S2 Networks and Security

What is a stand-alone computer?

• A computer connected to a network

• A computer not on a network

• A computer connected to the internet

• A computer used for gaming

Answer explanation

A stand-alone computer is a computer not on a network, operating independently without being connected to other devices or systems.

What is a computer network?

• A set of computers connected together for the purpose of sharing resources.

• A single computer used for personal tasks.

• A group of computers that do not interact with each other.

• A computer used for gaming.

Answer explanation

A computer network is a set of computers connected together for the purpose of sharing resources, making the correct choice the one that mentions this definition.

Which of the following is NOT a resource that can be shared in a computer network?

• The Internet

• Printers

• Files

• Personal diaries

Answer explanation

Personal diaries are not a resource that can be shared in a computer network, unlike the Internet, printers, and files.

Which of the following is a resource that can be shared in a computer network?

• Programs

• Furniture

• Books

• Clothing

Answer explanation

Programs are a resource that can be shared in a computer network, unlike furniture, books, or clothing.

Which type of transmission media is described as having fast transfer speed, being expensive to install, and very secure?

• Wireless

• Optical

• Wired

• Satellite

Answer explanation

Optical transmission media is described as having fast transfer speed, being expensive to install, and very secure, making it the correct choice in this scenario.

Which transmission media is noted for being easy to install and allowing movement of devices?

• Optical

• Wired

• Wireless

• Satellite

Answer explanation

Wireless transmission media is noted for being easy to install and allowing movement of devices, making it the correct choice in this scenario.

Which transmission media is described as having reasonable transfer speed, being inexpensive, but having bulky cables?

• Optical

• Wireless

• Satellite

• Wired

Answer explanation

The correct choice is 'Wired' because it offers reasonable transfer speed, is cost-effective, but has bulky cables.

Which of the following is NOT a characteristic of wireless transmission media?

• Not very secure

• Easy to install

• Allows movement of devices

• Expensive to install

Answer explanation

The correct choice is 'Expensive to install' because wireless transmission media is generally easy to install, allows movement of devices, and can be less secure, but it is not typically expensive to install.

What is a server primarily used for in a network?

• To play games

• To share resources, data, and often security of the clients/nodes

• To watch movies

• To print documents

Answer explanation

To share resources, data, and often security of the clients/nodes

What is a characteristic of a server?

• It is a small, personal computer

• It is a powerful computer system

• It is used only for gaming

• It is used only for printing

Answer explanation

A server is a powerful computer system, not a small personal computer, used only for gaming, or used only for printing.