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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:

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?

A) Use the SQL Server default instance and enable Contained Databases.
B) Install a new default SQL Server instance on the server.
C) Use the SQL Server default instance and configure a user-defined server role. Add the login for the ticketing application to this role.
D) Install a new named SQL Server instance on the server.

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

3. You are a database developer at an independent software vendor. You create stored procedures that contain proprietary code. You need to protect the code from being viewed by your customers. Which stored procedure option should you use?

A) ENCRYPTBYCERT
B) ENCRYPTBYKEY
C) ENCRYPTBYPASSPHRASE
D) ENCRYPTION

4. You administer a Microsoft SQL Server 2012 database. You configure Transparent Data Encryption (TDE) on the Orders database by using the following statements:
CREATE MASTER KEY ENCRYPTION BY PASSWORD = 'MyPassword1!'
CREATE CERTIFICATE TDE_Certificate WITH SUBJECT = 'TDE Certificate';
BACKUP CERTIFICATE TDE_Certificate TO FILE = ''d:\TDE_Certificate.cer'
WITH PRIVATE KEY (FILE = 'D:\TDE_Certificate.key', ENCRYPTION BY PASSWORD =
'MyPassword1!');
CREATE DATABASE ENCRYPTION KEY
WITH ALGORITHM = AES_256
ENCRYPTION BY SERVER CERTIFICATE TDE_Certificate;
ALTER DATABASE Orders SET ENCRYPTION ON;
You attempt to restore the Orders database and the restore fails. You copy the encryption file to the original location. A hardware failure occurs and so a new server must be installed and configured. After installing SQL Server to the new server, you restore the Orders database and copy the encryption files to their original location. However, you are unable to access the database. You need to be able to restore the database. Which Transact-SQL statement should you use before attempting the restore?

A) CREATE CERTIFICATE TDE_Certificate FROM FILE = 'd:\TDE_Certificate.cer';
B) CREATE CERTIFICATE TDE_Certificate FROM FILE = 'd:\TDE_Certificate.cer' WITH PRIVATE KEY (FILE = 'D:\TDE_Certificate.key', DECRYPTION BY PASSWORD = 'MyPassword1!');
C) ALTER DATABASE Master SET ENCRYPTION OFF;
D) CREATE CERTIFICATE TDE_Certificate WITH SUBJECT = 'TDE Certificate'; USE Orders; CREATE DATABASE ENCRYPTION KEY
WITH ALGORITHM = AES_256
ENCRYPTION BY SERVER CERTIFICATE TDE_Certificate;

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

Solutions: