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| Certification Vendor: | Microsoft |
|---|---|
| Exam Name: | Administering Relational Databases on Microsoft Azure |
| Exam Number: | DP-300 |
| Real Exam Qty: | 40-60 (approx.) |
| Certificate Validity Period: | 1 year (renewable annually) |
| Exam Format: | Multiple Response, Case Studies, Multiple Choice |
| Exam Price: | USD 165 (may vary by region) |
| Available Languages: | German, Spanish, Simplified Chinese, French, English, Japanese, Portuguese (Brazil), Traditional Chinese, Korean |
| Related Certifications: | Microsoft Certified: Azure Database Administrator Associate |
| Exam Duration: | 120 minutes |
| Passing Score: | 700 (out of 1000) |
| Recommended Training: | Microsoft Certified: Azure Database Administrator Associate Microsoft Learn DP-300 Learning Path |
| Exam Registration: | Pearson VUE Microsoft Exams Microsoft Certification Exam DP-300 Page |
| Sample Questions: | Microsoft DP-300 Sample Questions |
| Exam Way: | Online proctored or in-person at authorized testing centers (Pearson VUE). |
| Pre Condition: | No mandatory prerequisites, but familiarity with Azure fundamentals and relational database concepts is recommended. |
| Official Syllabus URL: | https://learn.microsoft.com/en-us/credentials/certifications/exams/dp-300/ |
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Microsoft’s DP-300 certification exam is designed to test the candidate’s ability to administer relational databases on Microsoft Azure. Administering Relational Databases on Microsoft Azure certification is intended for database administrators who want to validate their skills in deploying, managing, securing, and monitoring databases in the cloud. The DP-300 Exam is one of the most sought-after certifications in the database administration field and is recognized by many leading industries worldwide.
NEW QUESTION # 417
You have an Azure SQL database.
You discover that the plan cache is full of compiled plans that were used only once.
You run the select * from sys.database_scoped_configurationsTransact-SQL command and
receive the results shown in the following table.
You need relieve the memory pressure.
What should you configure?
Answer: A
Explanation:
Section: [none]
Explanation:
OPTIMIZE_FOR_AD_HOC_WORKLOADS = { ON | OFF }
Enables or disables a compiled plan stub to be stored in cache when a batch is compiled for the first time. The
default is OFF. Once the database scoped configuration OPTIMIZE_FOR_AD_HOC_WORKLOADS is enabled
for a database, a compiled plan stub will be stored in cache when a batch is compiled for the first time. Plan
stubs have a smaller memory footprint compared to the size of the full compiled plan.
Incorrect Answers:
A: LEGACY_CARDINALITY_ESTIMATION = { ON | OFF | PRIMARY }
Enables you to set the query optimizer cardinality estimation model to the SQL Server 2012 and earlier version
independent of the compatibility level of the database. The default is OFF, which sets the query optimizer
cardinality estimation model based on the compatibility level of the database.
B: QUERY_OPTIMIZER_HOTFIXES = { ON | OFF | PRIMARY }
Enables or disables query optimization hotfixes regardless of the compatibility level of the database. The default
is OFF, which disables query optimization hotfixes that were released after the highest available compatibility
level was introduced for a specific version (post-RTM).
Reference:
https://docs.microsoft.com/en-us/sql/t-sql/statements/alter-database-scoped-configuration-transact-sql
NEW QUESTION # 418
You are creating a managed data warehouse solution on Microsoft Azure.
You must use PolyBase to retrieve data from Azure Blob storage that resides in parquet format and load the data into a large table called FactSalesOrderDetails.
You need to configure Azure Synapse Analytics to receive the data.
Which four 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.
Answer:
Explanation:
1 - Create a master key on database.
2 - Create an external data source for Azure Blob storage.
3 - Create an external file format to map the parquet files.
4 - Create an external table FactSalesOrderDetails.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/polybase/polybase-configure-azure-blob-storage
NEW QUESTION # 419
You need to implement the monitoring of SalesSQLDb1. The solution must meet the technical requirements.
How should you collect and stream metrics? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation
Box 1: The server, the elastic pool, and the database
Senario:
SalesSQLDb1 is in an elastic pool named SalesSQLDb1Pool.
Litware technical requirements include: all SQL Server and Azure SQL Database metrics related to CPU and storage usage and limits must be analyzed by using Azure built-in functionality.
Box 2: Azure Event hubs
Scenario: Migrate ManufacturingSQLDb1 to the Azure virtual machine platform.
Event hubs are able to handle custom metrics.
NEW QUESTION # 420
You have an Azure SQL database named db1.
You need to retrieve the resource usage of db1 from the last week.
How should you complete the statement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation
Box 1: sys.resource_stats
sys.resource_stats returns CPU usage and storage data for an Azure SQL Database. It has database_name and start_time columns.
Box 2: DateAdd
The following example returns all databases that are averaging at least 80% of compute utilization over the last one week.
DECLARE @s datetime;
DECLARE @e datetime;
SET @s= DateAdd(d,-7,GetUTCDate());
SET @e= GETUTCDATE();
SELECT database_name, AVG(avg_cpu_percent) AS Average_Compute_Utilization FROM sys.resource_stats WHERE start_time BETWEEN @s AND @e GROUP BY database_name HAVING AVG(avg_cpu_percent) >= 80 Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/system-catalog-views/sys-resource-stats-azure-sql-data
NEW QUESTION # 421
You have SQL Server on Azure virtual machines in an availability group.
You have a database named DB1 that is NOT in the availability group.
You create a full database backup of DB1.
You need to add DB1 to the availability group.
Which restore option should you use on the secondary replica?
Answer: A
Explanation:
Explanation
Prepare a secondary database for an Always On availability group requires two steps:
1. Restore a recent database backup of the primary database and subsequent log backups onto each server instance that hosts the secondary replica, using RESTORE WITH NORECOVERY
2. Join the restored database to the availability group.
Reference:
https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/manually-prepare-asecondary database-for-an-availability-group-sql-server
NEW QUESTION # 422
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