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Vendor: Microsoft
Exam Code: 70-451
Exam Name: PRO: Designing Database Solutions and Data Access Using Microsoft SQL Server 2008

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QUESTION 71
Your company has four offices.
Each office contains a server that runs SQL Server 2008.
All corporate data is stored in a central location.
You need to create a reporting solution.
The solution must meet the following requirements:
– Minimize hardware costs
– Minimize administrative effort
– Minimize the time it takes to generate the reports
– Enable users to run reports locally, even if a WAN link fails
What should you do?

A.    Implement database mirroring.
B.    Implement log shipping.
C.    Create horizontally partitioned tables and a federated database.
D.    Implement a geographically dispersed SQL Server 2008 cluster.

Answer: B

QUESTION 72
You have a server that runs SQL Server 2008 Enterprise.
The server contains a 300-GB database.
At the end of every month, several reports are generated from the database. Users report that it takes a long time to access data from the database while the reports are being generated.
You need to recommend a solution to improve the data access time while the reports are being generated from the database.
The solution must use a minimum amount of administrative effort.
What should you recommend?

A.    linked servers
B.    database snapshots
C.    a failover cluster
D.    database mirroring

Answer: B

QUESTION 73
You are a database developer.
You plan to design a database solution by using SQL Server 2008.
The database will contain a table named Claims.
The Claims table will contain a large amount of data.
You plan to partition the data into following categories:
– Open claims
– Claims closed before January 1, 2005
– Claims closed between January 1, 2005 and December 31, 2007
– Claims closed from January 1, 2008 till date
The close_date field in the Claims table is a date data type and is populated only if the claim has been closed.
You need to design a partition function to segregate records into the defined categories.
What should you do?

A.     Create a RANGE RIGHT partition function by using the values 20051231, 20071231,
and NULL.
B.    Create a RANGE LEFT partition function by using the values 20051231, 20071231,
and 20080101.
C.    Create a RANGE LEFT partition function by using the values 20051231, 20071231,
and NULL.
D.     Create a RANGE RIGHT partition function by using the values 20051231, 20071231,
and 20080101.

Answer: A

QUESTION 74
You are designing a database that will be used for reporting purposes.
The database stores data using spatial data type.
You need to minimize the data storage requirements and improve the application response time.
What should you recommend?

A.    Use XML datatype.
B.    Use table partitioning.
C.    Use row compression.
D.    Use sparse columns.

Answer: C

QUESTION 75
You are a database solutions architect.
Your company plans to develop a solution by using a SQL Server 2008 instance.
The solution has the following business requirements:
– Import data from various data sources such as Microsoft Office Excel, Microsoft SQL Server 2000,Microsoft SQL Server 2005, and CSV files.
– Profile the source data before it is imported.
– Provide collaboration and offline capabilities to mobile users.
– Allow mobile users to use heterogeneous data stores.
You need to configure the appropriate SQL Server components to accomplish the business requirements.
You want to achieve this goal by using the minimum amount of administrative effort.
Which two SQL Server components should you use? (Each correct answer presents part of the solution. Choose two.)

A.    Analysis Services
B.    Reporting Services
C.    Integration Services
D.    Notification Services
E.    Microsoft Sync Framework

Answer: CE

QUESTION 76
You need to design a database solution that meets the following capabilities:
– Executes SQL Server Integration Services (SSIS) packages
– Executes Transact-SQL
– Schedules tasks
– Sends alerts
Which SQL Server component should you use?

A.    Notification Services
B.    Service Broker
C.    SQL Mail
D.    SQL Server Agent

Answer: D

QUESTION 77
You have a table in a database that contains 30 million rows.
You need to ensure that the table meets the following requirements:
– Enables queries on all string values within the table
– Enables queries to be returned by order of proximity
– Minimizes the amount of time required to execute queries
What should you do?

A.    Create a filtered index.
B.    Create a clustered index.
C.    Configure Service Broker.
D.    Configure a Full-Text-Search.

Answer: D

QUESTION 78
You are a database developer.
You plan to create a database by using SQL Server 2008.
The database will store information about students, teachers, classes, and rooms in a school.
The database will be used by a scheduling application.
In the design plan, the following facts have to be considered:
– Each teacher can teach one or more classes.
– Each student can register for one or more classes.
– Each class can be in one or more rooms.
– Each room can host one or more classes.
You identify the following entities for the database design:
– Students
– Teachers
– Classes
– Rooms
– ClassesStudents
– ClassesTeachers
You need to design the database to ensure normalization.
What should you do?

A.    1. Add a new entity named TeachersStudents.
2. Establish a relationship between the Teachers and Students entities by using the
TeachersStudents entity.
B.    1. Add a new entity named ClassesRooms.
2. Establish a relationship between the Classes and Rooms entities by using the
ClassesRooms entity.
C.    1. Add a new entity named TeachersRooms.
2. Establish a relationship between the Teachers and Rooms entities by using the
TeachersRooms entity
D.    1. Create a new entity named StudentsRooms.
2. Establish a relationship between the Students and Rooms entities by using the
StudentsRooms entity.

Answer: B

QUESTION 79
You are a database developer.
You plan to design a database solution by using SQL Server 2008.
You are creating a database to support the office manager.
Your database model has the following structure.
The database design has the following business requirements:
– An employee can be assigned more than one task.
– Upon completion, the task is deleted.
– When a task is deleted, the associated assignment is deleted.
When an employee is no longer available to complete a task, the employee link to the assignment is replaced with a NULL value.
You need to implement the business requirements to maintain data integrity.
What should you do?
 

A.    Create DDL INSERT triggers on the Employee, Task, and Assignment entities.
B.    Create CHECK constraints on the TaskID and EmployeeID attributes in the Assignment entity.
C.    Create Foreign Keys constraints on the TaskID and EmployeeID attributes in the Assignment
entity.
D.    Create Foreign Keys constraints on the TaskID and EmployeeID attributes in the Task and
Employee entities respectively.
Reference the Assignment entity, and specify the appropriate On Delete action.

Answer: C

QUESTION 80
You have a database that contains two tables named Table1 and Table1_Details.
Table1_Details contains details about items in Table1.
You need to ensure that when an item is removed from Table1, all related items are removed from. Table1_Details.
You must achieve this goal by using the minimum amount of Transact-SQL code.
What should you do?

A.    Create a foreign key relationship. Set Cascade Delete to Null.
B.    Create a foreign key relationship. Set Cascade Delete to True.
C.    Create a trigger on Table1_Details that fires on the Delete action.
D.    Create a stored procedure that deletes all related items from Table1_Details.

Answer: B


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