M2.3 Computer Networks

1. Answer each question and wait for the feedback from Mr. AI.
2. Read the feedback and learn from it.
3. Then continue to the next question.
4. Try to gain as many points as you can.

• DO NOT COPY-PASTE >>> USE YOUR OWN WORDS.
• You will LOSE POINTS on pasting answers.

What is a computer network, and why is it important in today's technological environment?

Explain the difference between LAN, WLAN, WAN, and PAN types of networks. Give examples of where each network type is being used.

Explain the terms WiFi, 2G, 3G, 4G, and 5G services. What are the main differences between them?

Explain the different wired connections of computer networks.

• Unshielded Twisted Pairs (UTP)
• Optic Fiber
• Universal Serial Bus (USB) Explain how each cable type works, where it is used, advantages and disadvantages.

What does the term Peer-to-Peer (P2P) mean and when is it used?

What is the role of a ROUTER in a computer network? What is the difference between a ROUTER and a MODEM?

What is the role of a REPEATER in a network?

What are the main functions of a network SWITCH, and how does it differ from a HUB? What is the role of a network BRIDGE?

What is the role of a network SERVER?

Explain the following term and give EXAMPLES for each one:

• IP address
• URL
• Domain name
• WWW
• HTML

Explain what is ISP and give examples of ISPs in Thailand

What is cloud computing? List the advantages and disadvantages of cloud computing.