Types of Information Technology Systems: A Comprehensive Guide for IT Professionals

Question 1

Which of these is a key feature of a distributed IT system?

Accepted Answer

Independent processing

Answer

Centralized control

Answer

Fixed resource allocation

Answer

Limited geographical distribution

Question 2

What is the primary purpose of a distributed system?

Accepted Answer

Sharing resources across multiple computers

Answer

Providing high availability and fault tolerance

Answer

Facilitating remote access to data and applications

Answer

Enhancing security through data encryption

Question 3

In a client-server system, what is the role of a thin client?

Accepted Answer

Providing a user interface and processing user inputs

Answer

Hosting applications and data

Answer

Managing network connections

Answer

Storing user data locally

Question 4

Which application is commonly implemented using distributed systems?

Accepted Answer

Database systems

Answer

Web servers

Answer

E-commerce platforms

Answer

Operating systems

Question 5

Which cloud deployment model combines public and private cloud services?

Accepted Answer

Hybrid cloud

Answer

Public cloud

Answer

Private cloud

Answer

Community cloud

Question 6

Which IT system type features a centralized server handling data and applications, while client devices access and process information?

Accepted Answer

Client-server

Answer

Distributed

Answer

Cloud-based

Question 7

What is a key advantage of cloud-based IT systems?

Accepted Answer

Reduced hardware and maintenance costs

Answer

Enhanced data security

Answer

Limited scalability

Question 8

Within the client-server architecture, which layer is responsible for user-facing information presentation?

Accepted Answer

Client

Answer

Server

Answer

Database

Question 9

When selecting an IT system, which factor should NOT be considered?

Accepted Answer

Brand recognition

Answer

Cost

Answer

Scalability

Answer

Security

Question 10

Which IT system type would be most appropriate for organizations experiencing fluctuating data processing demands?

Accepted Answer

Cloud-based

Answer

Client-server

Answer

Distributed

Question 11

What is the primary purpose of a network operating system (NOS)?

Accepted Answer

To manage network resources and facilitate communication between devices

Answer

To provide a user interface for accessing data and applications

Answer

To safeguard data against unauthorized access

Question 12

Which characteristic is specific to distributed database systems?

Accepted Answer

Data is stored across multiple locations

Answer

Queries are centrally processed

Answer

Data is fully replicated across all nodes

Question 13

What is the primary function of a firewall within an IT system?

Accepted Answer

To prevent unauthorized system access

Answer

To monitor network traffic for suspicious activity

Answer

To encrypt data before it is transmitted

Question 14

What is an information technology (IT) system and what are its key components?

Accepted Answer

A collection of hardware, software, networks, and data that work together to process, store, and retrieve information.

Answer

A tool used to automate tasks and streamline operations in various settings.

Answer

A system used exclusively in large enterprises and not in small businesses or homes.

Answer

A system that primarily focuses on processing and storing data.

Question 15

Which of the following is a disadvantage of distributed systems?

Accepted Answer

Increased complexity

Answer

Reduced reliability

Answer

Limited scalability

Answer

Higher cost

Question 16

Which type of IT system enables multiple computers to share resources and collaborate on tasks without relying on a central server?

Accepted Answer

Peer-to-peer

Answer

Cloud-based

Answer

Client-server

Answer

Distributed

Question 17

Which characteristic is associated with distributed systems?

Accepted Answer

Data is distributed across multiple computers

Answer

Increased reliability

Answer

Centralized processing

Answer

Reduced cost

Question 18

Which type of information technology system allows users to access software and data from any location with an internet connection?

Accepted Answer

Cloud-based system

Answer

Mainframe system

Answer

Client-server system

Answer

Distributed system

Question 19

Which type of IT system is characterized by data and processing being spread across multiple computers or nodes?

Accepted Answer

Distributed system

Answer

Cloud-based system

Answer

Client-server system

Answer

Centralized system

Question 20

Which of the following is an advantage of cloud-based systems?

Accepted Answer

Scalability

Answer

High upfront costs

Answer

Limited customization

Question 21

Which type of IT system is often used to handle large amounts of data in a single location?

Accepted Answer

Mainframe system

Answer

Cloud-based system

Answer

Client-server system

Answer

Distributed system

Question 22

Which type of IT system has a single point of failure if one of its components fails?

Accepted Answer

Centralized system

Answer

Client-server system

Answer

Cloud-based system

Answer

Distributed system

Question 23

Which of the following is a benefit of using distributed systems?

Accepted Answer

Increased reliability and fault tolerance

Answer

Lower performance

Answer

Reduced cost

Question 24

Which of the following is a disadvantage of client-server systems?

Accepted Answer

Network dependency

Answer

Low cost

Answer

High performance