Welcome to the Distributed Databases MCQs Page

Dive deep into the fascinating world of Distributed Databases with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Distributed Databases, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Distributed Databases, 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 Distributed Databases. 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 Distributed Databases. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Distributed Databases MCQs | Page 1 of 5

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

Recovery System

13

SQL

14

Data Warehousing and Data Mining

15

RDBMS

16

Advanced SQL

17

SQL Queries,Constraints and Triggers

Q1.

A distributed database has which of the following advantages over a centralized database?

Software cost

Software complexity

Slow Response

Modular growth

Discuss

Answer: (d).Modular growth

Q2.

An autonomous homogenous environment is which of the following?

The same DBMS is at each node and each DBMS works independently.

The same DBMS is at each node and a central DBMS coordinates database access.

A different DBMS is at each node and each DBMS works independently.

A different DBMS is at each node and a central DBMS coordinates database access.

Discuss

Answer: (a).The same DBMS is at each node and each DBMS works independently.

Q3.

A transaction manager is which of the following?

Maintains a log of transactions

Maintains before and after database images

Maintains appropriate concurrency control

All of the above

Discuss

Answer: (d).All of the above

Q4.

Location transparency allows for which of the following?

Users to treat the data as if it is at one location

Programmers to treat the data as if it is at one location

Managers to treat the data as if it is at one location

All of the above

Discuss

Answer: (d).All of the above

Q5.

A heterogeneous distributed database is which of the following?

The same DBMS is used at each location and data are not distributed across all nodes.

The same DBMS is used at each location and data are distributed across all nodes.

A different DBMS is used at each location and data are not distributed across all nodes.

A different DBMS is used at each location and data are distributed across all nodes.

Discuss

Answer: (d).A different DBMS is used at each location and data are distributed across all nodes.

Q6.

Some of the columns of a relation are at different sites is which of the following?

Data Replication

Horizontal Partitioning

Vertical Partitioning

Horizontal and Vertical Partitioning

Discuss

Answer: (c).Vertical Partitioning

Q7.

Which of the following is true concerning a global transaction?

The required data are at one local site and the distributed DBMS routes requests as necessary.

The required data are located in at least one nonlocal site and the distributed DBMS routes requests as necessary.

The required data are at one local site and the distributed DBMS passes the request to only the local DBMS.

The required data are located in at least one nonlocal site and the distributed DBMS passes the request to only the local DBMS.

Discuss

Answer: (b).The required data are located in at least one nonlocal site and the distributed DBMS routes requests as necessary.

Q8.

A homogeneous distributed database is which of the following?

The same DBMS is used at each location and data are not distributed across all nodes.

The same DBMS is used at each location and data are distributed across all nodes.

A different DBMS is used at each location and data are not distributed across all nodes.

A different DBMS is used at each location and data are distributed across all nodes.

Discuss

Answer: (b).The same DBMS is used at each location and data are distributed across all nodes.

Q9.

Replication should be used when which of the following exist?

When transmission speeds and capacity in a network prohibit frequent refreshing of large tables.

When using many nodes with different operating systems and DBMSs and database designs.

The application's data can be somewhat out-of-date.

All of the above.

Discuss

Answer: (c).The application's data can be somewhat out-of-date.

Q10.

Storing a separate copy of the database at multiple locations is which of the following?

Data Replication

Horizontal Partitioning

Vertical Partitioning

Horizontal and Vertical Partitioning

Discuss

Answer: (a).Data Replication

Page 1 of 5

Welcome to the Distributed Databases MCQs Page

Distributed Databases MCQs | Page 1 of 5

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

Recovery System

SQL

Data Warehousing and Data Mining

RDBMS

Advanced SQL

SQL Queries,Constraints and Triggers

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