Every Book Back multiple-choice question from Network Cabling (12th Standard Computer Applications, Samacheer Kalvi) — each with the correct option highlighted and a clear, worked explanation. Free to read in English and Tamil.
Q1
ARPANET stands for
- A. American Research Project Agency Network
- B. Advanced Research Project Area Network
- C. Advanced Research Project Agency NetworkCorrect
- D. American Research Programs And Network
Explanation. ARPANET stands for Advanced Research Project Agency Network, which was an early computer network developed by the U.S. government.
Q2
WWW was invented by
- A. Tim Berners LeeCorrect
- B. Charles Babbage
- C. Blaise Pascal
- D. John Napier
Explanation. The World Wide Web was invented by British scientist Tim Berners Lee in 1989.
Q3
Which cable is used in cable TV?
- A. UTP cable
- B. Fibre optics
- C. Coaxial cableCorrect
- D. USB cable
Explanation. Coaxial cable is commonly used to connect television sets to home antennas or cable TV services.
Q4
Expansion of UTP is
- A. Uninterrupted Twisted Pair
- B. Uninterrupted Twisted Protocol
- C. Unshielded Twisted PairCorrect
- D. Universal Twisted Protocol
Explanation. UTP stands for Unshielded Twisted Pair, which is a popular type of twisted pair cabling used in modern networks.
Q5
Which medium is used in the optical fibre cables to transmit data?
- A. Microwave
- B. infra red
- C. lightCorrect
- D. sound
Explanation. Fiber optic cables use pulses of light transmitted through glass strands to transfer data at very high speeds.
Q6
Which of the following is a small peripheral device with a sim slot to connect the computers to Internet?
- A. USB
- B. DonglesCorrect
- C. Memory card
- D. Mobiles
Explanation. A dongle is a small peripheral device with a SIM slot that connects a computer to mobile broadband networks, acting as a modem.
Q7
Which connector is used in the Ethernet cables?
- A. RJ11
- B. RJ21
- C. RJ61
- D. RJ45Correct
Explanation. RJ45 is the standard registered jack connector used at both ends of an Ethernet patch cable to establish a local network connection.
Q8
Which of the following connector is called as champ connector?
- A. RJ11
- B. RJ21Correct
- C. RJ61
- D. RJ45
Explanation. The RJ-21 connector, which has fifty pins, is also known as the champ or Amphenol connector and is typically used for trunking applications.
Q9
How many pins are used in RJ45 cables?
- A. 8Correct
- B. 6
- C. 50
- D. 25
Explanation. The RJ45 connector has eight pins that connect to the eight individual colored wires inside an Ethernet patch cable.
Q10
Which wiring standard is used for connecting two computers directly?
- A. straight Through wiring
- B. Cross Over wiringCorrect
- C. Rollover wiring
- D. None
Explanation. Crossover cabling is used to connect two devices of the same type, such as two computers, directly without using a hub or switch.
About these Network Cabling questions
These are the Book Back multiple-choice questions for Network Cabling from the Tamil Nadu State Board (Samacheer Kalvi) 12th Standard Computer Applications syllabus. Each question shows the correct option and an original, step-by-step explanation so you understand the method, not just the answer. Use the answer key above to jump to any question, then take the practice test to check yourself under exam-like conditions.
Frequently asked questions
How many MCQs are there in Network Cabling?
This chapter has 10 book-back multiple-choice questions, each with the correct answer and a step-by-step explanation.
Are these 12th Standard Computer Applications MCQs free to practise online?
Yes. Every question, answer and explanation here is free, and you can also take them as a timed practice test.
Where can I find the Network Cabling book-back answers?
The correct option for each question is highlighted on this page with a worked explanation, plus a quick answer-key summary at the top.
