NSCT -Data Communication MCQs

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1. What is Data Communication?





2. Which of the following is a component of Data Communication?





3. The physical path through which data travels is called:





4. A set of rules that govern data communication is called:





5. Which device connects different networks together?





6. Which topology uses a central hub or switch?





7. What does LAN stand for?





8. Which type of signal is continuous?





9. Which device converts digital signals to analog signals?





10. Data transmission speed is measured in:





11. What does WAN stand for?





12. Which topology forms a closed loop?





13. Which device regenerates signals in a network?





14. The smallest unit of data is:





15. Which communication mode allows transmission in both directions at the same time?





16. The Internet is an example of:





17. Which topology uses a single backbone cable?





18. What does IP stand for?





19. Which layer of the OSI model is responsible for data transmission over physical media?





20. Which device connects multiple computers in a LAN?





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