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Microsoft 70-458 Exam Syllabus Topics:

Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 2 Sample Questions:

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.
On Wednesday at 10:00 hours, the development team requests you to refresh the database on a development server by using the most recent version.
You need to perform a full database backup that will be restored on the development server.
Which backup option should you use?

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

2. You administer a Windows Azure SQL Database database named Human_Resources. The database contains 2 tables named Employees and SalaryDetails.
You add two Windows groups as logins for the server:
---
CORP\Employees - All company employees CORP\HRAdmins - HR administrators only HR Administrators are also company employees.
You need to grant users access according to the following requirements:
-
CORP\Employees should have SELECT access to the Employees table.
- Only users in CORP\HRAdmins should have SELECT access to the SalaryDetails table. - Logins are based only on Windows security groups.
What should you do?

A) Create a database role called HRAdmins.
Add all company employees except HR administrators to the db_datareader role,
Add all HR administrators to the HRAdmins role.
Grant SELECT access to the SalaryDetails table to the HRAdmins role.
Deny SELECT access to the SalaryDetails table to the db_datareader role.
B) Create a database role called Employees.
Add all HR administrators to the db_datareader role.
Add all company employees to the Employees role.
Grant SELECT access to all tables except the SalaryDetails table to the Employees role.
Deny SELECT access to the SalaryDetails table to the Employees role.
C) Create a database role called Employees.
Add CORP\Employees to the db_datareader role.
Add all company employees except HR administrators to the Employees role.
Deny SELECT access to the SalaryDetails table to the Employees role.
D) Create two database roles: Employees and HRAdmins.
Add all company employees to the Employees role.
Add HR administrators to the HRAdmins role.
Grant SELECT access to all tables except SalaryDetails to the Employees role.
Grant SELECT access to the SalaryDetails table to the HRAdmins role.
Deny SELECT access to the SalaryDetails table to the Employees role.

3. You are designing a data warehouse with two fact tables. The first table contains sales per month and the second table contains orders per day.
Referential integrity must be enforced declaratively.
You need to design a solution that can join a single time dimension to both fact tables.
What should you do?

A) Create a view on the sales table.
B) Create a surrogate key for the time dimension.
C) Join the two fact tables.
D) Create a time dimension that can join to both fact tables at their respective granularity.

4. You are designing a data warehouse that uses SQL Server 2012. You are preparing to update the contents of a fact table that contains a non-clustered columnstore index.
You need to run an update statement against the table.
What should you do first?

A) Drop the columnstore index.
B) Pause the columnstore index.
C) Change the recovery model of the database to Bulk-logged.
D) Change the non-clustered columnstore index to be a clustered columnstore index.

5. ----
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 need to ensure that the backup size is as small as possible.
Which backup should you perform every two hours?

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

Solutions: