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Question 1:

You are designing a monitoring application for a new SQL Server 2016 instance.

You need to recommend a solution to generate a report that displays the 10 most frequent wait types that occur for the instance.

What should you include in the recommendation?

More than one answer choice may achieve the goal. Select the BEST answer.

A. The SQL Server error log

B. The sys.dm_os_wait_stats dynamic management view

C. The DBCC SQLPERF(WAITSTATS) command

D. SQL Server Profiler

Correct Answer: B

sys.dm_os_wait_stats

Returns information about all the waits encountered by threads that executed. You can use this aggregated view to diagnose performance issues with SQL Server and also with specific queries and batches.

Columns include:

waiting_tasks_count

Number of waits on this wait type. This counter is incremented at the start of each wait.

Reference:

sys.dm_db_wait_stats (Windows Azure SQL Database)

Question 2:

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 need to configure a Microsoft SQL Server instance to ensure that a user named Mail1 can send mail by using Database Mail.

Solution: You add the DatabaseMailUserRole to Mail1 in the msdb database.

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: A

Database Mail is guarded by the database role DatabaseMailUserRole in the msdb database in order to prevent anyone from sending arbitrary emails. Database users or roles must be created in the msdb database and must also be a

member of DatabaseMailUserRole in order to send emails with the exception of sysadmin who has all privileges.

Note: Database Mail was first introduced as a new feature in SQL Server 2005 and replaces the SQL Mail feature found in previous versions.

References:http://www.idevelopment.info/data/SQLServer/DBA_tips/Database_Administrati on/DBA_20.shtml

Question 3:

You are designing a SQL Server database for an order fulfillment system. You create a table named Sales.Orders by using the following script:

Each order is tracked by using one of the following statuses:

Fulfilled

Shipped

Ordered

Received

You need to design the database to ensure that you can retrieve the status of an order on a given date. The solution must ensure that new statuses can be added in the future.

What should you do?

More than one answer choice may achieve the goal. Select the BEST answer.

A. Implement change data capture on the Sales.Orders table.

B. To the Sales.Orders table, add a column named Status that will store the order status. Update the Status column as the order status changes.

C. Create a new table named Sales.OrderStatus that contains three columns named OrderID, StatusDate, and Status. Insert new rows into the table as the order status changes.

D. To the Sales.Orders table, add three columns named FulfilledDate, ShippedDate, and ReceivedDate. Update the value of each column from null to the appropriate date as the order status changes.

Correct Answer: B

Question 4:

You manage a SQL Server 2016 instance that contains a database named DB1. Users report that some queries to DB1 take longer than expected. Although most queries run in less than one second, some queries take up to 20 seconds to

run.

You need to view all of the performance statistics for each database file.

Which method should you use?

A. Query the sys.dm_os_tasks dynamic management view.

B. Query the sys.dm_os_performance_counters dynamic management view.

C. Query the sys.dm_io_virtual_file_stats dynamic management function.

D. Examine the Data File I/O pane in Activity Monitor.

Correct Answer: C

sys.dm_io_virtual_file_stats

Returns I/O statistics for data and log files.

Reference: sys.dm_io_virtual_file_stats (Transact-SQL)

Question 5:

You have a server named Server1 that has 16 processors.

You plan to deploy multiple instances of SQL Server 2016 to Server1. You need to recommend a method to allocate processors to each instance.

What should you include in the recommendation?

More than one answer choice may achieve the goal. Select the BEST answer.

A. Processor affinity

B. Windows System Resource Manager (WSRM)

C. Max Degree of Parallelism

D. Resource Governor

Correct Answer: A

CPU affinity management through Windows System Resource Manager is not recommended for SQL Server multi-instance management. Instead, use the processor affinity settings in SQL Server. Reference: Server Properties (Processors Page)

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Question 6:

You have a database named DB1.

You plan to create a stored procedure that will insert rows into three different tables. Each insert must use the same identifying value for each table, but the value must increase from one invocation of the stored procedure to the next.

Occasionally, the identifying value must be reset to its initial value.

You need to design a mechanism to hold the identifying values for the stored procedure to use.

What should you do?

More than one answer choice may achieve the goal. Select the BEST answer.

A. Create a sequence object that holds the next value in the sequence. Retrieve the next value by using the stored procedure. Reset the value by using an ALTER SEQUENCE statement as needed.

B. Create a sequence object that holds the next value in the sequence. Retrieve the next value by using the stored procedure. Increment the sequence object to the next value by using an ALTER SEQUENCE statement. Reset the value as needed by using a different ALTER SEQUENCE statement.

C. Create a fourth table that holds the next value in the sequence. At the end each transaction, update the value by using the stored procedure. Reset the value as needed by using an UPDATE statement.

D. Create an identity column in each of the three tables. Use the same seed and the same increment for each table. Insert new rows into the tables by using the stored procedure. Use the DBCC CHECKIDENT command to reset the columns as needed.

Correct Answer: A

*

an application can obtain the next sequence number without inserting the row by calling the NEXT VALUE FOR function.

*

ALTER SEQUENCE

Includes argument:

RESTART [ WITH ]

The next value that will be returned by the sequence object. If provided, the RESTART WITH value must be an integer that is less than or equal to the maximum and greater than or equal to the minimum value of the sequence object. If the

WITH value is omitted, the sequence numbering restarts based on the original CREATE SEQUENCE options.

*

CREATE SEQUENCE

Creates a sequence object and specifies its properties. A sequence is a user-defined schema bound object that generates a sequence of numeric values according to the specification with which the sequence was created. The sequence of

numeric values is generated in an ascending or descending order at a defined interval and can be configured to restart (cycle) when exhausted.

Sequence Numbers

Question 7:

You manage a Microsoft SQL Server environment. You plan to encrypt data when you create backups.

You need to configure the encryption options for backups.

What should you configure?

A. a certificate

B. an MD5 hash

C. a DES key

D. an AES 256-bit key

Correct Answer: D

To encrypt during backup, you must specify an encryption algorithm, and an encryptor to secure the encryption key. The following are the supported encryption options: Encryption Algorithm: The supported encryption algorithms are: AES 128, AES 192, AES 256, and Triple DES Encryptor: A certificate or asymmetric Key

References:https://docs.microsoft.com/en-us/sql/relational-databases/backup- restore/backup-encryption

Question 8:

You have two databases named DB1 and DB2 that are located on the same server.

You plan to create a stored procedure named SProc1 in DB1.

SProc1 will query a table named Table2 in DB2.

You need to recommend a solution to ensure that SProc1 can access Table2 without granting users direct access to Table2.

What should you include in the recommendation?

More than one answer choice may achieve the goal. Select the BEST answer.

A. Contained databases

B. Application roles

C. Cross-database ownership chaining

D. Digital certificates

Correct Answer: B

An application role is a database principal that enables an application to run with its own, user-like permissions. You can use application roles to enable access to specific data to only those users who connect through a particular application. Unlike database roles, application roles contain no members and are inactive by default.

Reference: Application Roles

Question 9:

You are designing a Windows Azure SQL Database for an order fulfillment system. You create a table named Sales.Orders with the following script.

Each order is tracked by using one of the following statuses:

Fulfilled

Shipped

Ordered

Received

You need to design the database to ensure that that you can retrieve the following information:

The current status of an order

The previous status of an order.

The date when the status changed.

The solution must minimize storage.

More than one answer choice may achieve the goal. Select the BEST answer.

A. To the Sales.Orders table, add three columns named Status, PreviousStatus and ChangeDate. Update rows as the order status changes.

B. Create a new table named Sales.OrderStatus that contains three columns named OrderID, StatusDate, and Status. Insert new rows into the table as the order status changes.

C. Implement change data capture on the Sales.Orders table.

D. To the Sales.Orders table, add three columns named FulfilledDate, ShippedDate, and ReceivedDate. Update the value of each column from null to the appropriate date as the order status changes.

Correct Answer: B

Question 10:

Note: This question is part of a series of questions that use the same or similar answer choices. An answer choice may be correct for more than one question in the series. Each question is independent of the other questions in this series.

Information and details provided in a question apply only to that question.

You are the database administrator for a company that hosts Microsoft SQL Server. You manage both on-premises and Microsoft Azure SQL Database environments.

Clients connect to databases by using line-of-business applications. Developers connect by using SQL Server Management Studio (SSMS).

You need to provide permissions to a service account that will be used to provision a new database for a client.

Which permission should you grant?

A. DDLAdmin

B. db_datawriter

C. dbcreator

D. dbo

E. View Database State

F. View Server State

G. View Definition

H. sysadmin

Correct Answer: C

Members of the dbcreator fixed server role can create, alter, drop, and restore any database. References:https://docs.microsoft.com/en-us/sql/relational- databases/security/authentication-access/server-level-roles

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