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The DP-300 certification exam is ideal for IT professionals who are looking to advance their career in database administration and gain recognition for their expertise in the field. As more and more organizations adopt cloud-based solutions, the demand for skilled database administrators who can manage and maintain databases on Azure is rapidly increasing. By earning this certification, candidates can demonstrate their proficiency in using Azure technologies and gain a competitive edge in the job market. Moreover, the DP-300 Certification is a prerequisite for the Microsoft Certified: Azure Database Administrator Associate certification, which further validates the candidate's skills in managing and maintaining Azure databases.
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The DP-300 certification exam is intended for database administrators who have experience with SQL Server on-premises and want to expand their skills to the cloud. DP-300 exam covers a wide range of topics, including designing and implementing Azure SQL Database, managing databases and instances, implementing security features, monitoring and optimizing performance, and implementing high availability and disaster recovery solutions.
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NEW QUESTION # 64
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: B
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 # 65
You have a burstable Azure virtual machine named VMI that hosts an instance of Microsoft SQL Server.
You need to attach an Azure ultra disk to VMI. The solution must minimize downtime on VMI.
In which order should you perform the actions? To answer, move all actions from the list of actions to the answer area and arrange them in the correct order.
Answer:
Explanation:
Explanation:
NEW QUESTION # 66
You have an Azure SQL database named DB1. You run a query while connected to DB1.
You review the actual execution plan for the query, and you add an index to a table referenced by the query.
You need to compare the previous actual execution plan for the query to the Live Query Statistics.
What should you do first in Microsoft SQL Server Management Studio (SSMS)?
Answer: A
Explanation:
The Plan Comparison menu option allows side-by-side comparison of two different execution plans, for easier identification of similarities and changes that explain the different behaviors for all the reasons stated above.
This option can compare between:
Two previously saved execution plan files (.sqlplan extension).
One active execution plan and one previously saved query execution plan.
Two selected query plans in Query Store.
Basic Concept: This question tests database auditing and query visibility. DP-300 expects you to distinguish between collecting audit events, retaining logs, and analyzing query behavior.
Why C is Correct: Save the actual execution plan. is related to operational monitoring or tuning, but it must match the exact signal needed: query history, resource utilization, wait/blocking detail, or automatic remediation. The scenario asks for: You need to compare the previous actual execution plan for the query to the Live Query Statistics. That makes Save the actual execution plan. the option that satisfies the required Azure SQL layer and operational outcome.
Why A is Wrong: Query Store captures query text, plans, and runtime statistics, making it central for reviewing query history and troubleshooting plan regressions. It does not expose the required metric, query history, wait/blocking signal, or tuning mechanism; using it would not give the administrator the evidence requested.
Why B is Wrong: Run the SET SHOWPLAN_ALL Transact-SQL statement. is related to operational monitoring or tuning, but it must match the exact signal needed: query history, resource utilization, wait
/blocking detail, or automatic remediation. It is useful in other troubleshooting paths, but this scenario requires a more specific monitoring or optimization feature.
Why D is Wrong: Query Store captures query text, plans, and runtime statistics, making it central for reviewing query history and troubleshooting plan regressions. It does not expose the required metric, query history, wait/blocking signal, or tuning mechanism; using it would not give the administrator the evidence requested.
NEW QUESTION # 67
You are evaluating the role assignments.
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Reference:
https://docs.microsoft.com/en-us/azure/role-based-access-control/built-in-roles
NEW QUESTION # 68
You have the on premises networks shown in the following table.
You have an Azure subscription that contains an Azure SQL Database server named SQL1. SQL1 contains two databases named DB1 and DB2.
You need to configure access to DB1 and DB2. The solution must meet the following requirements:
Ensure that DB1 can be accessed only by users in Branch1.
Ensure that DB2 can be accessed only by users in Branch2.
Solution: You connect to DB1 and run the following command:
EXECUTE sp_set_firewall_rule ' Deny db1 users ' , ' 131.107.11.0 ' , ' 131.107.11.255 ' You connect to DB2 and run the following command:
EXECUTE sp_set_database_firewall_rule ' Deny db2 users ' , ' 131.107.10.0 ' , ' 131.107.10.255 ' Does this meet the goal?
Answer: B
NEW QUESTION # 69
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