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最新的 MCSA 070-458 免費考試真題:

1. You administer a Microsoft SQL Server 2012 instance that contains a financial database hosted on a storage area network (SAN).
The financial database has the following characteristics:
- A data file of 2 terabytes is located on a dedicated LUN (drive D).
- A transaction log of 10 GB is located on a dedicated LUN (drive E).
- Drive D has 1 terabyte of free disk space.
- Drive E has S GB of free disk space.
The database is continually modified by users during business hours from Monday through Friday between 09:00 hours and 17:00 hours. Five percent of the existing data is modified each day.
The Finance department loads large CSV files into a number of tables each business day at 11:15 hours and 15:15 hours by using the BCP or BULK INSERT commands. Each data load adds 3 GB of data to the database.
These data load operations must occur in the minimum amount of time.
A full database backup is performed every Sunday at 10:00 hours. Backup operations will be performed every two hours (11:00, 13:00, 15:00, and 17:00) during business hours.
You implement log shipping of the financial database to another SQL Server 2012 instance. You decide to failoverto this secondary database.
You need to ensure that all transactions will be replicated to the secondary database.
Which backup option should you use?

A) CONTINUE_AFTER_ERROR
B) SIMPLE
C) FULL
D) COPY_ONLY
E) NORECOVERY
F) CHECKSUM
G) Differential
H) SKIP
I) DBO_ONLY
J) Transaction log
K) NO_CHECKSUM
L) RESTART
M) STANDBY
N) BULK_LOGGED

2. Note: This question is part of a series of questions that use the same set of answer choices. An answer choice may be correct for more than one question in the series.
You administer a SQL Server 2012 server that contains a database named SalesDb. SalesDb contains a schema named Customers that has a table named Regions. A user named userA is a member of a role named Sales.
UserA is granted the Select permission on the Regions table. The Sales role is granted the Select permission on the Customers schema.
You need to ensure that the following requirements are met:
The Sales role does not have the Select permission on the Customers schema.UserA has the Select permission on the Regions table.
Which Transact-SQL statement should you use?

A) DENY SELECT ON Object::Regions FROM Sales
B) EXEC sp_droprolemember 'Sales', 'UserA'
C) DENY SELECT OH Schema:: Customers FROM Soles
D) DENY SELECT ON Object::Regions FROM UserA
E) REVOKE SELECT ON Schema:Customers FROM Soles
F) EXEC sp_oddrolemember 'Sales', 'UserA'
G) REVOKE SELECT ON Object::Regions FROM Soles
H) REVOKE SELECT ON Object::Regions FROM UserA
I) DENY SELECT ON Schema:Customers FROM UserA
J) REVOKE SELECT ON Schema::Customers FROM UserA

3. You are developing a SQL Server Integration Services (SSIS) project by using the Project Deployment Mode.
The project will be deployed to an SSIS catalog folder where Environments have already been created.
You need to deploy the project.
What should you do?

A) Store the System::SourceID variable in the custom log table.
B) Create a SQL Server Agent job to execute the SSISDB.catalog.create_execution and SSISDB.catalog.*tart_execution stored procedures.
C) Create a SQL Server Agent job to execute the SSISDB.catalog.validate_package stored procedure.
D) Use an event handler for OnError for the package.
E) View the job history for the SQL Server Agent job.
F) Deploy the project by using dtutil.exe with the /COPY SQL option.
G) Create a SQL Server Agent job to execute the SSISDB.catalog.validate_project stored procedure.
H) Use an event handler for OnError for each data flow task.
I) Enable the SSIS log provider for SQL Server for OnError in the package control flow.
J) Store the System::ExecutionInstanceGUID variable in the custom log table.
K) Store the System::ServerExecutionID variable in the custom log table.
L) Create a table to store error information. Create an error output on each data flow destination that writes OnError event text to the table.
M) Create a table to store error information. Create an error output on each data flow destination that writes OnTaskFailed event text to the table.
N) Use an event handler for OnTaskFailed for the package.
O) View the All Messages subsection of the All Executions report for the package.
P) Deploy the project by using dtutil.exe with the /COPY DTS option.
Q) Enable the SSIS log provider for SQL Server for OnTaskFailed in the package control flow.
R) Deploy the .ispac file by using the Integration Services Deployment Wizard.

4. Note: This question is part of a series of questions that use the same set of answer choices. An answer choice may be correct for more than one question in the series.
You administer a Microsoft SQL Server 2012 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 chat 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) Perform a point-in-time restore.
B) Perform a partial restore.
C) Restore the latest full backup. Then, restore each differential backup taken before the time of failure from the most recent full backup.
D) Restore the latest full backup, and restore the latest differential backup. Then, restore the latest log backup.
E) Restore the latest full backup. Then, restore the latest differential backup.
F) Restore the latest full backup.
G) Perform a page restore.
H) 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.

5. HOTSPOT
You are developing a SQL Server Integration Service (SSIS) package. The package loads a customer dimension table by using a data flow task.
Changes to the customer attributes must be tracked over time.
You need to produce a checksum value to identify the rows that have changed since the last Extract, Transform and Load (ETL) process execution. You need to use the least amount of development effort to achieve this goal.
Which transformation should you use? (To answer, select the appropriate transformation in the answer area.)

問題與答案：