LAN usually covers
- A. many continents by definition
- B. a room, lab or campus
- C. only satellites
- D. only radio stations
View the correct answer
Correct option: B — a room, lab or campus
Local Area Network — school computer lab is a typical LAN.
Class 9 · कंप्यूटर · 255+ Q&A
Class 9 Computer — Networking Important Questions with Answers
IT basics, hardware, software, internet safety and MS Office for Class 9. Showing 20 of 25 on page 1 / 2.
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- MCQ टेस्ट दें — उत्तर पहले छिपा है
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- अगला पेज · एक स्क्रीन पर 20 प्रश्न
All chapters
1. Hardware
2. Software
3. Operating System
4. Memory and Storage
5. Input and Output
6. Networking
7. Internet and Email
8. Cyber Safety
9. MS Office
10. Number System
11. IPR and Digital Ethics
Page 1 of 2 · 25 questions in this view
WAN means
- A. Weak Area Node
- B. Wide Area Network
- C. Windows Auto Note
- D. Wire Always New
View the correct answer
Correct option: B — Wide Area Network
The internet is the largest WAN example in class talk.
MAN typically stands for
- A. Main Arithmetic Node
- B. Metropolitan Area Network
- C. My Android Net
- D. Mail Always Nil
View the correct answer
Correct option: B — Metropolitan Area Network
City-wide network, between LAN and WAN.
A modem is used to
- A. staple paper
- B. modulate/demodulate signals for data over a line or wireless link
- C. scan books only
- D. draw slides
View the correct answer
Correct option: B — modulate/demodulate signals for data over a line or wireless link
Home broadband boxes combine modem and router functions.
Wi-Fi is
- A. a type of printer ink
- B. wireless local networking using radio
- C. a programming loop
- D. a virus name only
View the correct answer
Correct option: B — wireless local networking using radio
It still needs a password and responsible use.
IP address identifies
- A. the colour of the cabinet
- B. a device on a network
- C. the school principal
- D. a font
View the correct answer
Correct option: B — a device on a network
IPv4 looks like 192.168.1.5 in many labs.
Which is a transmission medium?
- A. MS Word
- B. Optical fibre cable
- C. Recycle Bin
- D. ALU
View the correct answer
Correct option: B — Optical fibre cable
Twisted pair, coaxial and fibre are guided media.
A switch in a LAN
- A. writes essays
- B. forwards frames to the needed port more efficiently than a simple hub
- C. is only a light bulb
- D. deletes the OS
View the correct answer
Correct option: B — forwards frames to the needed port more efficiently than a simple hub
Class 9 needs the idea, not vendor commands.
PAN is a
- A. Planet Area Network
- B. Personal Area Network such as Bluetooth headset to phone
- C. Public Algebra Net
- D. Print Always Now
View the correct answer
Correct option: B — Personal Area Network such as Bluetooth headset to phone
Very short range.
Upload means
- A. bringing a file from internet to your PC
- B. sending a file from your device to a server
- C. printing only
- D. defragment only
View the correct answer
Correct option: B — sending a file from your device to a server
Download is the opposite direction.
Download is
- A. sending mail to BCC only
- B. receiving a file onto your device
- C. formatting ROM
- D. starting F5
View the correct answer
Correct option: B — receiving a file onto your device
Opposite of upload.
Twisted-pair cable is common in
- A. school LAN wall points (Ethernet)
- B. only undersea volcanoes
- C. CPU registers
- D. PowerPoint themes
View the correct answer
Correct option: A — school LAN wall points (Ethernet)
RJ-45 connectors are a familiar lab sight.
Latency on a network is
- A. the colour of the cable
- B. delay in data travel
- C. the school bell
- D. a font
View the correct answer
Correct option: B — delay in data travel
Low latency is better for calls.
Which device connects different networks, often to the internet?
- A. Scanner
- B. Router
- C. Joystick
- D. Plotter
View the correct answer
Correct option: B — Router
Home Wi-Fi router is the everyday example.
Which is unguided media?
- A. Optical fibre
- B. Radio / infrared / satellite waves
- C. Twisted pair
- D. Coaxial
View the correct answer
Correct option: B — Radio / infrared / satellite waves
No physical wire between the two antennas.
Bandwidth is roughly
- A. the width of the lab door
- B. how much data can pass in a given time
- C. the RAM colour
- D. a font size
View the correct answer
Correct option: B — how much data can pass in a given time
Often spoken in Mbps for home links.
Peer-to-peer network means
- A. one main server always required
- B. computers share as equals without a dedicated server
- C. only printers connected
- D. only WANs
View the correct answer
Correct option: B — computers share as equals without a dedicated server
A small lab can be P2P; larger schools use client-server.
Differentiate LAN, MAN and WAN with examples.
View the correct answer
LAN: lab or campus (school Ethernet). MAN: a city network. WAN: large distances; the internet is the biggest everyday WAN. Speed, ownership and area increase as we go from LAN to WAN. Wi-Fi can be part of a LAN.
What do modem and router do?
View the correct answer
A modem converts signals so data can travel on the ISP link. A router forwards packets between networks and often shares one internet connection among many lab PCs. Home boxes may combine both. Students need the roles, not brand menus.
What is an IP address? Give a typical private example.
View the correct answer
It is a numeric label that identifies a device on a network so packets can be delivered. Many school labs use private IPv4 such as 192.168.0.10. It is not a home postal address and should not be confused with an email id.
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Class 9 Computer में कितने प्रश्न हैं? 255 महत्वपूर्ण प्रश्न: 174 MCQ, 50 लघु, 31 दीर्घ।
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