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Microsoft 70-450 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Design and implement a database infrastructure | - Design database storage solutions
|
| Topic 2: Optimize database performance | - Optimize database objects and queries
|
| Topic 3: Maintain databases | - Manage database operations
|
| Topic 4: Design and implement database availability solutions | - Implement high availability solutions
|
Microsoft PRO:MS SQL Serv 08,Design,Optimize, and Maintain DB Admin Solu Sample Questions:
You administer a SQL Server 2008 infrastructure.
The instance contains a database required for the day-to-day business of your company. Users experience slow response time when they execute reports.
You plan to design a performance monitoring strategy that captures and stores the following data:
Executed Transact-SQL statements and query activity.
Blocking and deadlock information.
Counters for disk, CPU, and memory.
You need to implement the monitoring process by using the minimum amount of administrative effort.
What should you do?
- A. Use the client-side profiler trace.
- B. Use the System Monitor counter log trace.
- C. Use the data collector
- D. Use the dynamic management views.
Correct Answer: C 🗳️
Explanation: Only visible for PassTestking members. You can sign-up / login (it's free).
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. Peer-to-Peer replication should be included.
- B. Asynchronous database mirroring without a witness server should be included.
- C. Log shipping to servers at two of the sites to offer read-only replications of data should be included.
- D. Failover clustering should be included.
Correct Answer: A 🗳️
Explanation: Only visible for PassTestking members. You can sign-up / login (it's free).
You administer a SQL Server 2008 instance. You plan to design a high-availability solution by using database mirroring.
The current application includes programming logic that will retry transactions if a failover occurs.
You need to configure a strategy that will provide the minimum amount of latency for committed transactions.
What should you do?
- A. Configure manual failover role switching.
- B. Pause database mirroring.
- C. Configure automatic failover role switching.
- D. Configure forced service role switching.
Correct Answer: D 🗳️
Explanation: Only visible for PassTestking members. You can sign-up / login (it's free).
You administer a SQL Server 2008 instance that hosts a large database.
The following backup strategy is used for the database:
A full database backup is performed at 02:00 hr every Monday.
A differential backup is performed at 23:00 hr every day.
A transaction log backup is performed on an hourly basis.
A power failure on Thursday causes the SQL Server 2008 server to restart at 09:15 hr.
Fifteen minutes after the server restarts, the users report that they are unable to execute certain queries
that access
customer data. You discover that the customer data is unmodified after the power failure.
When you execute the DBCC CHECKDB command on the database, you receive the following error
message:
Object ID 2814307832, index ID 2, partition ID 83127819437122157, alloc unit ID 82134587923221126
(type In-row data): Page (3421:169) could not be processed. See other errors for d etails.
Table error: Object ID 2814307832, index ID 2, partition ID 83127819437122157, alloc unit ID
82134587923221126 (type In-row data), page (3421:169). Test (IS_OFF (BUF_IOERR, pBUF- > bstat))
failed. Values are 16928422 and -8.
CHECKDB found 0 allocatio n errors and 2 consistency errors in table 'tbl_Customer' (object ID 2814307832).
When you execute the sp_help 'tbl_customer' stored procedure you receive the following result set: index_name index_description PK clustered located on PRIMARY NCIX nonclustered located on PRIMARY
You need to ensure that the data is available as quickly as possible with minimal effect on users.
What should you do?
- A. Drop and recreate the PK index.
- B. Drop and recreate the NCIX index.
- C. Restore the latest full database backup. Restore all transaction log backups from the latest full database backup.
- D. Restore the latest full database backup. Restore the latest differential backup. Restore all transaction log backups from the latest differential backup.
Correct Answer: B 🗳️
Explanation: Only visible for PassTestking members. You can sign-up / login (it's free).
You administer a SQL Server 2008 instance.
The instance is one of three servers in a peer-to-peer transactional replication topology.
The publication contains a table named Orders. The Orders table contains 200 GB of data
across multiple partitions. A batch process bulk loads 10 GB of data to the Orders table periodically.
You need to design a replication strategy to minimize latency.
What should you do?
- A. Configure the Distributor agent to change the commit batch threshold.
- B. Disable the Distributor agent. Use the BULK INSERT command in the Orders table. Reinitialize the publication.
- C. Explanation/Reference:
---Jeff--- - D. Configure the Distributor agent to replicate transactions continually.
- E. Use the BULK INSERT command in multiple staging tables. Switch partitions into the Orders table.
Correct Answer: E 🗳️
Explanation: Only visible for PassTestking members. You can sign-up / login (it's free).
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