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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.

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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 3 of 5

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Q21.
Which of the following is true concerning QBE?

a.

An official standard has been defined for QBE.

b.

QBE cannot be used for client/server systems.

c.

QBE does not give the programmer a visual programming environment.

d.

Complete applications can be written using QBE.

Discuss
Answer: (d).Complete applications can be written using QBE.
Q22.
Which of the following statements is a true statement concerning the open database connectivity standard (ODBC)?

a.

Each vendor desiring to be ODBC-complaint provides an ODBC driver.

b.

Requires certain criteria to be met in order to establish an ODBC connection.

c.

Provides a programming interface that provides a common language for application programs to access and process SQL databases independent of the RDBMS accessed.

d.

All of the above.

Discuss
Answer: (d).All of the above.
Q23.
Which of the following statements is true concerning JDBC?

a.

It is language independent.

b.

It is similar in concept to ODBC.

c.

It is useful for all object-oriented languages.

d.

It consists of three main layers.

Discuss
Answer: (b).It is similar in concept to ODBC.
Q24.
A characteristic of a file server is which of the following?

a.

Manages file operations and is shared on a network.

b.

Manages file operations and is limited to one PC.

c.

Acts as a fat client and is shared on a network.

d.

Acts as a fat client and is limited to one PC.

Discuss
Answer: (a).Manages file operations and is shared on a network.
Q25.
Three-tier architecture includes which of the following?

a.

Three server layers

b.

A client layer and two server layers

c.

Two client layers and one server layer

d.

Three client layers

Discuss
Answer: (b).A client layer and two server layers
Q26.
A database server is responsible for which of the following?

a.

Database storage

b.

Data processing logic

c.

Data presentation logic

d.

All of the above.

Discuss
Answer: (a).Database storage
Q27.
A benefit of the three-tier architecture is which of the following?

a.

New modules can be built to support specific business needs

b.

Performance improves for compiled SQL statements

c.

Results in a thinner client and database server

d.

All of the above.

Discuss
Answer: (a).New modules can be built to support specific business needs
Q28.
Which of the following statements is true about symmetric multiprocessing?

a.

A single copy of the operating system resides in each processor.

b.

Useful for situations where data must remain in memory to process.

c.

Bottlenecks increase with uniprocessor systems because tasks are not shared.

d.

The problems of memory contention are unlikely.

Discuss
Answer: (b).Useful for situations where data must remain in memory to process.
Q29.
Client/server security includes which of the following?

a.

Physical security

b.

Change control security

c.

Measures taken to secure all systems

d.

All of the above.

Discuss
Answer: (d).All of the above.
Q30.
An application program interface (API) is which of the following?

a.

The same thing as ODBC.

b.

Middleware that does not provide access to a database.

c.

Middleware that provides access to a database.

d.

The same thing as JDBC.

Discuss
Answer: (c).Middleware that provides access to a database.
Page 3 of 5

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