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The DP-300 exam covers a wide range of topics related to administering relational databases on Microsoft Azure. DP-300 exam includes topics such as deploying and configuring infrastructure, managing databases, implementing security, monitoring and optimizing performance, and implementing high availability solutions. DP-300 exam is designed to test the candidate’s knowledge and skills in all these areas, making it a comprehensive certification for database administrators.
The DP-300 Certification Exam is ideal for IT professionals who are looking to advance their careers in cloud computing and database administration. Administering Relational Databases on Microsoft Azure certification validates your skills and knowledge in administering and maintaining relational databases on Microsoft Azure, which is a highly sought-after skill in the IT industry.
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NEW QUESTION # 431
You need to recommend a backup solution to restore DB3. The solution must meet the availability requirements. Which type of backup should you use?
Answer: C
Explanation:
Basic Concept: This question tests high availability and disaster recovery design for Azure SQL, SQL Server on Azure VMs, and regional failure scenarios.
Why C is Correct: differential is part of the availability or recovery design space, but the correct choice must satisfy the specified failover, restore, quorum, RPO, or RTO requirement. The scenario asks for: You need to recommend a backup solution to restore DB3. That makes differential the option that satisfies the required Azure SQL layer and operational outcome.
Why A is Wrong: transaction log is part of the availability or recovery design space, but the correct choice must satisfy the specified failover, restore, quorum, RPO, or RTO requirement. It handles a different resilience pattern and would not deliver the failover or recovery behavior required here.
Why B is Wrong: point-in-time restore (PITR) is part of the availability or recovery design space, but the correct choice must satisfy the specified failover, restore, quorum, RPO, or RTO requirement. It is not wrong technology in general, but it is the wrong HA/DR control for this scenario ' s failure model.
Why D is Wrong: long-term retention (LTR) is part of the availability or recovery design space, but the correct choice must satisfy the specified failover, restore, quorum, RPO, or RTO requirement. It handles a different resilience pattern and would not deliver the failover or recovery behavior required here.
NEW QUESTION # 432
Hotspot Question
You have an Azure subscription that contains an Azure SQL database named DB1.
Users report that DB1 has query performance issues.
You need to ensure that you can move specific tables in DB1 to In-Memory OLTP.
How should you complete the T-SQL statement? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Box 1: IsXTPSupported;
Step 1: Ensure you are using a Premium or Business Critical tier database In-Memory OLTP is supported if the result from the following query is 1 (not 0):
SELECT DATABASEPROPERTYEX(DB_NAME(), 'IsXTPSupported');
XTP stands for Extreme Transaction Processing, which is an informal name of the In-Memory OLTP feature.
(Step 2: Identify objects to migrate to In-Memory OLTP)
Box 2: MEMORY_OPTIMIZED_ELEVATE_TO_SNAPSHOT
Step 3: Create a comparable test database
Suppose the report indicates your database has a table that would benefit from being converted to a memory-optimized table. We recommend that you first test to confirm the indication by testing.
You need a test copy of your production database. The test database should be at the same service tier level as your production database.
To ease testing, tweak your test database as follows:
Connect to the test database by using SQL Server Management Studio (SSMS).
To avoid needing the WITH (SNAPSHOT) option in queries, set the current database's MEMORY_OPTIMIZED_ELEVATE_TO_SNAPSHOT option, as shown in the following T-SQL statement:
ALTER DATABASE CURRENT SET MEMORY_OPTIMIZED_ELEVATE_TO_SNAPSHOT = ON;
(Step 4: Migrate tables)
Reference:
https://learn.microsoft.com/en-us/azure/azure-sql/database/in-memory-oltp-configure
NEW QUESTION # 433
You have an Azure SQL database named D61.
You need to identify how much unused space in megabytes was allocated to DB1.
How should you complete the Transact-SQL query? To answer select the appropriate options m the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 434
You have a Microsoft SQL Server 2019 database named DB1 that uses the following database-level and instance-level features.
* Clustered columnstore indexes
* Automatic tuning
* Change tracking
* PolyBase
You plan to migrate DB1 to an Azure SQL database.
What feature should be removed or replaced before DB1 can be migrated?
Answer: D
Explanation:
This table lists the key features for PolyBase and the products in which they're available.
Incorrect Answers:
C: Change tracking is a lightweight solution that provides an efficient change tracking mechanism for applications. It applies to both Azure SQL Database and SQL Server.
D: Azure SQL Database and Azure SQL Managed Instance automatic tuning provides peak performance and stable workloads through continuous performance tuning based on AI and machine learning.
Reference:
https://docs.microsoft.com/en-us/sql/relational-databases/polybase/polybase-versioned-feature-summary Implement a Secure Environment Question Set 1
NEW QUESTION # 435
You have SQL Server on Azure virtual machines in an availability group.
You have a database named DB1 that is NOT in the availability group.
You create a full database backup of DB1.
You need to add DB1 to the availability group.
Which restore option should you use on the secondary replica?
Answer: B
Explanation:
Explanation
Prepare a secondary database for an Always On availability group requires two steps:
1. Restore a recent database backup of the primary database and subsequent log backups onto each server instance that hosts the secondary replica, using RESTORE WITH NORECOVERY
2. Join the restored database to the availability group.
Reference:
https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/manually-prepare-asecondary database-for-an-availability-group-sql-server
NEW QUESTION # 436
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