UNIT 1_1

What is the primary function of the Internet?

• Data processing

• Connecting computers and networks

• Encrypting information

• Controlling hardware devices

Which of the following best describes the Internet?

• A network of applications

• A global system of interconnected networks

• A single private network

• A physical layer technology

Which term refers to the infrastructure that provides services to applications?

• ISP

• Network core

• Network edge

• Protocol

The end systems connected to the Internet are also called:

• Routers

• Hosts

• Switches

• Links

Which protocol is primarily used for web communication?

• FTP

• SMTP

• HTTP

• SNMP

What is a packet-switched network?

• A network that sends data in continuous streams

• A network that divides data into packets for transmission

• A network without routers

• A circuit-switched network

What is the role of an Internet Service Provider (ISP)?

• To provide applications like email and web browsing

• To route data between end systems

• To offer end users access to the Internet

• To secure network connections

What are protocols in the context of the Internet?

• Physical connections between networks

• Rules that govern communication between devices

• Software programs for data processing

• Security algorithms

What is the fundamental characteristic of packet switching?

• Data is transmitted as a continuous stream.

• Data is sent along pre-established paths.

• Data is broken into smaller packets for transmission.

• Data requires dedicated connections.

Which of the following is NOT part of the Internet infrastructure?

• Routers

• Links

• Browsers

• Protocols