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ECAT - Practice Test - Computer Science - Data Communications - Quiz 2

Practice 10 high yield MCQs on Computer Science from Chapter Data Communications for Practice Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 2 of the series.

11. What is a modem?



12. What is a multiplexer?



13. What is a demultiplexer?



14. What are error detection techniques?



15. What is a parity bit used for?



16. What is a checksum used for?



17. What does a protocol do?



18. Which is a common LAN protocol?



19. What is a packet?



20. What is circuit switching?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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