Q1. What does LAN stand for in computer networking?
a) Local Area Network
b) Large Area Network
c) Long Access Network
d) Low Access Network
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Correct Answer: a) Local Area Network
Explanation: LAN stands for Local Area Network, which is a network that connects computers within a limited area such as a home, school, or office building.
Q2. Which of the following is a characteristic of WAN?
a) High-speed connectivity over short distances
b) Typically used within a single building
c) Connects networks across large geographical areas
d) Does not require routers
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Correct Answer: c) Connects networks across large geographical areas
Explanation: WAN, or Wide Area Network, connects multiple LANs over large geographical distances, often using leased telecommunication lines or satellite links.
Q3. What technology does Bluetooth use for communication?
a) Infrared
b) Radio waves
c) Fiber optics
d) Microwaves
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Correct Answer: b) Radio waves
Explanation: Bluetooth uses radio waves to enable short-range wireless communication between devices, typically within a range of 10 meters.
Q4. Which of the following is a common broadband technology?
a) Dial-up
b) Satellite
c) Fiber optic
d) ISDN
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Correct Answer: c) Fiber optic
Explanation: Fiber optic technology is a common form of broadband that provides high-speed internet connectivity using light signals transmitted through glass or plastic fibers.
Q5. Wi-Fi is a technology used for:
a) Long-range communication
b) Connecting to cellular networks
c) Wireless communication within a limited area
d) Satellite communication
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Correct Answer: c) Wireless communication within a limited area
Explanation: Wi-Fi is a wireless networking technology that allows devices to communicate within a limited area, such as a home or office, without the need for physical cables.
Q6. What does ISP stand for in the context of internet services?
a) Internet Service Provider
b) International Service Provider
c) Internal Service Program
d) Internet Security Protocol
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Correct Answer: a) Internet Service Provider
Explanation: ISP stands for Internet Service Provider, which is a company that provides access to the internet to individuals and organizations.
Q7. Which of the following is a common application of the Internet?
a) Local file storage
b) Offline gaming
c) Web browsing
d) LAN networking
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Correct Answer: c) Web browsing
Explanation: Web browsing is a common internet application that allows users to access and navigate web pages on the World Wide Web.
Q8. What is the purpose of DNS in internet networking?
a) To encrypt data transmitted over the internet
b) To assign IP addresses to devices
c) To translate domain names into IP addresses
d) To monitor network traffic
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Correct Answer: c) To translate domain names into IP addresses
Explanation: The Domain Name System (DNS) translates human-readable domain names (like www.example.com) into IP addresses that computers use to identify each other on the network.
Q9. Which protocol is used for secure communication over the internet?
a) HTTP
b) FTP
c) HTTPS
d) SMTP
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Correct Answer: c) HTTPS
Explanation: HTTPS (HyperText Transfer Protocol Secure) is used to secure communication over the internet by encrypting the data transmitted between the user’s browser and the web server.
Q10. What is a URL?
a) Uniform Resource Locator
b) Universal Resource Locator
c) Uniform Resource Link
d) Universal Resource Link
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Correct Answer: a) Uniform Resource Locator
Explanation: URL stands for Uniform Resource Locator, which is a reference or address used to access resources on the internet.