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Microsoft Exam 70-764

Administering a SQL Database Infrastructure

Version: 7.0

[ Total Questions: 55 ]

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You manage a Microsoft SQL Server environment. A server fails and writes the followingevent to the application event log: MSG_AUDIT_FORCED_SHUTDOWN You configure the SQL Server startup parameters as shown in the following graphic:

Use the drop-down menus to select the answer choice that answers each question.

Question No : 1 HOTSPOT

2

NOTE: Each correct selection is worth one point.

Answer:

Explanation:

3

Box 1: single-user

The startup option -m starts an instance of SQL Server in single-user mode.

Box 2: sysadmin

Starting SQL Server in single-user mode enables anymember of the computer's local

Administrators group to connect to the instance of SQL Server as a member of the

sysadmin fixed server role.

References:https://docs.microsoft.com/en-us/sql/database-engine/configure-

windows/database-engine-service-startup-options

You have a database named DB1 that stores more than 700 gigabyte (GB) of data andserves 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)

Question No : 2

4

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)

Answer: C

Explanation:

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

Note: This question is part of a series of questions that present the same scenario. Eachquestion in the series contains a unique solution that might meet the stated goals. Somequestion sets might have more than one correct solution, while others might not have a

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

Question No : 3

5

A company has a server that runs Microsoft SQL Server 2016 Web edition. The server has

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

Does the solution meet the goal? A. Yes B. No

Answer: B

Explanation:

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


After you answer a question in this sections, you will NOT be able to return to it. As aresult, these questions will not appear in the review screen. A company has an on-premises Microsoft SQL Server environment and Microsoft Azure

Question No : 4

6

SQL Database instances. The environment hosts several customer databases. One customer reports that their database is not responding as quickly as the service levelagreements dictate. You observe that the database is fragmented. You need to optimize query performance. Solution: You reorganize all indexes. Does the solution meet the goal? A. Yes B. No

Answer: A

Explanation:

You can remedy index fragmentation by either reorganizing an index or by rebuilding an

References: https://msdn.microsoft.com/en-us/library/ms189858(v=sql.105).aspx


After you answer a question in this sections, you will NOT be able to return to it. As aresult, these questions will not appear in the review screen. A company has an on-premises Microsoft SQL Server environment and Microsoft Azure

Question No : 5

7

SQL Database instances. The environment hosts several customer databases. One customer reports that their database is not responding as quickly as the service levelagreements dictate. You observe that the database is fragmented. You need to optimize query performance.

Does the solution meet the goal? A. Yes B. No

Answer: A

Explanation:

You can remedy index fragmentation by either reorganizing an index or by rebuilding an

References:https://msdn.microsoft.com/en-us/library/ms189858(v=sql.105).aspx

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

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


8

You need to configure auditing for WDWDB. In the table below, identify the event type that you must audit for each activity.

9

Answer:

You deploy a Microsoft SQL Server instance to support a global sales application. Theinstance includes the following tables: TableA and TableB. TableA is a partitioned table that uses an incrementing integer number for partitioning. Thetable has millions of rows in each partition. Most changes to the data in TableA affectrecently added data. The UPDATE STATISTICS for TableA takes longer to complete than

Thousands of operations are performed against TableB each minute. You observe a largenumber of Auto Update Statistics events for TableB. You need to address the performance issues with each table. In the table below, identify the action that will resolve the issues for each table. NOTE: Make only one selection in each column.


10

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