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What is a 'network' in terms of IT?

What is the main advantage of 'DSL' (Digital Subscriber Line) over dial-up?

Chapter 3

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1
What is the main advantage of 'DSL' (Digital Subscriber Line) over dial-up?
It uses wireless communication rather than cables
It is cheaper than dial-up
It offers faster download and upload speeds than dial-up
It is used for satellite communication
2
What is a 'network' in terms of IT?
A system that stores and manages data efficiently
A set of protocols used for secure data transmission
A group of interconnected devices that can communicate and share resources
A type of database used to store large amounts of information
3
Which of the following is a characteristic of a 'dial-up' connection?
It is a high-speed internet service commonly used in urban areas
Uses fiber optics for fast data transmission
Requires a modem to connect to the internet over a phone line
It is primarily used for mobile internet connections
4
Which of the following best defines 'communication' in the context of information technology?
The process of storing data on a server
The method of programming software applications
The process of sharing data between devices
The encryption of information for security purposes
5
Which of the following describes 'IT security'?
A method for creating communication channels
Storing information in a secure database
Protection of IS from unauthorized access, use, or modification
The process of networking between computers