Error Detection-Data Link Layer

123456789101112131415161718192021
Across
  1. 1. Which technique uses XOR division to detect errors?
  2. 3. What method is used to resend a frame?
  3. 7. What is the opposite of a positive acknowledgment (ACK)?
  4. 8. Which method detects burst errors efficiently?
  5. 11. What is an error that affects only one bit called?
  6. 13. What type of parity adds one bit to ensure an even number of 1s?
  7. 14. What is an error that affects many bits at once?
  8. 15. Which parity checks for an odd number of 1s?
  9. 16. What type of math does CRC use?
  10. 18. What signal indicates an error has occurred?
  11. 20. What is a popular error detection code using polynomial?
  12. 21. Which error detection method has the least overhead?
Down
  1. 2. What is used to resend data that was damaged?
  2. 4. Which process can only detect but not correct errors?
  3. 5. Which method allows both detection and correction of errors?
  4. 6. What is the feedback received from the receiver called?
  5. 9. What adds bits to help check for errors?
  6. 10. What happens that triggers data retransmission?
  7. 12. What bit sequence is added to a frame for error detection?
  8. 17. Which method adds a block-level check to data?
  9. 19. Which method checks for single-bit errors?
  10. 20. What counts the total number of 1s in a frame for checking?