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Question 1:

You have a database named DB1 that is configured to use the full recovery model. You have a full daily backup job that runs at 02:00. The job backs up data from DB1 to the file

B:\DB1.bak.

You need to restore the DB1 database to the point in time of May 25, 2016 at 02:23 and ensure that the database is functional and starts to accept connections.

Which Transact-SQL statement should you run?

A. Option A

B. Option B

C. Option C

D. Option D

Correct Answer: B

Question 2:

You have a customer who has several SQL Server 2012 database servers.

You are designing a data warehouse for the customer. The data warehouse will use columnstore indexes.

The customer identifies that the following must be supported for the column store indexes.

Data manipulation language (DML) statements Nonclustered columnstore indexes Clustered columnstore indexes Partitioning You need to identify which technology requires the customer to implement an SQL Server 2016 database.

What should you identify?

A. clustered columnstore indexes

B. nonclustered columnstore indexes

C. data manipulation language (DML) statements

D. partitioning

Correct Answer: A

Explanation: SQL Server 2016 has the features of SQL Server 2012 plus updateable clustered columnstore indexes. This feature is required here as DML statements must be supported in the warehouse. Reference: Columnstore Indexes Described https://msdn.microsoft.com/en-us/library/gg492088(v=sql.120).aspx

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 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 a server that runs Microsoft SQL Server 2016 Web edition. The server has a default instance that hosts a database named DB1.

You need to ensure that you can perform auditing at the database level for DB1.

Solution: You migrate DB1 to a named instance on a server than runs Microsoft SQL Server 2016 Standard edition.

Does the solution meet the goal?

A. Yes

B. No

Correct Answer: B

All editions of SQL Server support server level audits. All editions support database level audits beginning with SQL Server 2016 SP1. Prior to that, database level auditing was limited to Enterprise, Developer, and Evaluation editions. References: https://docs.microsoft.com/en-us/sql/relational-databases/security/auditing/sql- server-audit-database-engine

Question 4:

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

Question 5:

You are the administrator for a SQL Server 2016 instance that stores the data for an online transaction processing sales system.

The company takes full backups every week; differential backups on the days with no full backups; and hourly transaction backups. These backups are stored on a backup server in the company\’s data center.

Every week, the company places the full backup on a tape and sends it to a third-party backup storage system.

The company is worried that a disaster might occur that could destroy their computer center and cause them to lose orders.

You need to determine the best method for providing the smallest amount of data loss and downtime without leasing or purchasing additional physical locations.

What should you do? More than one answer choice may achieve the goal. Select the BEST answer.

A. Set up SQL Server Always On with a SQL Azure database as a replica.

B. Set up SQL Server Always On by using a SQL Server on a Windows Azure Virtual Machine.

C. Put the differential backup on tape and send it to the third-party backup storage system.

D. Use the Microsoft SQL Server Backup to Microsoft Windows Azure Tool to direct all backups to a different geographical location.

Correct Answer: D

SQL Server 2012 was the first version to provide the ability to back up databases to the Cloud, and SQL Server 2016 improves on the process.

Microsoft SQL Server Backup to Windows Azure Tool enables backup to Windows Azure Blob Storage and encrypts and compresses SQL Server backups stored locally or in the cloud.

Reference:

Smart, Secure, Cost-Effective: SQL Server Back Up to Windows Azure – SQL Server Team Blog – Site Home – TechNet Blogs

Latest 70-764 Dumps 70-764 VCE Dumps 70-764 Exam Questions

Question 6:

You have five servers that run Microsoft Windows 2012 R2. Each server hosts a Microsoft SQL Server instance. The topology for the environment is shown in the following diagram.

You have an Always On Availability group named AG1. The details for AG1 are shown in the following table.

Instance1 experiences heavy read-write traffic. The instance hosts a database named OperationsMain that is four terabytes (TB) in size. The database has multiple data files and filegroups. One of the filegroups is read_only and is half of the

total database size.

Instance4 and Instance5 are not part of AG1. Instance4 is engaged in heavy read-write I/O.

Instance5 hosts a database named StagedExternal. A nightly BULK INSERT process loads data into an empty table that has a rowstore clustered index and two nonclustered rowstore indexes.

You must minimize the growth of the StagedExternal database log file during the BULK INSERT operations and perform point-in-time recovery after the BULK INSERT transaction. Changes made must not interrupt the log backup chain.

You plan to add a new instance named Instance6 to a datacenter that is geographically distant from Site1 and Site2. You must minimize latency between the nodes in AG1.

All databases use the full recovery model. All backups are written to the network location \\SQLBackup\. A separate process copies backups to an offsite location. You should minimize both the time required to restore the databases and the space required to store backups. The recovery point objective (RPO) for each instance is shown in the following table.

Full backups of OperationsMain take longer than six hours to complete. All SQL Server backups use the keyword COMPRESSION. You plan to deploy the following solutions to the environment. The solutions will access a database named DB1 that is part of AG1. The wait statistics monitoring requirements for the instances are described in the following table.

You need to create a backup plan for Instance4. Which backup plan should you create?

A. Weekly full backups, nightly differential. No transaction log backups are necessary.

B. Weekly full backups, nightly differential backups, transaction log backups every 5 minutes.

C. Weekly full backups, nightly differential backups, transaction log backups every 12 hours.

D. Weekly full backups, nightly differential backups, nightly transaction log backups.

Correct Answer: B

From scenario: Instance4 and Instance5 are not part of AG1. Instance4 is engaged in heavy read-write I/O. The recovery point objective of Instancse4 is 60 minutes. RecoveryPoint Objectives are commonly described as the amount of data that was lost during the outage and recovery period.

References:http://sqlmag.com/blog/sql-server-recovery-time-objectives-and-recovery-point- objectives

Question 7:

You are troubleshooting an application that runs a query. The application frequently causes deadlocks.

You need to identify which transaction causes the deadlock.

What should you do?

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

A. Query the sys.dm_exec_sessions dynamic management view.

B. Query the sys.dm_exec_requests dynamic management view.

C. Create a trace in SQL Server Profiler that contains the Deadlock graph event

D. Create an extended events session to capture deadlock information.

Correct Answer: D

Troubleshooting deadlocks

You have been receiving reports from users indicating that certain applications are returning deadlock errors. To maximize the effectiveness of troubleshooting these problems, you decide to focus on the deadlocks that are hit most frequently.

You create an Extended Events session that:

/ Configures deadlock event tracking for the session. / Specifies a target that aggregates based on an identifier for the deadlock.

You run the Extended Events session, and after additional deadlocks are reported you are able to obtain aggregated deadlock information, along with the complete XML deadlock graph for each source. Using this information you are able to

pin point the most common deadlocks and start working on a solution.

Create an Extended Events Session

View Event Session Data

Question 8:

You have a database named DB1 that stores more than 700 gigabyte (GB) of data and serves millions of requests per hour.

Queries on DB1 are taking longer than normal to complete.

You run the following Transact-SQL statement:

SELECT * FROM sys.database_query_store_options

You determine that the Query Store is in Read-Only mode.

You need to maximize the time that the Query Store is in Read-Write mode.

Which Transact-SQL statement should you run?

A. ALTER DATABASE DB1SET QUERY_STORE (QUERY_CAPTURE_MODE = ALL)

B. ALTER DATABASE DB1SET QUERY_STORE (MAX_STORAGE_SIZE_MB = 50)

C. ALTER DATABASE DB1SET QUERY_STORE (CLEANUP_POLICY = (STALE_QUERY_THRESHOLD_DAYS = 14));

D. ALTER DATABASE DB1SET QUERY_STORE (QUERY_CAPTURE_MODE = NONE)

Correct Answer: C

Stale Query Threshold (Days): Time-based cleanup policy that controls the retention period of persisted runtime statistics and inactive queries. By default, Query Store is configured to keep the data for 30 days which may be unnecessarily

long for your scenario.

Avoid keeping historical data that you do not plan to use. This will reduce changes to read- only status. The size of Query Store data as well as the time to detect and mitigate the issue will be more predictable. Use Management Studio or the

following script to configure time-based cleanup policy:

ALTER DATABASE [QueryStoreDB]

SET QUERY_STORE (CLEANUP_POLICY = (STALE_QUERY_THRESHOLD_DAYS =

14));

References:https://docs.microsoft.com/en-us/sql/relational-databases/performance/best- practice-with-the-query-store

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 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

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