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Microsoft 070-457 Exam Syllabus Topics:

Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 1 Sample Questions:

Question 1

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.

A. Create a LOG backup every 5 minutes.
B. Create a DIFFERENTIAL database backup every 4 hours.
C. Create a DIFFERENTIAL database backup every 24 hours.
D. Create a FULL database backup every 24 hours.
E. Configure the database to use the FULL recovery model.
F. Configure the database to use the SIMPLE recovery model.

Question 2

You develop a database for a travel application. You need to design tables and other database objects. You create the Airline_Schedules table. You need to store the departure and arrival dates and times of flights along with time zone information. What should you do?

A. Add a LOOP hint to the query.
B. Add a HASH hint to the query.
C. Cover the unique clustered index with a columnstore index.
D. Add a FORCESCAN hint to the Attach query.
E. Add a columnstore index to cover the query.
F. Add an INCLUDE clause to the index.
G. Include a SET STATISTICS PROFILE ON statement before you run the query.
H. Include a SET FORCEPLAN ON statement before you run the query.
I. Enable the Optimize for ad hoc workloads option.
J. Add a FORCESEEK hint to the query.

Question 3

You administer a Microsoft SQL Server 2012 instance named SQL2012 that hosts an OLTP database of 1 terabyte in size. The database is modified by users only from Monday through Friday from 09:00 hours to
17:00 hours. Users modify more than 30 percent of the data in the database during the week. Backups are performed as shown in the following schedule:

The Finance department plans to execute a batch process every Saturday at 09:00 hours. This batch process will take a maximum of 8 hours to complete. The batch process will update three tables that are 10 GB in size. The batch process will update these tables multiple times. When the batch process completes, the Finance department runs a report to find out whether the batch process has completed correctly. You need to ensure that if the Finance department disapproves the batch process, the batch operation can be rolled back in the minimum amount of time. What should you do on Saturday?

A. Create a marked transaction in the transaction log at 08:59 hours. Perform a transaction log backup at
17:01 hours.
B. Perform a differential backup at 08:59 hours.
C. Create a marked transaction in the transaction log at 08:59 hours. Perform a transaction log backup at
08:59 hours.
D. Record the LSN of the transaction log at 08:59 hours. Perform a transaction log backup at 17:01 hours.
E. Record the LSN of the transaction log at 08:59 hours. Perform a transaction log backup at 08:59 hours.
F. Create a database snapshot at 08:59 hours.

Question 4

You administer a Microsoft SQL Server 2012 database. You create an availability group named haContosoDbs. Your primary replica is available at Server01\Contoso01. You need to configure the availability group to have the highest availability. You also need to ensure that no data is lost. Which Transact-SQL statement should you use?

A. ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = ASYNCHRONOUS_COMMIT, FAILOVER_MODE = MANUAL)
B. ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = SYNCHRONOUS_COMMIT, FAILOVER_MODE = AUTOMATIC)
C. ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01' WITH (AVAILABILITY_MODE = ASYNCHRONOUS_COMMIT, FAILOVER_MODE = AUTOMATIC)
D. ALTER AVAILABILITY GROUP haContosoDbs MODIFY REPLICA ON 'Server01
\Contoso01'
WITH (AVAILABILITY_MODE = SYNCHRONOUS_COMMIT, FAILOVER_MODE = MANUAL)

Question 5

You administer a Microsoft SQL Server 2012 instance that has several SQL Server Agent jobs configured.
When SQL Server Agent jobs fail, the error messages returned by the job steps do not provide the required
detail. The following error message is an example error message:
"The job failed. The Job was invoked by User CONTOSO\ServiceAccount. The last step to run was step 1
(Subplan_1)."
You need to ensure that all available details of the job step failures for SQL Server Agent jobs are retained.
What should you do?

A. Expand agent logging to include information from all events.
B. Disable the Limit size of job history log feature.
C. Configure event forwarding.
D. Configure output files.

Solutions: