Check Sum and CRC's

Question 1

Are CRC’s suitable for protecting against intentional alterations of data? YES/NO

Answer 1

NO

Question 2

CRC’s are specifically designed to protect against common types of errors on communication channels. TRUE/FALSE

Answer 2

TRUE

Question 3

Expand and define CRC

Answer 3

Cycle Redundancy Check

is a non secure function designed to detect accidental changes to raw computer or communications data

Question 4

What is a checksum?

Answer 4

A checksum is a fixed size number calculated from part of a file of digital data for the purpose of detecting ACCIDENTAL errors that may have been introduced during transmission or storage

Question 5

A ________ is a fixed size number calculated from part of a file of digital data for the purpose of detecting ACCIDENTAL errors that may have been introduced during transmission or storage

Answer 5

checksum