MCQ Quiz - Class 8 - Networks
MCQ Quiz — Networks
Test Your Knowledge — Think, Learn & Grow! This comprehensive quiz contains 20 Multiple Choice Questions covering all essential Networks concepts — from basic definitions to topologies, devices, and protocols. Check your answers, learn from explanations, and become a networking pro!
Quiz Instructions
Read Carefully
- ✓ 20 Multiple Choice Questions (MCQs).
- ✓ Each question has four options (A, B, C, D).
- ✓ Choose the correct option.
- ✓ Each correct answer = 5 Marks.
- ✓ Total Marks = 100.
- ✓ Duration: 30-40 minutes.
What is a Network?
A Network is a group of two or more computers or devices connected together to share data, resources, and information.
Key Points to Remember
Essentials
- ✅ Share resources and data.
- ✅ Improve communication.
- ✅ Save time and effort.
- ✅ Cost-effective.
- ✅ Access information easily.
- ✅ Used in homes, schools, offices worldwide.
Types of Networks (Quick Recap)
| Type | Full Form | Coverage |
|---|---|---|
| LAN | Local Area Network | Home, school, office |
| MAN | Metropolitan Area Network | Within a city |
| WAN | Wide Area Network | Country to country (Internet) |
| PAN | Personal Area Network | Personal devices |
Part 1: Basics (Questions 1-5)
Question 1
What is a network?
A. A single computer
B. A group of connected devices
C. A printing machine
D. An offline system
Question 2
Which of the following is an example of a LAN?
A. The Internet
B. A city network
C. School computer lab
D. Mobile network
Question 3
Which network covers the largest area?
A. LAN
B. MAN
C. WAN
D. PAN
Question 4
Which device is used to connect different networks?
A. Hub
B. Switch
C. Router
D. Printer
Question 5
Which topology uses a central device to connect all nodes?
A. Bus
B. Ring
C. Star
D. Mesh
Part 2: Topologies & Devices (Questions 6-10)
Question 6
Which topology is shaped like a circle?
A. Star
B. Bus
C. Ring
D. Tree
Question 7
Which device acts like a traffic controller in a network?
A. Switch
B. Hub
C. Router
D. NIC
Question 8
What does NIC stand for?
A. Network Information Card
B. Network Interface Card
C. Network Internal Card
D. Network Internet Card
Question 9
Which device broadcasts data to all connected devices?
A. Switch
B. Router
C. Hub
D. Modem
Question 10
Which network type is used in a Bluetooth connection?
A. LAN
B. WAN
C. PAN
D. MAN
Part 3: Internet Services & Protocols (Questions 11-15)
Question 11
Which service is used to send and receive emails?
A. WWW
B. FTP
C. E-mail
D. Telnet
Question 12
Which protocol is used for sending e-mails?
A. HTTP
B. SMTP
C. FTP
D. TCP
Question 13
What is the full form of WWW?
A. World Wide Web
B. World Wide Work
C. Web Wide World
D. Web World Wide
Question 14
Which protocol is used for transferring files?
A. HTTP
B. FTP
C. SMTP
D. IP
Question 15
An IP address is used to:
A. Identify a device on the network
B. Increase computer speed
C. Print documents
D. Delete files
Part 4: Advanced Concepts (Questions 16-20)
Question 16
Which of the following is a wired media?
A. Wi-Fi
B. Bluetooth
C. Twisted pair cable
D. Infrared
Question 17
Which topology is the most reliable?
A. Bus
B. Ring
C. Mesh
D. Star
Question 18
Which network connects a house or building?
A. LAN
B. MAN
C. WAN
D. PAN
Question 19
Which device connects many devices in a network?
A. Switch
B. Modem
C. Scanner
D. Speaker
Question 20
The Internet is an example of:
A. LAN
B. MAN
C. WAN
D. PAN
Complete Answer Key
| Q.No. | Answer | Q.No. | Answer |
|---|---|---|---|
| 1 | B | 11 | C |
| 2 | C | 12 | B |
| 3 | C | 13 | A |
| 4 | C | 14 | B |
| 5 | C | 15 | A |
| 6 | C | 16 | C |
| 7 | C | 17 | C |
| 8 | B | 18 | A |
| 9 | C | 19 | A |
| 10 | C | 20 | C |
Network Devices Quick Reference
| Device | Function |
|---|---|
| Router | Connects different networks and forwards data |
| Switch | Connects devices in a LAN and sends data to correct device |
| Hub | Connects devices and sends data to all devices |
| NIC | Connects a computer to the network |
| Modem | Connects your network to the Internet |
| Gateway | Connects different types of networks |
| Bridge | Connects two similar networks |
Top Tips for Networks
Safety Tips
- ⭐ Use strong passwords.
- ⭐ Do not share personal information.
- ⭐ Do not open unknown links.
- ⭐ Use antivirus and firewall.
- ⭐ Keep your data safe and backup regularly.
- ⭐ Log out from public devices.
- ⭐ Update software regularly.
- ⭐ Be aware of phishing attempts.
Score Yourself
| Score | Grade | Comment |
|---|---|---|
| 90-100 | A+ (Excellent) | Network Genius! 🏆 |
| 75-89 | A (Very Good) | Great knowledge! 🌟 |
| 60-74 | B (Good) | Well done! 👍 |
| 50-59 | C (Average) | Keep learning! 📚 |
| Below 50 | D (Needs Improvement) | Review the chapter! 💪 |
Did You Know?
Fun Fact
The Internet was invented in the 1960s! Vint Cerf and Robert Kahn are known as the "Fathers of the Internet" — they invented the TCP/IP protocol that makes the modern Internet possible.
Bonus Revision Points
| Concept | Details |
|---|---|
| Node | Any device connected to a network |
| Server | Provides services to other computers |
| Client | Requests services from server |
| Bandwidth | Amount of data that can be sent per second |
| Protocol | Rules for communication between devices |
| Firewall | Protects network from attacks |
| DNS | Translates domain names to IP addresses |
Key Takeaways
- Network = group of connected devices.
- 4 types: LAN, MAN, WAN, PAN.
- Key devices: Router, Switch, Hub, NIC, Modem.
- 5 topologies: Bus, Star, Ring, Mesh, Tree.
- IP address identifies devices on network.
- Common protocols: HTTP, FTP, SMTP, TCP/IP.
- Internet is the largest WAN.
- Bluetooth uses PAN.
- Mesh is the most reliable topology.
- Always follow Internet safety rules!
Key Takeaway
Networks connect devices and people! They
help us share information, work better, and live in a
connected world.
Congratulations on completing this Networks MCQ Quiz!
Whether you scored 100 or need more practice, keep
learning. Every question you answer builds your
understanding of how our connected world works.
Test Your Knowledge — Think, Learn &
Grow!
⭐ CONNECTING DEVICES, SHARING WORLD! ⭐
Best of Luck! Practice more, understand
better, and build a strong foundation for your bright
future! 👍😊
Flowchart → Visual Thinking → Smart Solutions → Better
Results! 🚀
MCQ Quiz — Networks — Part 2
Test Your Knowledge — Think, Learn & Grow! Ready for Part 2? This quiz contains 20 brand new questions (Q21-Q40) — no repeats from Part 1! Test your understanding of security, protocols, devices, and more. Complete answer key with detailed explanations included.
Quiz Instructions
Read Carefully
- ✓ 20 new Multiple Choice Questions (Q21-Q40).
- ✓ Each question has four options (A, B, C, D).
- ✓ Choose the correct option.
- ✓ Each correct answer = 5 Marks.
- ✓ Total Marks = 100.
- ✓ Duration: 30-40 minutes.
- ✓ Topics: Security, protocols, services, applications.
Section 1: Security & Web (Q21-Q25)
Question 21
What is the main function of a Firewall?
A. To speed up Internet
B. To protect network from unauthorized access
C. To print documents
D. To play games
Question 22
Which of the following is a wireless technology?
A. Ethernet cable
B. Fiber optic
C. Wi-Fi
D. Coaxial cable
Question 23
What does URL stand for?
A. Uniform Resource Locator
B. Universal Reference Link
C. Uniform Reference Link
D. Universal Resource Locator
https://www.google.com.
Question 24
Which protocol is used for secure web browsing?
A. HTTP
B. FTP
C. HTTPS
D. SMTP
Question 25
What is the meaning of Bandwidth?
A. Cable length
B. Amount of data transferred per second
C. Number of users
D. Network size
Section 2: Devices & Services (Q26-Q30)
Question 26
Which cable is used in Ethernet?
A. Coaxial
B. Twisted Pair
C. Optical Fiber only
D. Radio
Question 27
What is a Server?
A. A client computer
B. A powerful computer providing services
C. A network cable
D. A printer
Question 28
Which of the following is a search engine?
A. Gmail
B. Google
C. Facebook
D. WhatsApp
Question 29
What is the use of DNS?
A. To send emails
B. To translate domain names to IP addresses
C. To create websites
D. To download files
Question 30
Which of the following is a social media platform?
A. Google Chrome
B. Facebook
C. Notepad
D. Calculator
Section 3: Topology & Internet (Q31-Q35)
Question 31
Which topology has no central device?
A. Star
B. Bus
C. Tree
D. Extended Star
Question 32
What is the full form of ISP?
A. Internet Service Provider
B. Internal Service Provider
C. Internet Service Program
D. Internal Software Program
Question 33
Which of these is NOT an Internet browser?
A. Chrome
B. Firefox
C. Safari
D. MS Word
Question 34
What is Cybercrime?
A. Legal work online
B. Crime done using computers/Internet
C. A network topology
D. A network device
Question 35
Which of the following is used to identify a website?
A. IP address
B. Domain Name
C. Network Cable
D. Router
Section 4: Advanced Concepts (Q36-Q40)
Question 36
Which of these is a video calling service?
A. Google Meet
B. Notepad
C. Paint
D. Calculator
Question 37
What is Uploading?
A. Downloading files
B. Sending files from your device to a server
C. Playing music
D. Printing
Question 38
What is Downloading?
A. Sending files
B. Receiving files from server to your device
C. Deleting files
D. Making files
Question 39
Which of the following is used to prevent virus attacks?
A. Antivirus software
B. Speaker
C. Printer
D. Scanner
Question 40
Which is NOT a network device?
A. Router
B. Switch
C. Hub
D. Mouse
Complete Answer Key
| Q.No. | Answer | Q.No. | Answer |
|---|---|---|---|
| 21 | B | 31 | B |
| 22 | C | 32 | A |
| 23 | A | 33 | D |
| 24 | C | 34 | B |
| 25 | B | 35 | B |
| 26 | B | 36 | A |
| 27 | B | 37 | B |
| 28 | B | 38 | B |
| 29 | B | 39 | A |
| 30 | B | 40 | D |
Network Devices Quick Reference
| Device | Function |
|---|---|
| Router | Connects different networks and forwards data |
| Switch | Connects devices in a LAN |
| Hub | Broadcasts data to all devices |
| NIC | Connects computer to the network |
| Modem | Connects your network to the Internet |
| Firewall | Protects network from unauthorized access |
Top Tips for Networks
Safety Tips
- ⭐ Use strong passwords.
- ⭐ Do not share personal information.
- ⭐ Do not open unknown links.
- ⭐ Use antivirus and firewall.
- ⭐ Keep data safe and backup regularly.
- ⭐ Watch for phishing emails.
- ⭐ Only use HTTPS websites for sensitive info.
- ⭐ Log out from public devices.
Score Yourself
| Score | Grade | Comment |
|---|---|---|
| 90-100 | A+ (Excellent) | Network Genius! 🏆 |
| 75-89 | A (Very Good) | Great knowledge! 🌟 |
| 60-74 | B (Good) | Well done! 👍 |
| 50-59 | C (Average) | Keep learning! 📚 |
| Below 50 | D (Needs Improvement) | Review the chapter! 💪 |
Did You Know?
Fun Fact
The Internet was invented in the 1960s! Vint Cerf and Robert Kahn are known as the "Fathers of Internet" — they invented TCP/IP, the protocol that makes the modern Internet possible.
Bonus Revision Points
| Term | Meaning |
|---|---|
| Firewall | Security system protecting from unauthorized access |
| Wi-Fi | Wireless technology for network connection |
| URL | Uniform Resource Locator (web address) |
| HTTPS | Secure version of HTTP (encrypted) |
| Bandwidth | Data transfer capacity per second |
| DNS | Translates names to IP addresses |
| ISP | Internet Service Provider |
| Cybercrime | Crime using computers/Internet |
| Antivirus | Software protecting from viruses |
Key Takeaways
- Firewall protects networks from unauthorized access.
- Wi-Fi is wireless; Ethernet is wired.
- URL = Uniform Resource Locator.
- HTTPS is secure; HTTP is not.
- Bandwidth = data transfer speed.
- DNS translates names to IP addresses.
- ISP provides Internet access.
- Cybercrime is a serious issue.
- Antivirus protects from viruses.
- Not all devices connected to networks are network devices!
Key Takeaway
Networks connect devices and people!
They help us share information, work better, and live in
a connected world.
Congratulations on completing Part 2! You've now tested
yourself on 20 more essential questions covering
security, protocols, devices, and services. Keep
practicing and mastering networks!
Remember: Learn Today, Lead Tomorrow!
Keep Exploring, Keep Growing! 🌱
⭐ CONNECTING DEVICES, SHARING WORLD! ⭐
Best of Luck! Practice more, understand
better, and build a strong foundation for your bright
future! 👍😊
Flowchart → Visual Thinking → Smart Solutions → Better
Results! 🚀
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