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  1. Home
  2. Microsoft Certification
  3. DP-300 Exam
  4. Microsoft.DP-300.v2022-04-23.q155 Dumps
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Question 151

HOTSPOT
You have an Azure SQL database that contains a table named Customer. Customer has the columns shown in
the following table.

You plan to implement a dynamic data mask for the Customer_Phone column. The mask must meet the
following requirements:
* The first six numerals of each customer's phone number must be masked.
* The last four digits of each customer's phone number must be visible.
* Hyphens must be preserved and displayed.
How should you configure the dynamic data mask? To answer, select the appropriate options in the answer
area.
Hot Area:

Correct Answer:

Section: [none]
Explanation:
Box 1: 0
Custom String : Masking method that exposes the first and last letters and adds a custom padding string in
the middle. prefix,[padding],suffix
Box 2: xxx-xxx
Box 3: 5
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/security/dynamic-data-masking
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Question 152

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?

Correct Answer: C
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 Perform Automation of Tasks Question Set 1
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Question 153

Which counter should you monitor for real-time processing to meet the technical requirements?

Correct Answer: B
Section: [none]
Explanation:
Scenario: Real-time processing must be monitored to ensure that workloads are sized properly based on actual usage patterns.
To monitor the performance of a database in Azure SQL Database and Azure SQL Managed Instance, start by monitoring the CPU and IO resources used by your workload relative to the level of database performance you chose in selecting a particular service tier and performance level.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/monitor-tune-overview Question Set 4
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Question 154

You have SQL Server on an Azure virtual machine that contains a database named DB1. DB1 contains a table
named CustomerPII.
You need to record whenever users query the CustomerPII table.
Which two options should you enable? Each correct answer presents part of the solution.
NOTE: Each correct selection is worth one point.

Correct Answer: A,C
Section: [none]
Explanation:
An auditing policy can be defined for a specific database or as a default server policy in Azure (which hosts
SQL Database or Azure Synapse):
* A server policy applies to all existing and newly created databases on the server.
* If server auditing is enabled, it always applies to the database. The database will be audited, regardless of
the database auditing settings.
* Enabling auditing on the database, in addition to enabling it on the server, does not override or change any
of the settings of the server auditing. Both audits will exist side by side.
Note:
The Server Audit Specification object belongs to an audit.
A Database Audit Specification defines which Audit Action Groups will be audited for the specific database in
which the specification is created.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/auditing-overview
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Question 155

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?

Correct Answer: D
Section: [none]
Explanation:
Activity log events - An alert can trigger on every event, or, only when a certain number of events occur.
Incorrect Answers:
C: Metric values - The alert triggers when the value of a specified metric crosses a threshold you assign in
either direction. That is, it triggers both when the condition is first met and then afterwards when that condition
is no longer being met.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/alerts-insights-configure-portal
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