Microsoft DP-300 Exam Dumps

Administering Relational Databases on Microsoft Azure

Total Questions : 276

Update Date : November 27, 2023

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Microsoft DP-300 Sample Questions

Question # 1

You have an Azure SQL database named DB1.You need to display the estimated execution plan of a query by using the query editor inthe Azure portal.What should you do first?

A. Run the set showplan_all Transact-SQL statement.
B. For DB1, set QUERY_CAPTURE_MODE of Query Store to All.
C. Run the set forceplan Transact-SQL statement.
D. Enable Query Store for DB1.

Question # 2

You create five Azure SQL Database instances on the same logical server.In each database, you create a user for an Azure Active Directory (Azure AD) user namedUser1.User1 attempts to connect to the logical server by using Azure Data Studio and receives alogin error.You need to ensure that when User1 connects to the logical server by using Azure DataStudio, User1 can see all the databases.What should you do?

A. Create User1 in the master database.
B. Assign User1 the db_datareader role for the master database.
C. Assign User1 the db_datareader role for the databases that Userl creates.
D. Grant select on sys.databases to public in the master database.

Question # 3

Note: This question is part of a series of questions that present the same scenario.Each question in the series contains a unique solution that might meet the statedgoals. Some question sets might have more than one correct solution, while othersmight not have a correct solution.After you answer a question in this section, you will NOT be able to return to it. As aresult, these questions will not appear in the review screen.You have SQL Server 2019 on an Azure virtual machine.You are troubleshooting performance issues for a query in a SQL Server instance.To gather more information, you query sys.dm_exec_requests and discover that the waittype is PAGELATCH_UP and the wait_resource is 2:3:905856.You need to improve system performance.Solution: You change the data file for the master database to autogrow by 10 percent.Does this meet the goal?

A. Yes
B. No

Question # 4

You are planning a solution that will use Azure SQL Database. Usage of the solution willpeak from October 1 to January 1 each year.During peak usage, the database will require the following:24 cores500 GB of storage124 GB of memoryMore than 50,000 IOPSDuring periods of off-peak usage, the service tier of Azure SQL Database will be set toStandard.Which service tier should you use during peak usage?

A. Business Critical
B. Premium
C. Hyperscale

Question # 5

You have an Azure subscription that contains a server named Server1. Server1 hosts twoAzure SQL databases named DB1 and DB2.You plan to deploy a Windows app named App1 that will authenticate to DB2 by using SQLauthentication.You need to ensure that App1 can access DB2. The solution must meet the followingrequirements:App1 must be able to view only DB2. Administrative effort must be minimized.What should you create?

A. a contained database user for App1 on DB2
B. a login for App1 on Server1
C. a contained database user from an external provider for App1 on DB2
D. a contained database user from a Windows login for App1 on DB2

Question # 6

You have an Azure SQL database named db1 on a server named server1.You need to modify the MAXDOP settings for db1.What should you do?

A. Connect to db1 and run the sp_configure command.
B. Connect to the master database of server1 and run the sp_configure command.
C. Configure the extended properties of db1.
D. Modify the database scoped configuration of db1.

Question # 7

You have an Azure SQL managed instance named SQLMI1 that hosts 10 databases.You need to implement alerts by using Azure Monitor. The solution must meet the followingrequirements:Minimize costs.Aggregate Intelligent Insights telemetry from each database.What should you do?

A. From the Diagnostic settings of each database, select Send to Log Analytics.
B. From the Diagnostic settings of each database, select Stream to an event hub.
C. From the Diagnostic settings of SQLMI1. select Send to Log Analytics.
D. From the Diagnostic settings of SQLMI1. select Stream to an event hub.

Question # 8

You have an Azure SQL Database managed instance.The instance starts experiencing performance issues.You need to identify which query is causing the issue and retrieve the execution plan forthe query. The solution must minimize administrative effort.What should you use?

A. the Azure portal
B. Extended Events
C. Query Store
D. dynamic management views

Question # 9

You have an Azure SQL managed instance named SQL1 and two Azure web apps namedApp1 and App2.You need to limit the number of IOPs that App2 queries generate on SQL1.Which two actions should you perform on SQL1? Each correct answer presents part of thesolution.NOTE: Each correct selection is worth one point.

A. Enable query optimizer fixes.
B. Enable Resource Governor.
C. Enable parameter sniffing.
D. Create a workload group.
E. Configure In-memory OLTP.
F. Run the Database Engine Tuning Advisor.
G. Reduce the Max Degree of Parallelism value.

Question # 10

Note: This question is part of a series of questions that present the same scenario.Each question in the series contains a unique solution that might meet the statedgoals. Some question sets might have more than one correct solution, while othersmight not have a correct solution.After you answer a question in this section, you will NOT be able to return to it. As aresult, these questions will not appear in the review screen.You have SQL Server 2019 on an Azure virtual machine.You are troubleshooting performance issues for a query in a SQL Server instance.To gather more information, you query sys.dm_exec_requests and discover that the waittype is PAGELATCH_UP and the wait_resource is 2:3:905856.You need to improve system performance.Solution: You shrink the transaction log file.Does this meet the goal?

A. Yes
B. No

Question # 11

You have an Azure SQL database named db1 on a server named server1.The Intelligent Insights diagnostics log identifies that several tables are missing indexes.You need to ensure that indexes are created for the tables.What should you do?

A. RuntheDBCC SQLPERF command.
B. Run the dbcc dbreindex command.
C. Modify the automatic tuning settings for db1.
D. Modify the Query Store settings for db1.

Question # 12

You plan to deploy an app that includes an Azure SQL database and an Azure web app.The app has the following requirements:The web app must be hosted on an Azure virtual network.The Azure SQL database must be assigned a private IP address.The Azure SQL database must allow connections only from the virtual network.You need to recommend a solution that meets the requirements.What should you include in the recommendation?

A. Azure Private Link
B. a network security group (NSG)
C. a database-level firewall
D. a server-level firewall

Question # 13

You have an Azure subscription that uses a domain named contoso.com.You have two Azure VMs named DBServer1 and DBServer2. Each of them hosts a defaultSQL Server instance. DBServer1 is in the East US Azure region and contains a databasenamed DatabaseA. DBServer2 is in the West US Azure region.DBServer1 has a high volume of data changes and low latency requirements for datawrites.You need to configure a new availability group for DatabaseA. The secondary replica willreside on DBServer2.What should you do?

A. Configure the primary endpoint as TCP://DBServer1.contoso.com:445, configure thesecondary endpoint as TCP://DBServer2.contoso.com:445, and set the availability mode toAsynchronous.
B. Configure the primary endpoint as TCP://DBServer1.contoso.com:445, configure thesecondary endpoint as TCP://DBServer2.contoso.com:445, and set the availability mode toSynchronous.
C. Configure the primary endpoint as TCP://DBServer1.contoso.com:5022, configure thesecondary endpoint as TCP://DBServer2.contoso.com:5022, and set the availability modeto Asynchronous.
D. Configure the primary endpoint as TCP://DBServer1.contoso.com:5022, configure thesecondary endpoint as TCP://DBServer2.contoso.com:5022, and set the availability modeto Synchronous.

Question # 14

Note: This question is part of a series of questions that present the same scenario.Each question in the series contains a unique solution that might meet the statedgoals. Some question sets might have more than one correct solution, while othersmight not have a correct solution.After you answer a question in this section, you will NOT be able to return to it. As aresult, these questions will not appear in the review screen.You have SQL Server 2019 on an Azure virtual machine.You are troubleshooting performance issues for a query in a SQL Server instance.To gather more information, you query sys.dm_exec_requests and discover that the waittype is PAGELATCH_UP and the wait_resource is 2:3:905856.You need to improve system performance.Solution: You create additional tempdb files.Does this meet the goal?

A. Yes
B. No

Question # 15

Note: This question is part of a series of questions that present the same scenario.Each question in the series contains a unique solution that might meet the statedgoals. Some question sets might have more than one correct solution, while othersmight not have a correct solution.After you answer a question in this section, you will NOT be able to return to it. As aresult, these questions will not appear in the review screen.You have SQL Server 2019 on an Azure virtual machine.You are troubleshooting performance issues for a query in a SQL Server instance.To gather more information, you query sys.dm_exec_requests and discover that the waittype is PAGELATCH_UP and the wait_resource is 2:3:905856.You need to improve system performance.Solution: You reduce the use of table variables and temporary tables.Does this meet the goal?

A. Yes
B. No

Question # 16

You have SQL Server on an Azure virtual machine.You need to add a 4-TB volume that meets the following requirements:Maximizes IOPsUses premium solid state drives (SSDs)What should you do?

A. Attach a stripe set that contains four 1-TB SSDs.
B. Attach a RAID-5 array that contains five 1-TB SSDs.
C. Attach a single 4-TB SSD.

Question # 17

You have SQL Server on an Azure virtual machine.You need to add a 4-TB volume that meets the following requirements:Maximizes IOPsUses premium solid state drives (SSDs)What should you do?

A. Attach a stripe set that contains four 1-TB SSDs.
B. Attach a RAID-5 array that contains five 1-TB SSDs.
C. Attach a single 4-TB SSD.

Question # 18

You have an Azure SQL managed instance that hosts multiple databases.You need to configure alerts for each database based on the diagnostics telemetry of thedatabase.What should you use?

A. Azure SQL Analytics alerts based on metrics
B. SQL Health Check alerts based on diagnostics logs
C. SQL Health Check alerts based on metrics
D. Azure SQL Analytics alerts based on diagnostics logs

Question # 19

You have an Azure SQL managed instance.You need to gather the last execution of a query plan and its runtime statistics. The solutionmust minimize the impact on currently running queries.What should you do?

A. Generate an estimated execution plan.
B. Generate an actual execution plan.
C. Run sys.dm_exec_query_plan_scacs.
D. Generate Live Query Statistics.

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