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📝 Different Approaches to the Checksum Error Detecting Technique

📖 From Data Communication & Networks • 10. Error Detection and Correction • 15 questions available

Practice MCQs for Different Approaches to the Checksum Error Detecting Technique. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-31

5
Easy Questions
7
Medium Questions
3
Hard Questions

📝 Sample Questions

Q1. Given generator polynomial \(g(x)=x^{6}+1\), can it detect a burst error of length 7?

🔹 A. Yes, it always detects bursts up to its degree
🔹 B. No, bursts longer than the degree may go undetected
🔹 C. Only if the error starts with a 1
🔹 D. Only if the error ends with a 0

💡 Difficulty: easy | ✅ Correct: B

Q2. In a dataset of 16,000 cases, if 2 % of cases involve burst errors longer than the degree of generator \(x^{6}+1\), approximately how many errors are expected to be undetected?

🔹 A. 0
🔹 B. 3.2
🔹 C. 32
🔹 D. 160

💡 Difficulty: medium | ✅ Correct: B

Q3. Which statement is true about generator \(g(x)=x^{7}+x+1\) regarding detection of any burst error up to length 7?

🔹 A. It always detects such bursts
🔹 B. It never detects such bursts
🔹 C. It detects only even‑length bursts
🔹 D. Detection is not guaranteed for all length‑7 bursts

💡 Difficulty: hard | ✅ Correct: D

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🔗 Related Topics

📝 Types of Errors in Data Link Layer📝 Redundancy error detecting and correcting📝 Error Detection versus Correction in Data Link Layer📝 Redundancy hrough Coding📝 Block Coding in Data Link Layer
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