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Welcome to the Recovery System MCQs Page

Dive deep into the fascinating world of Recovery System with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Recovery System, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Recovery System, 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 DBMS.

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Check out the MCQs below to embark on an enriching journey through Recovery System. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

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

Recovery System MCQs | Page 7 of 10

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Q61.
Which of the following is used only for data entry and storage, and never for processing?

a.

Mouse

b.

Dumb terminal

c.

Micro computer

d.

Dedicated data entry system

Discuss
Answer: (b).Dumb terminal
Q62.
Non-volatile storage needs to have a _________ where the loses in future can be recovered.

a.

Dump

b.

Recover place

c.

Disk

d.

Redo plan

Discuss
Answer: (a).Dump
Q63.
A dump of the database contents is also referred to as an _____________ dump.

a.

Archival

b.

Fuzzy

c.

SQL

d.

All of the mentioned

Discuss
Answer: (a).Archival
Q64.
________ dump, writes out SQL DDL statements and SQL insert statements to a file, which can then be reexecuted to re-create the database.

a.

Archival

b.

Fuzzy

c.

SQL

d.

All of the mentioned

Discuss
Answer: (c).SQL
Q65.
_________ dump schemes have been developed that allow transactions to be active while the dump is in progress.

a.

Archival

b.

Fuzzy

c.

SQL

d.

All of the mentioned

Discuss
Answer: (b).Fuzzy
Q66.
ARIES uses a ___________ to identify log records, and stores it in database pages.

a.

Log sequence number

b.

Log number

c.

Lock number

d.

Sequence

Discuss
Answer: (b).Log number
Q67.
ARIES supports ___________ operations, which are physical in that the affected page is physically identified, but can be logical within the page.

a.

Physiological redo

b.

Physiological undo

c.

Logical redo

d.

Logical undo

Discuss
Answer: (a).Physiological redo
Q68.
______________ is used to minimize unnecessary redos during recovery.

a.

Dirty page table

b.

Page table

c.

Dirty redo

d.

All of the mentioned

Discuss
Answer: (a).Dirty page table
Q69.
__________ scheme that records only information about dirty pages and associated information and does not even require of writing dirty pages to disk.

a.

Fuzzy logic

b.

Checkpoints

c.

Fuzzy-checkpoint

d.

Logical checkpoint

Discuss
Answer: (c).Fuzzy-checkpoint
Q70.
Whenever an update operation occurs on a page, the operation stores the LSN of its log record in the _______ field of the page.

a.

LSN

b.

ReadLSN

c.

PageLSN

d.

RedoLSN

Discuss
Answer: (c).PageLSN
Page 7 of 10

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