Answered: Why is cyclic redundancy checksum (CRC)…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Why is cyclic redundancy checksum (CRC) implemented for Ethernet and for wireless frames as an error control technique? Hint: Don’t use google

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Step 1

Introduction

CRC:

The Cyclic Redundancy Checking (CRC) method detects mistakes in digital data transfer. It involves appending a calculated checksum value to the data being transmitted, which can then be verified by the receiver to ensure the data is free of errors. The CRC is computed using a polynomial division algorithm, and the resulting checksum is usually relatively small compared to the size of the data being transmitted. CRC is widely used in many digital communication protocols, including Ethernet and wireless networks.

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why is CRC implemented for wireless frames

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