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Communication Engineering: Lecture 6 - Communication Network and Internet of Things

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Communication Engineering: Lecture 6 - Communication Network and Internet of Things

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Questions and Answers

What is the main purpose of computer networking?

Processing data efficiently

Minimizing electricity consumption

Enhancing computer security

Sharing information and resources (correct)

Which type of network connects millions of computer networks for data exchange?

Internet (correct)

LAN

MAN

WAN

How can networks be classified based on transmission media?

Fiber-optic and Bluetooth

Wired and Wireless (correct)

Satellite and Cellular

Ethernet and Wi-Fi

What are the two main categories of connections of computers into networks?

Guided (physical) and Unguided (wireless) Signup and view all the answers

What does the acronym LAN stand for in computer networking?

Local Area Network Signup and view all the answers

What is the main purpose of physically connecting computers together using network links?

To make the connections less susceptible to picking up radio frequency information or appliance noise Signup and view all the answers

Which type of cable carries signals of higher frequency and uses outer metallic wrapping as a shield against noise?

Coaxial cable Signup and view all the answers

What is the main disadvantage of optical fibers as compared to other physical connections like twisted pair and coaxial cable?

High cost Signup and view all the answers

In wireless connections, which type uses electromagnetic energy that goes through space instead of along wires or cables?

Infrared Signup and view all the answers

What is the main importance of bandwidth in networking?

To analyze network performance and design new networks Signup and view all the answers