Operating Systems The NET & The WEB Quiz

What is the main function of an operating system?

• Managing how data is received from input devices and sent to output devices

• Managing the hardware and how it interfaces with other programs

• Managing the file system on the computer

• Controlling access and security

Answer explanation

The main function of an operating system is managing how data is received from input devices and sent to output devices.

Who invented the World Wide Web?

• Mark Zuckerberg

• Tim Berners-Lee

• Steve Jobs

• Bill Gates

Answer explanation

Tim Berners-Lee is the inventor of the World Wide Web, not Mark Zuckerberg, Steve Jobs, or Bill Gates.

What does the TCP protocol do?

• Handles the creation of data packets and their routing across the network

• Connects two networks with different protocols

• Ensures reliable transportation of binary information between computers

• Manages the flow of data around a WiFi network

Answer explanation

The TCP protocol ensures reliable transportation of binary information between computers, making it the correct choice.

What does the URL stand for?

• Unique Resource Locator

• Universal Resource Link

• Unified Resource Link

• Uniform Resource Locator

Answer explanation

The URL stands for Uniform Resource Locator, which is used to specify addresses on the World Wide Web.

What is the main difference between the Internet and the World Wide Web?

• The Web is a network of connected computers, while the Internet is a system of connected files hosted on the Web

• The Internet and the Web are the same thing

• The Internet is a network of connected computers, while the Web is a system of connected files hosted on the Internet

• The Internet is a system of connected files hosted on the Web, while the Web is a network of connected computers

Answer explanation

The main difference between the Internet and the World Wide Web is that the Internet is a network of connected computers, while the Web is a system of connected files hosted on the Internet.

What is the client-server model?

• A model where the server controls the client's hardware

• A model where the client and server communicate to exchange data and resources

• A model where the server issues requests to the client for data transmission

• A model where the client is the main computer and the server is a secondary device

Answer explanation

The client-server model is a model where the client and server communicate to exchange data and resources, making it the correct choice.

What is cloud computing?

• Accessing data only through local networks

• Storing data on physical servers within an organization

• Storing, processing, and accessing data over the Internet on servers designed for these purposes

• Using cloud-shaped devices for data storage

Answer explanation

Cloud computing involves storing, processing, and accessing data over the Internet on servers designed for these purposes, not just through local networks or physical servers within an organization.

What is the function of a repeater?

• Forward data packets between computer networks

• Create a single network from multiple network segments

• Receive data and re-transmit it

• Forward data only to devices that need to receive it

Answer explanation

A repeater receives data signals and re-transmits them to extend the reach of a network without altering the content, helping to overcome signal degradation and distance limitations.

What does the protocol layer IP handle?

• Managing the flow of data around a WiFi network

• Creating the data packets and routing them around the network using IP addresses

• Handling the creation of data packets and their routing across the network

• Ensuring reliable transportation of binary information between computers

Answer explanation

The correct choice involves creating data packets and routing them around the network using IP addresses, which is the primary function of the IP protocol layer.

What is the purpose of a firewall in a computer network?

• To prevent unauthorized access and control the flow of data

• To increase the speed of data transmission

• To store large amounts of data

• To manage the hardware components of the network

Answer explanation

The purpose of a firewall in a computer network is to prevent unauthorized access and control the flow of data.