adplus-dvertising

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.

frame-decoration

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 3 of 10

Explore more Topics under DBMS

Q21.
Data encryption techniques are particularly useful for

a.

reducing storage space requirements

b.

improving data integrity

c.

protecting data in data communication systems

d.

All of the above

Discuss
Answer: (c).protecting data in data communication systems
Q22.
Before any changes to database structure are attempted one should first:

a.

clearly understand the current structure and contents of the database only.

b.

test any changes on a test database only.

c.

create a complete backup of the operational database only.

d.

All of the above should be done.

Discuss
Answer: (d).All of the above should be done.
Q23.
Which of the following modifications may not succeed?

a.

Changing a column data type from char to date

b.

Changing a column data type from numeric to char

c.

Both of the above actions should succeed.

d.

Neither of the above actions will succeed.

Discuss
Answer: (a).Changing a column data type from char to date
Q24.
Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign.

a.

optimistic

b.

skeptical

c.

ambivalent

d.

None of the above is correct.

Discuss
Answer: (b).skeptical
Q25.
Which of the following can cause a transaction failure

a.

Logical error

b.

System error

c.

More than one of the mentioned

d.

None of the mentioned

Discuss
Answer: (c).More than one of the mentioned
Q26.
If the transaction can no longer continue with its normal execution because of some internal condition, it is called as a _________

a.

Logical error

b.

System error

c.

System crash

d.

None of the mentioned

Discuss
Answer: (a).Logical error
Q27.
If a system has entered and undesirable state due to which it is unable to continue with normal execution, it is called as _________

a.

Logical error

b.

System error

c.

System crash

d.

None of the mentioned

Discuss
Answer: (b).System error
Q28.
If there is a hardware malfunction or a bug in the database that causes the loss of content of volatile storage, it is called as ________

a.

Logical error

b.

System error

c.

System crash

d.

None of the mentioned

Discuss
Answer: (c).System crash
Q29.
The assumption that the hardware errors bring the system to a halt is called as ________

a.

Halter assumption

b.

Phantom assumption

c.

Fail-stop assumption

d.

Disk failure

Discuss
Answer: (c).Fail-stop assumption
Q30.
Which of the following is not a classification of storage

a.

Volatile storage

b.

Nonvolatile storage

c.

Stable storage

d.

None of the mentioned

Discuss
Answer: (d).None of the mentioned
Page 3 of 10

Suggested Topics

Are you eager to expand your knowledge beyond DBMS? We've curated a selection of related categories that you might find intriguing.

Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!

Java Spring Framework

Enhance your Java development skills with our Spring Framework MCQs. Learn about...

Object Oriented Programming

Enhance your coding skills with our Object Oriented Programming MCQs. Understand...

Big Data Computing

Enhance your understanding of Big Data Computing with our comprehensive MCQs. Explore...

C Programming

Master one of the most widely used programming languages with our C Programming MCQs....

C# programming

Hone your skills in the C# language with our MCQs. Understand data types, operators,...

Computer Architecture

Unveil the science behind computer design with our Computer Architecture MCQs. Topics...

Neural Networks

Dive into the world of Artificial Intelligence with our Neural Networks MCQs. Uncover...

Wireless and Mobile Communications

Get to grips with modern communication technologies with our Wireless and Mobile...

Microprocessor

Understand the heart of your computer with our Microprocessor MCQs. Topics include...