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Microsoft 70-450 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Performance Tuning and Optimization | - Monitoring and troubleshooting performance issues - Query optimization and indexing strategies |
| Implement and Manage Storage | - Storage performance and capacity planning - Database file and filegroup configuration |
| High Availability and Disaster Recovery | - Database mirroring and replication concepts - Backup and restore strategies |
| Design Database Solutions | - Logical and physical database design for SQL Server 2008 - Schema design and normalization principles |
| Security and Access Control | - User roles and permission management - Authentication and authorization in SQL Server |
| Database Maintenance and Automation | - Maintenance plans and job scheduling - Integrity checks and routine maintenance tasks |
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.
A new database should be deployed, and the capacity requirements listed below should be satisfied.
There should be 275 GB for the database data file, while there should be 50 GB for the transaction log file. There are six 100-GB disk drives which are accessible for the database in the storage array. The six disks are attached to a redundant array of independent disks (RAID) controller, and the controller supports
RAID levels 0, 1, 5, and 10.
Since you are the technical support, you are required to maximize the write performance of the transaction
log. In addition, you should protect the database and transaction log files,
when a drive fails.
The storage system should be designed.
From the following four storage configuration, which one should you utilize?
- A. A RAID 0 volume and a RAID 5 volume should be utilized.
- B. A single RAID 10 volume should be utilized.
- C. A RAID 1 volume and a RAID 5 volume should be utilized.
- D. A single RAID 5 volume should be utilized.
Correct Answer: C 🗳️
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You are a professional level SQL Sever 2008 Database Administrator.
An instance runs on a computer, and the computer has eight quad-core processors and 128-GB RAM. The instance is utilized by four different applications. Not only a low number of CXPACKET waits but also a large number of lazy writer waits are experienced by the instance. The performance of the instance should be optimized.
Which action will you perform to accomplish the goal?
- A. To accomplish the goal, the Resource Governor should be configured.
- B. To accomplish the goal, an increase should be configured in the maximum degree of parallelism option.
- C. To accomplish the goal, the Windows System Resource Manager should be configured.
- D. To accomplish the goal, software non-uniform memory access (soft-NUMA) should be configured.
Correct Answer: D 🗳️
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You are a professional level SQL Sever 2008 Database Administrator.
A mission-critical database is shared by the five sites.
According to the business requirements, the users at each site should be enabled to access and change data on all sites with minimal latency. In addition, data loss should be minimized if a server fails. A high-availability solution should be designed, and the business requirements should be satisfied.
Which action should be included in your solution?
- A. Asynchronous database mirroring without a witness server should be included.
- B. Failover clustering should be included.
- C. Peer-to-Peer replication should be included.
- D. Log shipping to servers at two of the sites to offer read-only replications of data should be included.
Correct Answer: C 🗳️
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You are a professional level SQL Sever 2008 Database Administrator.
A maintenance strategy should be designed for a mission-critical database, and a large table named Orders is contained by the database. Index maintenance operations are contained in the design plan. When you design the strategy, the facts listed below should be taken into consideration.
First, the users continuously access to the Orders table in the database.
Secondly, a column of the xml data type is contained by Orders table.
Thirdly, the new rows are regularly added to the Orders table.
Fourthly, the average fragmentation for the clustered index of the Orders table is no more than 2
percent.
A strategy should be designed to have the performance of the queries on the table optimized.
Which action will you perform?
- A. The clustered index of the Orders table should be dropped.
- B. The clustered index of the Orders table should be excluded from scheduled reorganizing or rebuilding operations.
- C. The clustered index of the Orders table offline should be rebuilt once a month.
- D. The clustered index of the Orders table should be reorganized by reducing the fill factor.
Correct Answer: B 🗳️
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You administer a SQL Server 2008 infrastructure.
You plan to upgrade a Microsoft SQL Server 2005 instance to SQL Server 2008 by using an in-place
upgrade.
All user databases use the simple recovery model and have the PAGE_VERIFY option turned off.
You need to ensure that the database engine can identify I/O path errors and memory corruptions for the
data in tables.
Which two actions should you perform before the upgrade? (Each correct answer presents part of the
solution. Choose two.)
- A. Set the PAGE_VERIFY database option to CHECKSUM.
- B. Set the PAGE_VERIFY database option to TORN_PAGE_DETECTION.
- C. Rebuild the clustered indexes and heaps.
- D. Execute the DBCC CHECKDB command by using the DATA_PURITY option.
- E. Set the database recovery model to FULL.
- F. Rebuild the nonclustered indexes.
Correct Answer: A,E 🗳️
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