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.

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 8 of 10

Explore more Topics under DBMS

01

DBMS Basics

02

Data Models

03

The Entity Relationship Approach

04

Relational Databases

05

Data Storage and Querying

06

Relational Algebra

07

Normalization

08

Storage and File Structures

09

Indexing and Hashing

10

Transactions

11

Concurrency Control

12

Distributed Databases

13

SQL

14

Data Warehousing and Data Mining

15

RDBMS

16

Advanced SQL

17

SQL Queries,Constraints and Triggers

Q71.

There are special redo-only log records generated during transaction rollback, called _________ in ARIES.

Compensation log records

Read log records

Page log records

Redo log records

Discuss

Answer: (a).Compensation log records

Q72.

The __________________ contains a list of pages that have been updated in the database buffer.

Dirty page table

Page table

Dirty redo

All of the mentioned

Discuss

Answer: (a).Dirty page table

Q73.

___________ determines which transactions to undo,which pages were dirty at the time of the crash, and the LSN from which the redo pass should start.

Analysis pass

Redo pass

Undo pass

None of the mentioned

Discuss

Answer: (a).Analysis pass

Q74.

__________ starts from a position determined during analysis, and performs a redo, repeating history, to bring the database to a state it was in before the crash.

Analysis pass

Redo pass

Undo pass

None of the mentioned

Discuss

Answer: (b).Redo pass

Q75.

______________ rolls back all transactions that were incomplete at the time of crash.

Analysis pass

Redo pass

Undo pass

None of the mentioned

Discuss

Answer: (c).Undo pass

Q76.

Which lock should be obtained to prevent a concurrent transaction from executing a conflicting read, insert or delete operation on the same key value.

Higher-level lock

Lower-level lock

Read only lock

Read write

Discuss

Answer: (a).Higher-level lock

Q77.

The remote backup site is sometimes also called the

Primary Site

Secondary Site

Tertiary Site

None of the mentioned

Discuss

Answer: (b).Secondary Site

Q78.

Remote backup system must be _________ with the primary site.

Synchronised

Separated

Connected

Detached but related

Discuss

Answer: (a).Synchronised

Q79.

The backup is taken by

Erasing all previous records

Entering the new records

Sending all log records from primary site to the remote backup site

Sending selected records from primary site to the remote backup site

Discuss

Answer: (c).Sending all log records from primary site to the remote backup site

Q80.

When the __________ the backup site takes over processing and becomes the primary.

Secondary fails

Backup recovers

Primary fails

None of the mentioned

Discuss

Answer: (c).Primary fails

Page 8 of 10

Welcome to the Recovery System MCQs Page

Recovery System MCQs | Page 8 of 10

Explore more Topics under DBMS

DBMS Basics

Data Models

The Entity Relationship Approach

Relational Databases

Data Storage and Querying

Relational Algebra

Normalization

Storage and File Structures

Indexing and Hashing

Transactions

Concurrency Control

Distributed Databases

SQL

Data Warehousing and Data Mining

RDBMS

Advanced SQL

SQL Queries,Constraints and Triggers

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