CS150

What is a computer network?

• A computer network is a collection of unrelated devices.
• A computer network is a single computer with multiple users.
• A computer network is a system of interconnected computers and devices that can communicate and share resources.
• A computer network is a type of software application.

Which of the following is NOT typically a device that can form a network?

• Router
• Switch
• Modem
• Keyboard

What is the main difference between a LAN and a WAN?

• The main difference is that a LAN covers a small area while a WAN covers a large area.
• A WAN is used only for home networks.
• A LAN is faster than a WAN regardless of distance.
• A LAN connects multiple countries while a WAN connects local devices.

What does the term "bit rate" refer to in internet connectivity?

• The term 'bit rate' refers to the amount of data stored on a device.
• The term 'bit rate' refers to the speed of data transmission in bits per second (bps) in internet connectivity.
• Bit rate is the total number of devices connected to the internet.
• Bit rate indicates the physical distance between two network nodes.

Which of the following is a duty of a network professional?

• Managing and maintaining network infrastructure.
• Providing technical support for end-users.
• Conducting market research for IT products.
• Designing user interfaces for applications.

Which is NOT a computer threat?

• Ransomware threat
• Phishing attempt
• Malware attack
• Software update