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| Section | Weight | Objectives |
|---|---|---|
| Plan and configure high availability and disaster recovery | 20–25% | - Design HA/DR strategy
|
| Plan and implement data platform resources | 15–20% | - Deploy database resources
|
| Monitor and optimize operational resources | 15–20% | - Automate maintenance and operations
|
| Optimize query performance | 15–20% | - Analyze query execution plans
|
| Implement a secure environment | 20–25% | - Implement compliance and security controls
|
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NEW QUESTION # 306
You have an on-premises Microsoft SQL Server 2016 server named Server1 that contains a database named DB1.
You need to perform an online migration of DB1 to an Azure SQL Database managed instance by using Azure Database Migration Service.
How should you configure the backup of DB1? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Box 1: Full and log backups only
Make sure to take every backup on a separate backup media (backup files). Azure Database Migration Service doesn't support backups that are appended to a single backup file. Take full backup and log backups to separate backup files.
Box 2: WITH CHECKSUM
Azure Database Migration Service uses the backup and restore method to migrate your on-premises databases to SQL Managed Instance. Azure Database Migration Service only supports backups created using checksum.
Reference:
https://docs.microsoft.com/en-us/azure/dms/known-issues-azure-sql-db-managed-instance-online
NEW QUESTION # 307
Hotspot Question
You have a SQL Server on Azure Virtual Machines instance that hosts a 10-TB SQL database named DB1.
You need to identify and repair any physical or logical corruption in DB1. The solution must meet the following requirements:
- Minimize how long it takes to complete the procedure.
- Minimize data loss.
How should you complete the command? To answer, select the appropriate options in the answer area.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
Explanation:
Box 1: REPAIR_REBUILD
Performs repairs that have no possibility of data loss. This option may include quick repairs, such as repairing missing rows in nonclustered indexes, and more time-consuming repairs, such as rebuilding an index.
Box 2: PHYSICAL_ONLY
Limits the checking to the integrity of the physical structure of the page and record headers and the allocation consistency of the database. This check is designed to provide a small overhead check of the physical consistency of the database, but it can also detect torn pages, checksum failures, and common hardware failures that can compromise a user's data.
Incorrect:
TABLOCK
Causes DBCC CHECKDB to obtain locks instead of using an internal database snapshot. This includes a short-term exclusive (X) lock on the database.
TABLOCK will cause DBCC CHECKDB to run faster on a database under heavy load, but will decrease the concurrency available on the database while DBCC CHECKDB is running.
EXTENDED_LOGICAL_CHECKS
If the compatibility level is 100 ( SQL Server 2008) or higher, performs logical consistency checks on an indexed view, XML indexes, and spatial indexes, where present.
Reference:
https://docs.microsoft.com/en-us/sql/t-sql/database-console-commands/dbcc-checkdb-transact-sql
NEW QUESTION # 308
You have an Azure SQL database named DB1 that contains a table named Orders. The Orders table contains a row for each sales order. Each sales order includes the name of the user who placed the order.
You need to implement row-level security (RLS). The solution must ensure that the users can view only their respective sales orders.
What should you include in the solution? To answer, select the appropriate options in the answer are a.
NOTE: Each correct selection is worth one point.
Answer:
Explanation:
NEW QUESTION # 309
You have an Azure Databricks workspace named workspace1 in the Standard pricing tier. Workspace1 contains an all-purpose cluster named cluster1.
You need to reduce the time it takes for cluster1 to start and scale up. The solution must minimize costs.
What should you do first?
Answer: C
Explanation:
You can use Databricks Pools to Speed up your Data Pipelines and Scale Clusters Quickly.
Databricks Pools, a managed cache of virtual machine instances that enables clusters to start and scale 4 times faster.
Reference:
https://databricks.com/blog/2019/11/11/databricks-pools-speed-up-data-pipelines.html Basic Concept: This question tests plan and configure a high availability and disaster recovery (ha/dr) environment in the DP-300 exam context. The correct choice is determined by the exact service boundary and operational requirement stated in the scenario.
Why C is Correct: Create a pool in workspace1. 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 reduce the time it takes for cluster1 to start and scale up. That makes Create a pool in workspace1. the option that satisfies the required Azure SQL layer and operational outcome.
Why A is Wrong: Upgrade workspace1 to the Premium pricing tier. 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 does not meet the failover, restore, quorum, or cross-region continuity target stated in the question, even if it is valid in a different availability design.
Why B is Wrong: Configure a global init script for workspace1. 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 D is Wrong: Create a cluster policy in workspace1. 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 does not meet the failover, restore, quorum, or cross-region continuity target stated in the question, even if it is valid in a different availability design.
NEW QUESTION # 310
MyDB1 is an Azure SQL on Azure virtual machine (VM) database.
You identify a long-running query.
You want to determine where the operation in the query is causing performance problems.
You need to use SQL Server Management Studio (SSMS) to view the execution plan based on runtime information so you can try query variations in real time.
What should you use?
Answer: D
NEW QUESTION # 311
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