최신DP-300최신기출자료인증덤프데모문제다운

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Microsoft DP-300 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Plan and implement data platform resources	15–20%	- Deploy database resources 1. Deploy Azure SQL Database, Managed Instance, and SQL Server on Azure VMs 2. Configure resources for scale and performance 3. Automate deployment using templates, PowerShell, or CLI - Implement migration strategies 1. Evaluate migration requirements and strategies 2. Migrate between Azure services or from on-premises 3. Perform offline and online migrations - Plan deployment of database offerings 1. Evaluate deployment options for Azure SQL services 2. Plan for scalability and performance requirements 3. Identify use cases for hybrid and multi-cloud solutions
Topic 2: Plan and configure high availability and disaster recovery	20–25%	- Implement backup and restore 1. Configure automated backups and retention 2. Manage backup storage and costs 3. Perform point-in-time and long-term retention restores - Design HA/DR strategy 1. Choose between built-in and custom solutions 2. Evaluate hybrid and cross-region options 3. Define RPO and RTO requirements - Configure high availability solutions 1. Configure Always On availability groups 2. Implement failover groups and auto-failover 3. Test and monitor HA/DR operations
Topic 3: Implement a secure environment	20–25%	- Secure data at rest and in transit 1. Configure encryption for connections and data transfer 2. Manage keys and certificates 3. Implement Transparent Data Encryption - Implement compliance and security controls 1. Configure auditing and logging 2. Implement data masking and classification 3. Assess and remediate vulnerabilities - Configure authentication and authorization 1. Apply least privilege principle 2. Manage database users, roles, and permissions 3. Implement Microsoft Entra ID authentication
Topic 4: Monitor and optimize operational resources	15–20%	- Optimize resource consumption 1. Adjust compute, storage, and tier settings 2. Implement auto-scaling and elasticity 3. Manage costs and licensing - Automate maintenance and operations 1. Manage database lifecycle operations 2. Schedule and perform updates and patches 3. Automate tasks using jobs, scripts, or Logic Apps - Monitor database performance and health 1. Use Azure Monitor, SQL Insights, and metrics 2. Set up alerts and notifications 3. Identify and diagnose performance issues
Topic 5: Optimize query performance	15–20%	- Improve query performance 1. Use query store and performance tuning tools 2. Create and modify indexes 3. Optimize T-SQL code and constructs - Analyze query execution plans 1. Interpret execution plans and statistics 2. Identify bottlenecks and inefficiencies 3. Evaluate index usage and design - Manage workload performance 1. Troubleshoot slow-running queries 2. Control resource usage and concurrency 3. Implement partitioning and compression

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최신 Microsoft Azure DP-300 무료샘플문제 (Q366-Q371):

질문 # 366
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. For the database, create a diagnostic setting that has the InstanceAndAppAdvanced metric enabled.
B. Create an alert rule that uses an Activity Log signal type.
C. Create a diagnostic setting for the activity log that has the Security log enabled.
D. Create an alert rule that uses a Metric signal type.

정답：B

설명：
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

질문 # 367
You configure a long-term retention policy for an Azure SQL database as shown in the exhibit. (Click the Exhibit tab.)

The first weekly backup occurred on January 4, 2020. The dates for the first 10 weekly backups are:
* January 4, 2020
* January 11, 2020
* January 18, 2020
* January 25, 2020
* February 1, 2020
* February 8, 2020
* February 15, 2020
* February 22, 2020
* February 29, 2020
* March 7, 2020
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.

정답：

설명：

Explanation:
Graphical user interface, text, application, email Description automatically generated

질문 # 368
You have an Azure SQL database named DB1 that has strict auditing requirements.
You plan to enable ledger on DB1 and implement database verification by using automatic digest storage.
You need to configure the database isolation level for DB1 before you can run the verification stored procedures.
To what should you set Isolation level?

A. Read committed
B. Repeatable read
C. Snapshot
D. Read uncommitted

정답：C

설명：
By using the SNAPSHOT isolation level during verification, you ensure the integrity of your ledger data and detect any unauthorized modifications.
The database option ALLOW_SNAPSHOT_ISOLATION must be enabled on the database before you can run the ledger verification stored procedures. The appropriate isolation level to use for the verification process is the SNAPSHOT isolation level.
When you run the database verification using the
sys.sp_verify_database_ledger_from_digest_storage stored procedure, the database must have ALLOW_SNAPSHOT_ISOLATION set to ON. This ensures that the verification process operates on a consistent snapshot of the data, preventing potential inconsistencies from concurrent transactions that might interfere with the hash computations.
The following points detail the configuration and process:
Enabling the Option: You need to use the T-SQL command ALTER DATABASE
<database_name> SET ALLOW_SNAPSHOT_ISOLATION ON; to enable this setting.
Verification Process: The verification process itself involves executing a system stored procedure that recomputes the hashes stored in the database ledger and compares them against the stored digests to detect any tampering.
Default in Azure SQL DB: Note that in Azure SQL Database, the default isolation level is READ COMMITTED SNAPSHOT ISOLATION (RCSI), which uses row versioning and has ALLOW_SNAPSHOT_ISOLATION enabled by default, so in most cases the setting is already correctly configured.
Reference:
https://learn.microsoft.com/en-us/sql/relational-databases/security/ledger/ledger-database-verification

질문 # 369
You create all of the tables and views for ResearchDB1.
You need to implement security for ResearchDB1. The solution must meet the security and compliance requirements.
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.

정답：

설명：

1 - Register ResearchApp1 to Azure AD.
2 - Create an Azure Key Vault instance and configure an access policy.
3 - Run the Always Encrypted wizard.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/database/always-encrypted-azure-key-vault-configure?tabs=azure-powershell

질문 # 370
You have an Azure Active Directory (Azure AD) tenant named contoso.com that contains a user named user1@contoso.com and an Azure SQL managed instance named SQLMI1.
You need to ensure that user1@contoso.com can create logins in SQLMI1 that map to Azure AD service principals.
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.

정답：

설명：

1 - Grant SQLMI1 read access to Azure AD.
2 - Run CREATE LOGIN user1@contoso.com FROM EXTERNAL PROVIDER on the master database
3 - Run ALTER SERVER ROLE securityadmin ADD MEMBER user1@contoso.com.
Reference:
https://docs.microsoft.com/en-us/azure/azure-sql/managed-instance/aad-security-configure-tutorial

질문 # 371
......

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