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Microsoft 070-450 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Design and implement database availability solutions | - Design backup and recovery strategies
|
| Maintain databases | - Manage database operations
|
| Design and implement a database infrastructure | - Design database security solutions
|
| Optimize database performance | - Optimize database objects and queries
|
Microsoft PRO:MS SQL Serv 08,Design,Optimize, and Maintain DB Admin Solu Sample Questions:
You are a professional level SQL Sever 2008 Database Administrator.
They are respectively named Ins01, Ins02, Ins03 and Ins04. A single database application is hosted by each instance. All four instances should be removed to a new SQL Server failover cluster. You can see the configuration of the four instances from the table listed below:
All the four instances are sufficiently optimized, and there are no spare CPU cycles or extra memory in
the instances.
All four databases will be hosted by the new cluster on a single virtual cluster IP address.
Since you are the technical support, you are required to set the new cluster to handle the workload of all the database applications with the least amount of hardware resources.
From the four cluster configuration, which one should be utilized?
- A. Four-node active/active/active/passive cluster should be utilized and a minimum of 18 processors and a 50-GB memory are contained by each node.
- B. Two-node active/active cluster should be utilized and a minimum of 9 processors and a 25-GB memory are contained by each node.
- C. Two-node active/passive cluster should be utilized and a minimum of 18 processors and a 50-GB memory are contained by each node.
- D. Four-node active/active/active/active cluster should be utilized and a minimum of 9 processors and a 25-GB memory are contained by each node.
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You deploy a new database application to a SQL Server 2008 instance on a server that has 4 processor
cores and 64 GB of RAM. The application uses partitioned tables.
During testing, deadlocks occasionally occur on queries that are attempting to read data.
You find out that the deadlocks are related to the table partitions.
You need to ensure that the application executes without deadlocks for the read queries.
You also need to ensure that dirty reads do not occur.
What should you do? (More than one answer choice may achieve the goal. Select the BEST answer.)
- A. Move each partitioned table to its own filegroup.
- B. Add additional database files to each partitioned table.
- C. Move the clustered indexes for the partitioned tables to a separate filegroup.
- D. Disable partition-level lock escalation.
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You are a professional level SQL Sever 2008 Database Administrator.
A database is hosted by the instance and the database is configured by utilizing high-safety mirroring operation mode along with a witness server. A memory failure is experienced by the witness server; therefore the server will be offline for five hours. The mirroring strategy should be reset to cut the risk of database unavailability to the least level.
Which action should you perform to finish the task?
- A. To finish the task, asynchronous operating mode should be utilized.
- B. To finish the task, database mirroring should be removed.
- C. To finish the task, database mirroring should be paused.
- D. To finish the task, the witness server should be moved from the mirroring session.
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You administer a SQL Server 2008 instance named Instance1 at the New York central site. Your company has a sales team to fulfill purchase orders for customer requests.
The sales team uses portable computers to update data frequently in a local database. When the portable computers connect to the central site, the local database must be synchronized with a database named Sales.
You plan to create a replication model to replicate the local database to the Sales database.
The replication model must meet the following requirements:
Data conflicts are handled when multiple users update the same data independently.
The sales team cannot update sensitive data such as product price.
The sales team can synchronize data at scheduled times and on demand also.
You need to identify the best model to replicate data by using minimum development efforts.
What should you do?
- A. Use SQL Server Integration Services (SSIS) to push data changes and pull updates to the Sales database along with the SSIS packages, on demand.
- B. Use merge replication along with each portable computer that is set up as a subscriber.
- C. Use transactional replication along with each portable computer that is set up as a publisher.
- D. Use snapshot replication along with each portable computer that is set up as a subscriber.
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You administer a SQL Server 2008 Enterprise Edition instance that hosts a large database.
The database uses the simple-recovery model.
The database contains the following three additional filegroups:
FileGroupA that is read/write
FileGroupB that is read-only
FileGroupC that is read-only
FilegroupB contains less critical data than FilegroupC.
You discover that the PRIMARY filegroup and FileGroupB have failed.
You need to recover the database in the minimum possible time. You also need to ensure that
data is available as soon as possible.
What should you do?
- A. Perform a partial restore of the PRIMARY filegroup and FileGroupA from a partial backup. Perform an online recovery of FileGroupC, and then perform an online restore of FileGroupB.
- B. Perform a full database restore.
- C. Perform a partial restore of the PRIMARY filegroup and FileGroupB from a partial backup.
- D. Perform a partial restore of the PRIMARY filegroup and FileGroupA from a partial backup. Perform an online recovery of FileGroupB, and then perform an online restore of FileGroup
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