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Question 1:

Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution. Determine whether the solution meets stated goals.

You manage a Microsoft SQL Server environment with several databases.

You need to ensure that queries use statistical data and do not initialize values for local variables.

Solution: You enable the PARAMETER_SNIFFING option for the databases.

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: A

PARAMETER_SNIFFING = { ON | OFF | PRIMARY} enables or disables parameter sniffing. This is equivalent to Trace Flag 4136.

SQL server uses a process called parameter sniffing when executing queries or stored procedures that use parameters. During compilation, the value passed into the parameter is evaluated and used to create an execution plan. That value is

also stored with the execution plan in the plan cache. Future executions of the plan will re-use the plan that was compiled with that reference value.

References:https://msdn.microsoft.com/en-us/library/mt629158.aspx

Question 2:

You plan to deploy an on-premises SQL Server 2014 database to Azure SQL Database. You have the following requirements:

Maximum database size of 500 GB A point-in-time-restore of 35 days Maximum database transaction units (DTUs) of 500

You need to choose the correct service tier and performance level. Which service tier should you choose?

A. Standard S3

B. Premium P4

C. Standard SO

D. Basic

Correct Answer: B

You should choose Premium P4. The Premium tier is the highest Azure SQL Database tier offered. This tier is used for databases and application that require the highest level of performance and recovery. The P4 level supports a maximum of 500 DTUs, a maximum database size of 500 GB, and a point-in-time-restore to anypoint in the last 35 days.

Question 3:

You administer a SQL Server 2014 server that contains a database named SalesDB. SalesDb contains a schema named Customers that has a table named Regions. A user named UserA is a member of a role named Sales.

UserA is granted the Select permission on the Regions table. The Sales role is granted the Select permission on the Customers schema.

You need to ensure that the Sales role, including UserA, is disallowed to select from any of the tables in the Customers schema.

Which Transact-SQL statement should you use?

A. REVOKE SELECT ON Schema::Customers FROM UserA

B. DENY SELECT ON Object::Regions FROM UserA

C. EXEC sp_addrolemember \’Sales\’, \’UserA\’

D. DENY SELECT ON Object::Regions FROM Sales

E. REVOKE SELECT ON Object::Regions FROM UserA

F. DENY SELECT ON Schema::Customers FROM Sales

G. DENY SELECT ON Schema::Customers FROM UserA

H. EXEC sp_droprolemember \’Sales\’, \’UserA\’

I. REVOKE SELECT ON Object::Regions FROM Sales

J. REVOKE SELECT ON Schema::Customers FROM Sales

Correct Answer: F

Use SQL Data Warehouse or Parallel Data WarehouseGRANT and DENY statements to grant or deny a permission (such as UPDATE) on a securable (such as a database, table, view, etc.) to a security principal (a login, a database user, or a database role).

References: https://docs.microsoft.com/en-us/sql/t-sql/statements/permissions-grant-deny- revoke-azure-sql-data-warehouse-parallel-data-warehouse

Question 4:

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 stated goals. Some question sets might have more than one correct solution, while

others might not have a correct solution.

After you answer a question in this sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.

You are migrating an on-premises Microsoft SQL Server instance to SQL Server on a Microsoft Azure virtual machine. The instance has 30 databased that consume a total of 2 TB of disk space.

The instance sustains more than 30,000 transactions per second.

You need to provision storage for the virtual machine. The storage must be able to support the same load as the on-premises deployment.

Solution: You create one storage account that has one container. You create multiple VHDs in the container.

Does this meet the goal?

A. Yes

B. No

Correct Answer: B

Each Storage Account handles up to 20.000 IOPS, and 500TB of data.

References: https://www.tech-coffee.net/understand-microsoft-azure-storage-for-virtual- machines/

Question 5:

You administer a Microsoft SQL Server 2014 database instance. You create a new user named UserA.

You need to ensure that UserA is able to create SQL Server Agent jobs and execute SQL Server agent jobs owned by UserA

To which role should you add UserA?

A. DatabaseMailUserRole

B. ServerGroupAdministratorGroup

C. SQLAgentUserRole

D. Securityadmin

Correct Answer: C

SQLAgentUserRole is the least privileged of the SQL Server Agent fixed database roles. It has permissions on only operators, local jobs, and job schedules. Members of SQLAgentUserRole have permissions on only local jobs and job

schedules that they own.

Members can create local jobs.

References:https://docs.microsoft.com/en-us/sql/ssms/agent/sql-server-agent-fixed- database-roles

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Question 6:

You are a database developer for an application hosted on a Microsoft SQL Server 2014 server. The database contains two tables that have the following definitions:

Global customers place orders from several countries. You need to view the country from which each customer has placed the most orders. Which Transact-SQL query do you use?

A. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer cINNER JOIN(SELECT CustomerID, ShippingCountry,RANK() OVER (PARTITION BY CustomerIDORDER BY COUNT(OrderAmount) DESC) AS RnkFROM OrdersGROUP BY CustomerID, ShippingCountry) AS oON c.CustomerID = o.CustomerIDWHERE o.Rnk = 1

B. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM(SELECT

C. CustomerID, c.CustomerName, o.ShippingCountry, RANK()OVER (PARTITION BY CustomerIDORDER BY COUNT(o.OrderAmount) ASC) AS RnkFROM Customer cINNER JOIN Orders oON c.CustomerID = o.CustomerIDGROUP BY c.CustomerID,

D. CustomerName, o.ShippingCountry) cs WHERE Rnk = 1

E. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer cINNER JOIN(SELECT CustomerID, ShippingCountry,RANK() OVER (PARTITION BY CustomerIDORDER BY OrderAmount DESC) AS RnkFROM OrdersGROUP BY CustomerID, ShippingCountry) AS oON c.CustomerID = o.CustomerIDWHERE o.Rnk = 1

F. SELECT c.CustomerID, c.CustomerName, o.ShippingCountry FROM Customer cINNER JOIN(SELECT CustomerID, ShippingCountry,COUNT(OrderAmount) DESC) AS OrderAmountFROM OrdersGROUP BY CustomerID, ShippingCountry) AS oON

G. CustomerID = o.CustomerIDORDER BY OrderAmount DESC

Correct Answer: A

Use descending (DESC) ordering.

To order by the number of orders we use ORDER BY COUNT(OrderAmount). Finally a WHERE close is needed: WHERE o.Rnk = 1

Question 7:

You have a Microsoft Azure SQL database in the US West region.

You need to create a replica in the US East region.

Which cmdlet should you run first?

A. New-AzureRmAvailabilitySet

B. New-AzureRmLoadBalancer

C. New-AzureRmSqlDatabaseSecondary

D. New-AzureRmSqlElasticPool

E. New-AzureRmVM

F. New-AzureRmSqlServer

G. New-AzureRmSqlDatabaseCopy

H. New-AzureRmSqlServerCommunicationLink

Correct Answer: G

Explanation:

The New-AzureRmSqlDatabaseCopy command creates a copy of a SQL Database that uses the snapshot at the current time.

References: https://docs.microsoft.com/en-us/powershell/module/azurerm.sql/new- azurermsqldatabasecopy?view=azurermps-5.1.1

Question 8:

You need to resolve the identified issues.

Use the drop-down menus to select the answer choice that answers each question based on the information presented in the graphic.

Hot Area:

Correct Answer:

From exhibit we see: Cost Threshold of Parallelism: 5 Optimize for Ad Hoc Workloads: false Max Degree of Parallelism: 0 (This is the default setting, which enables the server to determine the maximum degree of parallelism. It is fine.) Locks: 0 Query Wait: -1 Box 1: Optimize for Ad Hoc Workload Change the Optimize for Ad Hoc Workload setting from false to 1/True. The optimize for ad hoc workloads option is used to improve the efficiency of the plan cache for workloads that contain many single use ad hoc batches. When this option is set to 1, the Database Engine stores a small compiled plan stub in the plan cache when a batch is compiled for the first time, instead of the full compiled plan. This helps to relieve memory pressure by not allowing the plan cache to become filled with compiled plans that are not reused.

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