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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 have a server named Server1 that has 2 processors.

You plan to deploy multiple instances of SQL Server 2016 to Server1. Each instance will have multiple databases.

You need to recommend a method to allocate processor time to each database.

What should you include in the recommendation?

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

A. Resource Governor

B. Max Degree of Parallelism

C. Windows System Resource Manager (WSRM)

D. Processor affinity

Correct Answer: A

SQL Server Resource Governor is a feature than you can use to manage SQL Server workload and system resource consumption. Resource Governor enables you to specify limits on the amount of CPU, physical IO, and memory that

incoming application requests can use.

Reference: Resource Governor

Incorrect:

D: PROCESS AFFINITY

Enables hardware threads to be associated with CPUs.

Question 4:

You have a database that stores information for a shipping company. You create a table named Customers by running the following Transact-SQL statement. (Line numbers are included for reference only.)

You need to ensure that salespeople can view data only for the customers that are assigned to them. Which Transact-SQL segment should you insert at line 07?

A. RETURNS varchar(20)WITH Schemabinding

B. RETURNS dbo.CustomersORDER BY @salesPerson

C. RETURNS tableORDER BY @salesPerson

D. RETURNS tableWITH Schemabinding

Correct Answer: D

The return value can either be a scalar (single) value or a table. SELECT 1 just selects a 1 for every row, of course. What it\’s used for in this case is testing whether any rows exist that match the criteria: if a row exists that matches the WHERE clause, then it returns 1, otherwise it returns nothing. Specify the WITH SCHEMABINDING clause when you are creating the function. This ensures that the objects referenced in the function definition cannot be modified unless the function is also modified.

References: https://docs.microsoft.com/en-us/sql/t-sql/statements/create-function-transact- sql

Question 5:

Note: This question is part of a series of questions that use the same scenario. For your convenience, the scenario is repeated in each question. Each question presents a different goal and answer choices, but the text of the scenario is exactly the same in each question in this series.

You are a database administrator for a company that has an on-premises Microsoft SQL Server environment and Microsoft Azure SQL Database instances. The environment hosts several customer databases, and each customer uses a dedicated instance. The environments that you manage are shown in the following table.

You need to monitor WingDB and gather information for troubleshooting issues. What should you use?

A. sp_updatestats

B. sp_lock

C. sys.dm_os_waiting_tasks

D. sys.dm_tran_active_snapshot_database_transactions

Correct Answer: B

The sp_lock system stored procedure is packaged with SQL Server and will give you insight into the locks that are happening on your system. This procedure returns much of its information from the syslock info in the master database, which is a system table that contains information on all granted, converting, and waiting lock requests.

Note: sp_lock will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use this feature. To obtain information about locks in the SQL Server

Database Engine, use the sys.dm_tran_locks dynamic management view.

sys.dm_tran_locks returns information about currently active lock manager resources in SQL Server 2008and later. Each row represents a currently active request to the lock manager for a lock that has been granted or is waiting to be

granted.

References:https://docs.microsoft.com/en-us/sql/relational-databases/system-stored- procedures/sp-lock-transact-sql

70-764 PDF Dumps70-764 VCE Dumps70-764 Exam Questions

Question 6:

You use SQL Server 2016 to maintain the data used by applications at your company.

You want to execute two statements.

You need to guarantee that either both statements succeed, or both statements fail together as a batch.

Which code should you use?

A. Option A

B. Option B

C. Option C

D. Option D

E. Option E

Correct Answer: D

Structure should be: BEGIN TRY BEGIN TRANSACTION COMMIT TRANSACTION END TRY BEGIN CATCH ROLLBACK TRANSACTION END CATCH.

Reference: TRY…CATCH (Transact-SQL)

Question 7:

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.

A company has an on-premises Microsoft SQL Server environment and Microsoft Azure SQL Database instances. The environment hosts several customer databases.

One customer reports that their database is not responding as quickly as the service level agreements dictate. You observe that the database is fragmented.

You need to optimize query performance.

Solution: You rebuild all indexes.

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: A

You can remedy index fragmentation by either reorganizing an index or by rebuilding an index. References:https://msdn.microsoft.com/en-us/library/ms189858(v=sql.105).aspx

Question 8:

You have a server that has SQL Server 2016 installed. The server contains 100 user databases.

You need to recommend a backup solution for the user databases.

The solution must meet the following requirements:

Perform a transaction log backup every hour.

Perform a full backup of each database every week. Perform a differential backup of each database every day. Ensure that new user databases are added automatically to the backup solution.

What should you recommend?

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

A. Policy-Based Management

B. A Data Definition Language (DDL) trigger

C. SQL Server Agent jobs

D. A maintenance plan

Correct Answer: D

Maintenance plans create a workflow of the tasks required to make sure that your database is optimized, regularly backed up, and free of inconsistencies.

Maintenance plans can be created to perform the following task (among others):

Back up the database and transaction log files. Database and log backups can be retained for a specified period. This lets you create a history of backups to be used if you have to restore the database to a time earlier than the last database

backup. You can also perform differential backups.

Reference: Maintenance Plans

Question 9:

You have an SQL Server 2016 server named SQL1. You are designing a performance monitoring solution.

You need to monitor the following events on SQL1:

A deadlock graph Missing column statistics CPU performance statistics A batch of completed Transact-SQL statements

Which two tools should you use? Each correct answer presents a complete solution.

A. dynamic management views

B. Database Engine Tuning Advisor

C. SQL Server Profiler

D. Activity Monitor

E. Data Profile Viewer

Correct Answer: BC

Explanation: B: Database Engine Tuning Advisor examines how queries are processed in the databases you specify.

When you run a Profiler Trace and feed it to the Database Engine Tuning Advisor, it also looks for missing column statistics, and it can automatically create them for you.

C: Use SQL Server Profiler to identify the cause of a deadlock. A deadlock occurs when there is a cyclic dependency between two or more threads, or processes, for some set of resources within SQL Server. Using SQL Server Profiler, you can create a trace that records, replays, and displays deadlock events for analysis. Reference: Analyze Deadlocks with SQL Server Profiler

https://msdn.microsoft.com/en-us/library/ms188246.aspx Reference: Mastering SQL Server Profiler, page 245

Question 10:

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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