Com Net Bliss

What is a computer network?

• A single computer system

• A group of interconnected computers

• A type of programming language

• A physical storage device

Which of the following is NOT a benefit of networking?

• Resource sharing

• Increased costs

• Improved communication

• Remote access

What type of network spans a small area, like a home or office?

• WAN

• MAN

• HAN

• VPN

What does VPN stand for?

• Virtual Personal Network

• Virtual Private Network

• Verified Public Network

• Variable Private Node

Which of the following is a disadvantage of computer networks?

• Increased efficiency

• Security risks

• Cost reduction

• Better collaboration

What network device is used to connect multiple networks together?

• Switch

• Router

• Hub

• Modem

Which type of cable is most commonly used in Ethernet networks?

• Coaxial cable

• Fiber optic cable

• Twisted pair cable

• Serial cable

What is the function of a modem?

• Converts digital signals to analog and vice versa

• Amplifies signals

• Creates private networks

• Stores data

What does encryption do?

• Converts data into a readable format

• Hides data by making it unreadable

• Deletes sensitive data

• Compresses files

What is the main difference between LAN and WAN?

• LAN covers a larger area than WAN

• WAN covers a larger area than LAN

• LAN requires the internet, while WAN does not

• LAN connects multiple countries, while WAN is limited to one building