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Welcome to the Performance Tuning and Optimization MCQs Page

Dive deep into the fascinating world of Performance Tuning and Optimization with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Performance Tuning and Optimization, a crucial aspect of SQL Server. In this section, you will encounter a diverse range of MCQs that cover various aspects of Performance Tuning and Optimization, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within SQL Server.

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Check out the MCQs below to embark on an enriching journey through Performance Tuning and Optimization. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of SQL Server.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Performance Tuning and Optimization. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Performance Tuning and Optimization MCQs | Page 9 of 12

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Q81.
The transaction log supports which of the following operations?

a.

Recovery of all incomplete transactions when SQL Server is started

b.

Recovery of individual transactions

c.

Supporting transactional replication

d.

All of the mentioned

Discuss
Answer: (b).Recovery of individual transactions
Q82.
Point out the correct statement.

a.

The Database Engine supports two types of checkpoints

b.

Long-running uncommitted transactions decrease recovery time for all types of checkpoints

c.

Log truncation deletes inactive virtual log files from the logical transaction log of a SQL Server database

d.

All of the mentioned

Discuss
Answer: (c).Log truncation deletes inactive virtual log files from the logical transaction log of a SQL Server database
Q83.
Which of the log_reuse_wait_desc value has log_reuse_wait value 0?

a.

CHECKPOINT

b.

ACTIVE_TRANSACTION

c.

NOTHING

d.

All of the mentioned

Discuss
Answer: (c).NOTHING
Q84.
ACTIVE_TRANSACTION has log_reuse_wait value is _________

a.

1

b.

2

c.

3

d.

4

Discuss
Answer: (d).4
Q85.
Point out the wrong statement.

a.

For performance reasons, the Database Engine performs modifications to database pages in memory

b.

Log truncation does reduce the size of the physical log file

c.

Log truncation is essential to keep the log from filling

d.

None of the mentioned

Discuss
Answer: (b).Log truncation does reduce the size of the physical log file
Q86.
________ logging is not supported for memory-optimized tables.

a.

Full

b.

Minimal

c.

Bulk

d.

None of the mentioned

Discuss
Answer: (b).Minimal
Q87.
Index page deallocation during a ________ operation is always fully logged.

a.

DROP INDEX

b.

CREATE INDEX

c.

ALTER INDEX

d.

None of the mentioned

Discuss
Answer: (a).DROP INDEX
Q88.
Which of the following checkpoint has ‘recovery interval’ less than zero?

a.

Automatic

b.

Direct

c.

Indirect

d.

All of the mentioned

Discuss
Answer: (a).Automatic
Q89.
Internal checkpoint is generated in response to which of the following event?

a.

A database snapshot is deleted, whether explicitly or internally for DBCC CHECK

b.

Bringing a SQL Server failover cluster instance (FCI) offline

c.

Bringing a SQL Server failover cluster instance (FCI) online

d.

None of the mentioned

Discuss
Answer: (b).Bringing a SQL Server failover cluster instance (FCI) offline
Q90.
__________ backups are taken in bulk or full recovery models only.

a.

Log

b.

Active

c.

Passive

d.

Replica

Discuss
Answer: (a).Log
Page 9 of 12

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