
What should you do to schedule the pipelines for execution?

A.

Add a schedule trigger to all four pipelines.

B.

Add an event trigger to all four pipelines.

C.

Create a parent pipeline that contains the four pipelines and use an event trigger.

D.

Create a parent pipeline that contains the four pipelines and use a schedule trigger



D.

Create a parent pipeline that contains the four pipelines and use a schedule trigger




Question # 3

You have SQL Server 2019 on an Azure virtual machine that runs Windows Server 2019.
The virtual machine
has 4 vCPUs and 28 GB of memory.
You scale up the virtual machine to 8 vCPUSs and 64 GB of memory.
You need to provide the lowest latency for tempdb.
What is the total number of data files that tempdb should contain?

A.

2

B.

4

C.

8

D.

64



C.

8


Explanation:
The number of files depends on the number of (logical) processors on the machine. As a
general rule, if the number of logical processors is less than or equal to eight, use the same
number of data files as logical processors. If the number of logical processors is greater
than eight, use eight data files and then if contention continues, increase the number of
data files by multiples of 4 until the contention is reduced to acceptable levels or make
changes to the workload/code.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/databases/tempdb-database



Question # 4

You have an Azure SQL database.
You are reviewing a slow performing query as shown in the following exhibit



Question # 5

You have 50 Azure SQL databases.
You need to notify the database owner when the database settings, such as the database
size and pricing tier, are modified in Azure.
What should you do?

A.

Create a diagnostic setting for the activity log that has the Security log enabled.

B.

For the database, create a diagnostic setting that has the InstanceAndAppAdvanced
metric enabled.

C.

Create an alert rule that uses a Metric signal type.

D.

Create an alert rule that uses an Activity Log signal type



D.

Create an alert rule that uses an Activity Log signal type


xplanation:
Activity log events - An alert can trigger on every event, or, only when a certain number of
events occur.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/alerts-insights-configure-porta



Question # 6

You have SQL Server on an Azure virtual machine named SQL1.
SQL1 has an agent job to back up all databases.
You add a user named dbadmin1 as a SQL Server Agent operator.
You need to ensure that dbadmin1 receives an email alert if a job fails.
Which three actions should you perform in sequence? To answer, move the appropriate
actions from the list of actions to the answer area and arrange them in the correct order



Question # 7

You have an Azure Synapse Analytics workspace named WS1 that contains an Apache Spark pool named Pool1.
You plan to create a database named DB1 in Pool1.
You need to ensure that when tables are created in DB1, the tables are available
automatically as external tables to the built-in serverless SQL pool.
Which format should you use for the tables in DB1?

A.

JSON

B.

CSV

C.

Parquet

D.

ORC



C.

Parquet


Explanation:
Serverless SQL pool can automatically synchronize metadata from Apache Spark. A
serverless SQL pool database will be created for each database existing in serverless
Apache Spark pools.
For each Spark external table based on Parquet and located in Azure Storage, an external
table is created in a serverless SQL pool database. As such, you can shut down your
Spark pools and still query Spark external tables from serverless SQL pool.
Reference:
https://docs.microsoft.com/en-us/azure/synapse-analytics/sql/develop-storage-files-sparktables



Question # 8

You have the following Azure Resource Manager template.

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

Explanation:-

A screenshot of a computer
Description automatically generated with low confidence



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Exam Name: Administering Relational Databases on Microsoft Azure
Certification Name: Microsoft Certified: Azure Database Administrator Associate

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  • Total Questions: 341
  • Last Updation Date: 17-Feb-2025

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