070-457 無料問題集「Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1」
You administer a single server that contains a Microsoft SQL Server 2012 default instance on which several production databases have been deployed. You plan to install a new ticketing application that requires the deployment of a database on the server. The SQL login for this application requires sysadmin permissions. You need to ensure that the login for the ticketing application cannot access other production databases. What should you do?
正解：C
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You administer a Microsoft SQL Server 2012 instance. The instance contains a database that supports a retail sales application. The application generates hundreds of transactions per second and is online 24 hours per day and 7 days per week. You plan to define a backup strategy for the database. You need to ensure that the following requirements are met:
No more than 5 minutes worth of transactions are lost.
Data can be recovered by using the minimum amount of administrative effort.
What should you do? Choose all that apply.
No more than 5 minutes worth of transactions are lost.
Data can be recovered by using the minimum amount of administrative effort.
What should you do? Choose all that apply.
正解：A、B、C、D
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You administer a Microsoft SQL Server 2012 database. The database contains a customer table created by using the following definition:
You need to ensure that the minimum amount of disk space is used to store the data in the customer table. What should you do?
You need to ensure that the minimum amount of disk space is used to store the data in the customer table. What should you do?
正解：A
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You use a Microsoft SQL Server 2012 database that contains a table named BlogEntry that has the following columns:
Id is the Primary Key.
You need to append the "This is in a draft stage" string to the Summary column of the recent 10 entries
based on the values in EntryDateTime. Which Transact-SQL statement should you use?
Id is the Primary Key.
You need to append the "This is in a draft stage" string to the Summary column of the recent 10 entries
based on the values in EntryDateTime. Which Transact-SQL statement should you use?
正解：A
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You administer a database that includes a table named Customers that contains more than 750 rows. You create a new column named PartitionNumber of the int type in the table. You need to assign a PartitionNumber for each record in the Customers table. You also need to ensure that the PartitionNumber satisfies the following conditions:
Always starts with 1.
Starts again from 1 after it reaches 100. Which Transact-SQL statement should you use?
Always starts with 1.
Starts again from 1 after it reaches 100. Which Transact-SQL statement should you use?
正解：D
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You administer all the deployments of Microsoft SQL Server 2012 in your company. You need to ensure that an OLTP database that uses a storage area network (SAN) remains available if any of the servers fail. You also need to minimize the amount of storage used by the database. Which configuration should you use?
正解：A
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You administer a Microsoft SQL Server 2012 database. The database is backed up according to the following schedule:
Daily full backup at 23:00 hours.
Differential backups on the hour, except at 23:00 hours.
Log backups every 10 minutes from the hour, except on the hour.
The database uses the Full recovery model. A developer accidentally drops a number of tables and stored procedures from the database between 22:40 hours and 23:10 hours. You perform a database restore at
23:30 hours to recover the dropped table. You need to restore the database by using the minimum amount of administrative effort. You also need to ensure minimal data loss. Which three actions should you perform in sequence? (To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.)
Build List and Reorder:
Daily full backup at 23:00 hours.
Differential backups on the hour, except at 23:00 hours.
Log backups every 10 minutes from the hour, except on the hour.
The database uses the Full recovery model. A developer accidentally drops a number of tables and stored procedures from the database between 22:40 hours and 23:10 hours. You perform a database restore at
23:30 hours to recover the dropped table. You need to restore the database by using the minimum amount of administrative effort. You also need to ensure minimal data loss. Which three actions should you perform in sequence? (To answer, move the appropriate actions from the list of actions to the answer area and arrange them in the correct order.)
Build List and Reorder:
正解：
Explanation:
--Burgos - NO