Computer Networking Quiz
Free practice quiz on Computer Networking Quiz with detailed solutions for government exam preparation.
About This Quiz
Computer Networking Quiz — Questions with Solutions
All 25 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.LAN stands for:
- A.Local Area Network
- B.Large Area Network
- C.Linked Area Network
- D.Local Access Node
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Answer: A. Local Area Network
LAN stands for Local Area Network.
Q2.WAN stands for:
- A.Wide Area Network
- B.Wired Access Network
- C.Web Area Network
- D.Wireless Application Network
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Answer: A. Wide Area Network
WAN stands for Wide Area Network.
Q3.Which device connects multiple computers in a network and forwards data based on MAC addresses?
- A.Switch
- B.Modem
- C.Scanner
- D.Printer
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Answer: A. Switch
A switch forwards data to specific devices using MAC addresses.
Q4.Which device is used to connect different networks together?
- A.Router
- B.Keyboard
- C.Monitor
- D.Speaker
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Answer: A. Router
A router connects and routes traffic between different networks.
Q5.The full form of IP is:
- A.Internet Protocol
- B.Internal Program
- C.Internet Program
- D.Internal Protocol
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Answer: A. Internet Protocol
IP stands for Internet Protocol.
Q6.Which network topology connects all computers to a single central cable?
- A.Bus topology
- B.Star topology
- C.Ring topology
- D.Mesh topology
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Answer: A. Bus topology
In bus topology, all nodes connect to one central cable (the bus).
Q7.In a star topology, all devices are connected to a:
- A.Central hub/switch
- B.Single shared cable only
- C.Ring of cables
- D.No central device
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Answer: A. Central hub/switch
Star topology has all nodes connected to a central hub or switch.
Q8.The full form of DNS is:
- A.Domain Name System
- B.Data Network Service
- C.Direct Network System
- D.Domain Network Server
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Answer: A. Domain Name System
DNS stands for Domain Name System.
Q9.Which protocol is commonly used to transfer files over the internet?
- A.FTP
- B.HTTP only
- C.SMTP
- D.POP3
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Answer: A. FTP
FTP (File Transfer Protocol) is used for transferring files.
Q10.The full form of TCP/IP is:
- A.Transmission Control Protocol/Internet Protocol
- B.Total Control Program/Internet Process
- C.Transfer Control Protocol/Internal Program
- D.Transmission Control Process/Internet Program
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Answer: A. Transmission Control Protocol/Internet Protocol
TCP/IP stands for Transmission Control Protocol/Internet Protocol.
Q11.Which of the following is a wireless networking technology?
- A.Wi-Fi
- B.Ethernet cable
- C.Coaxial cable
- D.Optical fiber only
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Answer: A. Wi-Fi
Wi-Fi enables wireless network connectivity.
Q12.A MAC address is used to uniquely identify a:
- A.Network device/interface
- B.Software license
- C.File format
- D.Email account
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Answer: A. Network device/interface
MAC addresses uniquely identify network interface hardware.
Q13.Which port number is commonly used for HTTP traffic?
- A.21
- B.25
- C.80
- D.110
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Answer: C. 80
Port 80 is the standard port for HTTP.
Q14.The full form of VPN is:
- A.Virtual Private Network
- B.Verified Public Network
- C.Virtual Public Node
- D.Verified Private Node
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Answer: A. Virtual Private Network
VPN stands for Virtual Private Network.
Q15.Bandwidth in networking refers to:
- A.The data transfer capacity of a network
- B.The physical length of a cable
- C.The colour of network cables
- D.The brand of a router
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Answer: A. The data transfer capacity of a network
Bandwidth measures how much data can be transmitted over a network.
Q16.Which device amplifies or regenerates a weakening signal in a network?
- A.Repeater
- B.Printer
- C.Scanner
- D.Monitor
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Answer: A. Repeater
A repeater boosts signals to extend network range.
Q17.The full form of HTTP is:
- A.HyperText Transfer Protocol
- B.HyperText Transmission Process
- C.High Transfer Text Protocol
- D.HyperText Technical Protocol
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Answer: A. HyperText Transfer Protocol
HTTP stands for HyperText Transfer Protocol.
Q18.Which of these is a secure version of HTTP?
- A.HTTPS
- B.FTP
- C.SMTP
- D.DNS
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Answer: A. HTTPS
HTTPS adds encryption (SSL/TLS) to standard HTTP.
Q19.A network confined to a small geographical area, like an office, is called a:
- A.WAN
- B.LAN
- C.MAN only
- D.Internet
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Answer: B. LAN
A LAN covers a small area such as a home, school or office.
Q20.In Wi-Fi networks, the SSID refers to the:
- A.Service Set Identifier (network name)
- B.Security key length
- C.IP address range
- D.Router's brand name
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Answer: A. Service Set Identifier (network name)
SSID is the name identifying a wireless network.
Q21.Which layer of networking is mainly responsible for routing data between networks?
- A.Network layer
- B.Physical layer only
- C.Application layer only
- D.Session layer only
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Answer: A. Network layer
The network layer (e.g., in the OSI model) handles routing.
Q22.The full form of URL is:
- A.Uniform Resource Locator
- B.Universal Resource Link
- C.Uniform Retrieval Link
- D.Universal Reference Locator
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Answer: A. Uniform Resource Locator
URL stands for Uniform Resource Locator.
Q23.Which device typically connects a home LAN to the internet?
- A.Router
- B.Keyboard
- C.Mouse
- D.Speaker
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Answer: A. Router
A router connects local networks to external networks like the internet.
Q24.A firewall in a network is primarily used for:
- A.Security and blocking unauthorized access
- B.Increasing screen resolution
- C.Printing documents
- D.Charging devices
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Answer: A. Security and blocking unauthorized access
Firewalls protect networks by filtering unauthorized traffic.
Q25.Bluetooth is an example of which type of network?
- A.Personal Area Network (PAN)
- B.Wide Area Network (WAN)
- C.Metropolitan Area Network (MAN)
- D.Campus Area Network (CAN)
Show answer
Answer: A. Personal Area Network (PAN)
Bluetooth connects devices over short range, forming a PAN.
Frequently Asked Questions
Is Computer Networking Quiz free to attempt on AajExam?
Yes. Computer Networking Quiz is completely free. You only need a free AajExam account to track your score, view detailed solutions and unlock cross-attempt analytics.
How long does it take to complete Computer Networking Quiz?
Computer Networking Quiz runs on a 25-minute timer in real exam-style conditions. The clock starts the moment you click Start, mirroring the time pressure of the actual exam.
Are detailed solutions provided?
Yes. Every question on Computer Networking Quiz ships with a complete step-by-step solution, the underlying concept, and (where applicable) shortcut tricks. You can also discuss any question with the AajExam community.
Can I attempt Computer Networking Quiz multiple times?
Yes. You can attempt this quiz as many times as you like. Each attempt is recorded separately so you can track improvement in score, accuracy and time-management.
Which government exams does this quiz prepare me for?
networking questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.