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Microsoft 70-458 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Implementing High Availability | - Plan for failover and recovery - Configure database mirroring and replication concepts |
| Topic 2: Implementing Database Maintenance | - Monitor and optimize performance - Automate maintenance tasks - Backup and restore databases |
| Topic 3: Implementing Security | - Manage logins and server roles - Implement database user security - Configure permissions and auditing |
| Topic 4: SQL Server 2012 Installation and Configuration | - Configure client connectivity - Install and configure SQL Server components - Configure SQL Server services and instances |
| Topic 5: Implementing Data Management | - Manage data integrity and constraints - Implement indexes and data types - Design and implement tables and schemas |
Microsoft Transition Your MCTS on SQL Server 2008 to MCSA: SQL Server 2012, Part 2 Sample Questions:
You administer a Microsoft SQL Server 2012 server. You plan to deploy new features to an application.
You need to evaluate existing and potential clustered and non-clustered indexes that will improve performance.
What should you do?
- A. Use the Database Engine Tuning Advisor.
- B. Query the sys.dm_db_index_usage_stats DMV.
- C. Query the sys.dm_db_missing_index_details DMV.
- D. Query the sys.dm_db_missing_index_columns DMV.
Correct Answer: A 🗳️
HOTSPOT
You are developing a SQL Server Integration Services (SSIS) package to implement an incremental data load strategy. The package reads rows from a source system and compares them to rows in a destination system. New rows will be inserted and changed rows will be updated.
You have used a Lookup transformation and a Conditional Split transformation. The Lookup transformation joins the source and destination table on the business key, and includes all columns from the destination table in the data flow output. The Conditional Split transformation inspects the destination columns and directs data flow to either insert new records or update existing records.
You need to configure the Lookup transformation to ensure that all records flow to the Conditional Split transformation, regardless of whether the rows match an existing row in the destination table.
Which setting should you select? (To answer, select the appropriate option in the answer area.)
Correct Answer:
HOTSPOT
You are developing a SQL Server Integration Services (SSIS) package. The data source for the data flow task is a table that has been configured as a change data capture (CDC) table. You are using a CDC Source component to obtain the CDC data.
The data source will be polled once per hour. The data is updated with multiple important status changes per minute.
For each captured data change, the before and after values must be included.You need to configure the CDC Source component.
Which CDC processing mode should you select? (To answer, configure the appropriate option in the dialog box in the answer area.)
Correct Answer:
You are developing a SQL Server Integration Services (SSIS) package to implement an incremental data load strategy.
The package reads data from a source system. Depending on the value in a source column, the package redirects rows to one of five different data flow paths.
You need to add a data flow transformation to support the package redirection.
Which data flow transformation should you use?
- A. Lookup
- B. Multicast
- C. Pivot
- D. Conditional Split
Correct Answer: D 🗳️
----
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. FULL
- B. BULK_LOGGED
- C. STANDBY
- D. CONTINUE_AFTER_ERROR
- E. NORECOVERY
- F. DBO_ONLY
- G. SKIP
- H. COPY_ONLY
- I. Transaction log
- J. CHECKSUM
- K. Differential
- L. RESTART
- M. NO_CHECKSUM
- N. SIMPLE
Correct Answer: I 🗳️
