Microsoft DP-300 Practice Test Software For Self-Evaluation

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The DP-300 certification exam covers a wide range of topics such as designing and implementing database solutions on Azure, managing and monitoring databases, implementing security and high availability, and optimizing database performance. DP-300 Exam also focuses on advanced topics such as Azure SQL Database Managed Instance, Azure SQL Data Warehouse, and Azure Cosmos DB.

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The Administering Relational Databases on copyright (DP-300) web-based practice test is compatible with these browsers: Chrome, Safari, Internet Explorer, MS Edge, Firefox, and Opera. This Administering Relational Databases on copyright (DP-300) practice exam does not require any software installation as it is web-based. It has similar specifications to the Microsoft DP-300 desktop-based practice exam software, but it requires an internet connection.

Configure Query Performance: 5-10%

Microsoft Administering Relational Databases on copyright Sample Questions (Q288-Q293):

NEW QUESTION # 288
You create a new Azure SQL managed instance named SQL1 and enable Database Mail extended stored
You need to ensure that SQ Server Agent jobs running on SQL 1 can notify when a failure Occurs
Which three actions should you perform in sequence 7 TO answer. move the appropriate actions from the list Of actions to answer area and arrange them in correct order.

Answer:

Explanation:

1 - Create a Database Mail account.
2 - Create a profile named Az,,,,,
3 - Enable email notifications upon failture.


NEW QUESTION # 289
You have an Azure SQL database named DB1 that contains two tables named Table1 and Table2. Both tables contain a column named a Column1. Column1 is used for joins by an application named App1.
You need to protect the contents of Column1 at rest, in transit, and in use.
How should you protect the contents of Column1? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:

Box 1: Column encryption Key
Always Encrypted uses two types of keys: column encryption keys and column master keys. A column encryption key is used to encrypt data in an encrypted column. A column master key is a key-protecting key that encrypts one or more column encryption keys.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/security/encryption/always-encrypted-database-engine


NEW QUESTION # 290
You have an Azure SQL database.
You identify a long running query.
You need to identify which operation in the query is causing the performance issue.
What should you use to display the query execution plan in Microsoft SQL Server Management Studio (SSMS)?

Answer: C

Explanation:
SQL Server Management Studio provides the ability to view the live execution plan of an active query. This live query plan provides real-time insights into the query execution process as the controls flow from one query plan operator to another. The live query plan displays the overall query progress and operator-level run-time execution statistics such as the number of rows produced, elapsed time, operator progress, etc. Because this data is available in real time without needing to wait for the query to complete, these execution statistics are extremely useful for debugging query performance issues.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/performance/live-query-statistics


NEW QUESTION # 291
DRAG DROP
You have SQL Server on an Azure virtual machine that contains a database named DB1. DB1 is 30 TB and has a 1-GB daily rate of change.
You back up the database by using a Microsoft SQL Server Agent job that runs Transact-SQL commands. You perform a weekly full backup on Sunday, daily differential backups at 01:00 in the morning, and transaction log backups every five minutes.
The database fails on Wednesday at 10:00 in the morning.
Which three backups should you restore in sequence? To answer, move the appropriate backups from the list of backups to the answer area and arrange them in the correct order.
Select and Place:

Answer:

Explanation:

Section: [none]


NEW QUESTION # 292
You have an Azure SQL database named DB1 that contains a table named Table 1.
You run a query to load data into Table1.
The performance metrics of Table1 during the load operation are shown in the following exhibit.

Use the drop-down menus to select the answer choice that completes each statement based on the information presented in the graphic. NOTE: Each correct selection is worth one point.

Answer:

Explanation:

Explanation:


NEW QUESTION # 293
......

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