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Administering Relational Databases on Microsoft Azure Practice Test

DP-300 test Format | Course Contents | Course Outline | test Syllabus | test Objectives

Test Detail:
The DP-300 exam- also known as Administering Relational Databases on Microsoft Azure- is a certification assessment that measures an individual's proficiency in administering and managing relational databases on the Microsoft Azure platform. The test evaluates the candidate's knowledge and skills in deploying- securing- monitoring- and maintaining Azure SQL databases. This certification is designed for database administrators who want to demonstrate their expertise in Azure-based database management.

Course Outline:
The Administering Relational Databases on Microsoft Azure course provides participants with comprehensive knowledge and practical skills in managing Azure SQL databases. The following is a general outline of the key areas covered in the certification program:

1. Azure SQL Database Deployment:
- Understanding Azure SQL database concepts and architecture.
- Deploying Azure SQL databases using different methods.
- Configuring database settings and options.
- Migrating on-premises databases to Azure.

2. Database Security and Encryption:
- Implementing security measures for Azure SQL databases.
- Managing database access and user roles.
- Configuring authentication and authorization.
- Implementing data encryption and security policies.

3. Database Monitoring and Optimization:
- Monitoring database performance and identifying bottlenecks.
- Implementing performance tuning techniques.
- Managing database backups and disaster recovery.
- Implementing high availability and business continuity.

4. Automation and Maintenance:
- Automating database management tasks using Azure services.
- Implementing and managing database maintenance tasks.
- Troubleshooting common database issues.
- Implementing database monitoring and alerting.

Exam Objectives:
The DP-300 test assesses candidates' knowledge and practical skills in administering relational databases on Microsoft Azure. The test objectives include- but are not limited to:

1. Deploying and managing Azure SQL databases.
2. Implementing security measures and managing database access.
3. Monitoring and optimizing database performance.
4. Implementing backup- recovery- and high availability solutions.
5. Automating database management tasks and maintaining database health.

Syllabus:
The Administering Relational Databases on Microsoft Azure certification program typically includes comprehensive training provided by authorized Microsoft training partners. The syllabus provides a breakdown of the syllabus covered throughout the course- including specific learning objectives and milestones. The syllabus may include the following components:

- Introduction to Azure SQL databases and Azure data services.
- Azure SQL database deployment and configuration.
- Database security and access management.
- Database monitoring- performance optimization- and troubleshooting.
- Backup- recovery- and high availability strategies.
- Automation and maintenance of Azure SQL databases.
- test preparation and practice tests.
- Final DP-300 Certification Exam.

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DP-300
Administering Relational Databases on Microsoft Azure
https://killexams.com/pass4sure/exam-detail/DP-300
Question: 87
You are designing a dimension table in an Azure Synapse Analytics dedicated SQL pool.
You need to create a surrogate key for the table. The solution must provide the fastest query performance.
What should you use for the surrogate key?
A. an IDENTITY column
B. a GUID column
C. a sequence object
Answer: A
Explanation:
Dedicated SQL pool supports many, but not all, of the table features offered by other databases.
Surrogate keys are not supported. Implement it with an Identity column.
Reference: https://docs.microsoft.com/en-us/azure/synapse-analytics/sql-data-warehouse/sql-data-warehouse-
tablesoverview
Question: 88
Topic 2, Contoso Ltd
Case study
This is a case study. Case studies are not timed separately. You can use as much test time as you would like to
complete each case. However, there may be additional case studies and sections on this exam. You must manage your
time to ensure that you are able to complete all questions included on this test in the time provided.
To answer the questions included in a case study, you will need to reference information that is provided in the case
study. Case studies might contain exhibits and other resources that provide more information about the scenario that is
described in the case study. Each question is independent of the other questions in this case study.
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make
changes before you move to the next section of the exam. After you begin a new section, you cannot return to this
section.
To start the case study
To display the first question in this case study, click the Next button. Use the buttons in the left pane to explore the
content of the case study before you answer the questions. Clicking these buttons displays information such as
business requirements, existing environment, and problem statements. If the case study has an All Information tab,
note that the information displayed is identical to the information displayed on the subsequent tabs. When you are
ready to answer a question, click the Question button to return to the question.
Overview
Existing Environment
Contoso, Ltd. is a financial data company that has 100 employees. The company delivers financial data to customers.
Active Directory
Contoso has a hybrid Azure Active Directory (Azure AD) deployment that syncs to on-premises Active Directory.
Database Environment
Contoso has SQL Server 2017 on Azure virtual machines shown in the following table.
SQL1 and SQL2 are in an Always On availability group and are actively queried. SQL3 runs jobs, provides historical
data, and handles the delivery of data to customers.
The on-premises datacenter contains a PostgreSQL server that has a 50-TB database.
Current Business Model
Contoso uses Microsoft SQL Server Integration Services (SSIS) to create flat files for customers. The customers
receive the files by using FTP.
Requirements
Planned Changes
Contoso plans to move to a model in which they deliver data to customer databases that run as platform as a service
(PaaS) offerings. When a customer establishes a service agreement with Contoso, a separate resource group that
contains an Azure SQL database will be provisioned for the customer. The database will have a complete copy of the
financial data. The data to which each customer will have access will depend on the service agreement tier. The
customers can change tiers by changing their service agreement.
The estimated size of each PaaS database is 1 TB.
Contoso plans to implement the following changes:
Move the PostgreSQL database to Azure Database for PostgreSQL during the next six months.
Upgrade SQL1, SQL2, and SQL3 to SQL Server 2019 during the next few months.
Start onboarding customers to the new PaaS solution within six months.
Business Goals
Contoso identifies the following business requirements:
Use built-in Azure features whenever possible.
Minimize development effort whenever possible.
Minimize the compute costs of the PaaS solutions.
Provide all the customers with their own copy of the database by using the PaaS solution. Provide the customers with
different table and row access based on the customer�s service agreement.
In the event of an Azure regional outage, ensure that the customers can access the PaaS solution with minimal
downtime. The solution must provide automatic failover.
Ensure that users of the PaaS solution can create their own database objects but he prevented from modifying any of
the existing database objects supplied by Contoso.
Technical Requirements
Contoso identifies the following technical requirements:
Users of the PaaS solution must be able to sign in by using their own corporate Azure AD credentials or have Azure
AD credentials supplied to them by Contoso. The solution must avoid using the internal Azure AD of Contoso to
minimize guest users.
All customers must have their own resource group, Azure SQL server, and Azure SQL database. The deployment of
resources for each customer must be done in a consistent fashion.
Users must be able to review the queries issued against the PaaS databases and identify any new objects created.
Downtime during the PostgreSQL database migration must be minimized.
Monitoring Requirements
Contoso identifies the following monitoring requirements:
Notify administrators when a PaaS database has a higher than average CPU usage.
Use a single dashboard to review security and audit data for all the PaaS databases.
Use a single dashboard to monitor query performance and bottlenecks across all the PaaS databases.
Monitor the PaaS databases to identify poorly performing queries and resolve query performance issues automatically
whenever possible.
PaaS Prototype
During prototyping of the PaaS solution in Azure, you record the compute utilization of a customer�s Azure SQL
database as shown in the following exhibit.
Role Assignments
For each customer�s Azure SQL Database server, you plan to assign the roles shown in the following exhibit.
HOTSPOT
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:
Box 1: Yes
DBAGroup1 is member of the Contributor role.
The Contributor role grants full access to manage all resources, but does not allow you to assign roles in Azure RBAC,
manage assignments in Azure Blueprints, or share image galleries.
Box 2: No
Box 3: Yes
DBAGroup2 is member of the SQL DB Contributor role.
The SQL DB Contributor role lets you manage SQL databases, but not access to them. Also, you can�t manage their
security-related policies or their parent SQL servers. As a member of this role you can create and manage SQL
databases.
Question: 89
You have 40 Azure SQL databases, each for a different customer. All the databases reside on the same Azure SQL
Database server.
You need to ensure that each customer can only connect to and access their respective database.
Which two actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct
selection is worth one point.
A. Implement row-level security (RLS).
B. Create users in each database.
C. Configure the database firewall.
D. Configure the server firewall.
E. Create logins in the master database.
F. Implement Always Encrypted.
Answer: B,C
Explanation:
Manage database access by adding users to the database, or allowing user access with secure connection strings.
Database-level firewall rules only apply to individual databases.
Reference: https://docs.microsoft.com/en-us/azure/azure-sql/database/secure-database-tutorial
Question: 90
DRAG DROP
You need to implement statistics maintenance for SalesSQLDb1. The solution must meet the technical requirements.
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:
Automating Azure SQL DB index and statistics maintenance using Azure Automation:
Question: 91
HOTSPOT
You have SQL Server on an Azure virtual machine that contains a database named DB1.
The database reports a CHECKSUM error.
You need to recover the database.
How should you complete the statements? To answer, select the appropriate options in the answer area. NOTE: Each
correct selection is worth one point.
Answer:
Explanation:
Box 1: SINGLE_USER
The specified database must be in single-user mode to use one of the following repair options.
Box 2: REPAIR_ALLOW_DATA_LOSS
REPAIR_ALLOW_DATA_LOSS tries to repair all reported errors. These repairs can cause some data loss.
Note: The REPAIR_ALLOW_DATA_LOSS option is a supported feature but it may not always be the best option for
bringing a database to a physically consistent state. If successful, the REPAIR_ALLOW_DATA_LOSS option may
result in some data loss. In fact, it may result in more data lost than if a user were to restore the database from the last
known good backup.
Question: 92
You have an instance of SQL Server on Azure Virtual Machine named SQL1.
You need to monitor SQL1 and query the metrics by using Kusto query language. The solution must minimize
administrative effort.
Where should you store the metrics?
A. a Log Analytics workspace
B. Azure Event Hubs
C. Azure SQL Database
D. an Azure Blob storage container
Answer: A
Question: 93
Topic 5, Misc. Questions
HOTSPOT
You have SQL Server on an Azure virtual machine that contains a database named Db1.
You need to enable automatic tuning for Db1.
How should you complete the statements? To answer, select the appropriate answer in the answer area. NOTE: Each
correct selection is worth one point.
Answer:
Explanation:
Box 1: SET AUTOMATIC_TUNING = AUTO
To enable automatic tuning on a single database via T-SQL, connect to the database and execute the following query:
ALTER DATABASE current SET AUTOMATIC_TUNING = AUTO
Setting automatic tuning to AUTO will apply Azure Defaults.
Box 2: SET AUTOMATIC_TUNING (FORCE_LAST_GOOD_PLAN = ON)
To configure individual automatic tuning options via T-SQL, connect to the database and execute the query such as
this one:
ALTER DATABASE current SET AUTOMATIC_TUNING (FORCE_LAST_GOOD_PLAN = ON)
Setting the individual tuning option to ON will override any setting that database inherited and enable the tuning
option. Setting it to OFF will also override any setting that database inherited and disable the tuning option.
Question: 94
You are designing a security model for an Azure Synapse Analytics dedicated SQL pool that will support multiple
companies.
You need to ensure that users from each company can view only the data of their respective company.
Which two objects should you include in the solution? Each correct answer presents part of the solution. NOTE: Each
correct selection is worth one point.
A. a column encryption key
B. asymmetric keys
C. a function
D. a custom role-based access control (RBAC) role
E. a security policy
Answer: D,E
Explanation:
Azure RBAC is used to manage who can create, update, or delete the Synapse workspace and its SQL pools, Apache
Spark pools, and Integration runtimes.
Define and implement network security configurations for resources related to your dedicated SQL pool with Azure
Policy.
Reference: https://docs.microsoft.com/en-us/azure/synapse-analytics/security/synapse-workspace-synapse-rbac
https://docs.microsoft.com/en-us/security/benchmark/azure/baselines/synapse-analytics-security-baseline
Question: 95
DRAG DROP
You have an Azure SQL database named DB1. DB1 contains a table that has a column named Col1.
You need to encrypt the data in Col1.
Which four actions should you perform for DB1 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:
Table
Description automatically generated
Question: 96
DRAG DROP
You have SQL Server 2019 on an Azure virtual machine that contains an SSISDB database.
A latest failure causes the master database to be lost.
You discover that all Microsoft SQL Server integration Services (SSIS) packages fail to run on the virtual machine.
Which four actions should you perform in sequence to resolve the issue? To answer, move the appropriate actions
from the list of actions to the answer area and arrange them in the correct.
Answer:
Explanation:
Step 1: Attach the SSISDB database
Step 2: Turn on the TRUSTWORTHY property and the CLR property
If you are restoring the SSISDB database to an SQL Server instance where the SSISDB catalog was never created,
enable common language runtime (clr)
Step 3: Open the master key for the SSISDB database
Restore the master key by this method if you have the original password that was used to create SSISDB.
open master key decryption by password = �LS1Setup!� ��Password used when creating
SSISDB�
Alter Master Key Add encryption by Service Master Key
Step 4: Encrypt a copy of the mater key by using the service master key
Question: 97
DRAG DROP
You need to implement statistics maintenance for SalesSQLDb1. The solution must meet the technical requirements.
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:
Automating Azure SQL DB index and statistics maintenance using Azure Automation:
Question: 98
You are designing a streaming data solution that will ingest variable volumes of data.
You need to ensure that you can change the partition count after creation.
Which service should you use to ingest the data?
A. Azure Event Hubs Standard
B. Azure Stream Analytics
C. Azure Data Factory
D. Azure Event Hubs Dedicated
Answer: D
Explanation:
The partition count for an event hub in a dedicated Event Hubs cluster can be increased after the event hub has been
created.
Reference: https://docs.microsoft.com/en-us/azure/event-hubs/event-hubs-features#partitions
Question: 99
DRAG DROP
You are building an Azure virtual machine.
You allocate two 1-TiB, P30 premium storage disks to the virtual machine. Each disk provides 5,000 IOPS.
You plan to migrate an on-premises instance of Microsoft SQL Server to the virtual machine. The instance has a
database that contains a 1.2-TiB data file. The database requires 10,000 IOPS.
You need to configure storage for the virtual machine to support the database.
Which three objects should you create in sequence? To answer, move the appropriate objects from the list of objects to
the answer area and arrange them in the correct order.
Answer:
Explanation:
Follow these same steps to create striped virtual disk:
Create Log Storage Pool.
Create Virtual Disk
Create Volume
Box 1: a storage pool
Box 2: a virtual disk that uses stripe layout
Disk Striping: Use multiple disks and stripe them together to get a combined higher IOPS and Throughput limit. The
combined limit per VM should be higher than the combined limits of attached premium disks.
Box 3: a volume
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Administering Relational Databases on Microsoft Azure Practice Test

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