1		14									17							18
	2
	4									3
	5
				6
					7/15
				8
										9/16
			10
						11
			12
	13

Across

1. The additional storage space required to store parity blocks, reducing the overall usable capacity of a RAID system.

2. The process of detecting and correcting errors that occur during data transmission or storage.

3. Blocks of data that are used for error checking and correction in a storage system.

4. A technique where data is divided into blocks and stored across multiple disks, including parity blocks.

5. The process of verifying the integrity of network data by sending a request packet and comparing the echoed response packet.

6. A technique used in computer networks to handle lost or corrupted data packets by retransmitting them automatically.

7. The ability of a system to continue functioning properly in the event of hardware or software failures.

8. A method of error detection where the number of 1s, including the parity bit, is always odd.

9. The process of detecting and correcting errors that occur during data transmission or storage using error correction codes.

10. A signal sent by the receiver to inform the sender that data packets have been successfully received.

11. A mathematical formula used to validate a variety of identification numbers.

12. Bits added to binary data to ensure an even or odd count of 1s.

13. The inclusion of extra information or resources in a system to improve reliability and provide backup in case of failures.

Down

14. The process of deriving parity information from the data blocks.

15. Information sent from the receiver to the sender to indicate whether data packets have been successfully received or not.

16. A method of error detection where the number of 1s, including the parity bit, is always even.

17. The process of resending data packets that have been lost or corrupted during transmission.

18. The period of time after which a sender assumes that a data packet has been lost and triggers retransmission.

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