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 2 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

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Advanced SQL

17

SQL Queries,Constraints and Triggers

Q11.

Which of the following is not a recovery technique?

Deferred update

Immediate update

Two-phase commit

Recovery management

Discuss

Answer: (c).Two-phase commit

Q12.

Checkpoints are a part of

Recovery measures

Security measures

Concurrency measures

Authorization measures

Discuss

Answer: (a).Recovery measures

Q13.

....... deals with soft errors, such as power failures.

system recovery

media recovery

database recovery

failure recovery

Discuss

Answer: (d).failure recovery

Q14.

Rollback of transactions is normally used to :

recover from transaction failure

update the transaction

retrieve old records

repeat a transaction

Discuss

Answer: (a).recover from transaction failure

Q15.

A transaction performs on the isolation level of the Read Uncommitted if :

A dirty read occurs

Non-repeatable read occurs

Phantom reads occurs

All of the above

Discuss

Answer: (d).All of the above

Q16.

Which commands are used to control which users have which privilege over which objects ?

QUE and QUIST

GRANT and REVOKE

CASECADE and MVD

None of the above

Discuss

Answer: (b).GRANT and REVOKE

Q17.

When a deadlock is detected the recovery is normally accomplished by :

rollback of transaction

locking of data

consistency checking

none of these

Discuss

Answer: (a).rollback of transaction

Q18.

Which is not a desirable property of a transaction ?

Isolation

Atomicity

Durability

All are desirable

Discuss

Answer: (d).All are desirable

Q19.

A directed graph which represents the deadlock is called :

cycle graph

deadlock graph

wait-for graph

none of the above

Discuss

Answer: (c).wait-for graph

Q20.

Transaction Throughput is :

Elapsed Time between submitting a transaction and receiving a transaction.

Average no. of transaction processed per second.

No. of resources used by a transaction.

None of the above

Discuss

Answer: (b).Average no. of transaction processed per second.

Page 2 of 10

Welcome to the Recovery System MCQs Page

Recovery System MCQs | Page 2 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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