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Microsoft Administering Microsoft SQL Server 2012/2014 Databasesの試験情報

Microsoft 070-462 試験概要:

070-462試験の出題範囲

Microsoft 070-462 試験シラバストピック:

Microsoft Administering Microsoft SQL Server 2012/2014 Databasesに関する受験前Q&A

Microsoft Administering Microsoft SQL Server 2012/2014 Databases 認定 070-462 試験問題：

問題 #1

You use a Microsoft SQL Server 2012 database that contains two tables named SalesOrderHeader and SalesOrderDetail. The indexes on the tables are as shown in the exhibit. (Click the Exhibit button.)

You write the following Transact-SQL query:

You discover that the performance of the query is slow. Analysis of the query plan shows table scans where the estimated rows do not match the actual rows for SalesOrderHeader by using an unexpected index on SalesOrderDetail.
You need to improve the performance of the query.
What should you do?

A. Use a FORCESCAN hint in the query.
B. Use a FORCESEEK hint in the query.
C. Add a clustered index on SalesOrderId in SalesOrderHeader.
D. Update statistics on SalesOrderId on both tables.

問題 #2

You have a server named SQL1 that has SQL Server 2014 installed. SQL1 has 32 processor cores and 64 GB of RAM.
SQL1 hosts a database used for a public-facing marketing website. SQL1 performs Online Transaction Processing (OLTP) operations only.
Several of the queries that run on SQL1 use the 32 processor cores and complete in 30 ms.
You need to reduce the number of queries that use multiple cores. The solution must also reduce the number of processor cores used by the queries that require multiple processor cores.
Which two database settings should you modify? To answer, select the appropriate settings in the answer area.

問題 #3

This question is part of a series of questions that use the same set of answers choices. An answer choice may be correct for more than one question in the series.
You administer a Microsoft SQL Server database server that hosts a transactional database and a reporting database. The transactional database is updated through a web application and is operational throughout the day. The reporting database is only updated from the transactional database.
The recovery model and backup schedule are configured as shown in the following table:

One of the hard disk drives that stores the transactional database fails at 23:32 hours. Attempts to create a tail log backup are unsuccessful.
You need to ensure that the transactional database is restored. You also need to ensure that data loss is minimal.
What should you do?

A. Restore the latest full backup, and restore the latest differential backup. Then, restore the latest log backup.
B. Restore the latest full backup. Then, restore the latest differential backup.
C. Perform a partial restore.
D. Restore the latest full backup. Then, restore each differential backup taken before the time of failure from the most recent full backup.
E. Perform a point-in-time restore.
F. Restore the latest full backup.
G. Restore the latest full backup, and restore the latest differential backup. Then, restore each log backup taken before the time of failure from the most recent differential backup.
H. Perform a page restore.

問題 #4

You administer a SQL Server 2012 database instance.
You need to configure the SQL Server Database Engine service on a failover cluster.
Which user account should you use?

A. The BUILTIN\NetworkService account
B. A domain user
C. A local administrative user
D. The BUILTIN\LocalService account

問題 #5

You administer a Microsoft SQL Server 2012.
A process that normally runs in less than 10 seconds has been running for more than an hour.
You examine the application log and discover that the process is using session ID 60.
You need to find out whether the process is being blocked.
Which Transact-SQL statement should you use?

A. SELECT * FROM sys.dm_exec_sessions WHERE sessionjd = 60
B. EXEC sp_helpdb 60
C. DBCC INPUTBUFFER (60)
D. EXEC sp_who 60

解説：