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12 Questions

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Sets in Mathematics

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Questions and Answers

What is the set of all natural numbers represented by?

N (correct)

Which set includes all whole numbers, both positive and negative, and zero?

Z (correct)

Which encryption algorithm is specifically mentioned as a method for achieving confidentiality?

RSA

PKI

AES (correct)

SHA-256

What is the primary objective of ensuring confidentiality in a cryptographic system?

To keep the encrypted message hidden from unauthorized individuals Signup and view all the answers

What is the set of all rational numbers represented by?

Q Signup and view all the answers

What is the primary purpose of ensuring the integrity of a message?

To prevent data tampering and unauthorized alterations Signup and view all the answers

What is the primary function of a digital signature?

To verify the authenticity and integrity of the data Signup and view all the answers

What is the primary goal of a cryptographic system?

To ensure data confidentiality, integrity, and authentication Signup and view all the answers

What is the main objective of authentication?

To confirm the identity of the sender or data source Signup and view all the answers

What is the set of all integers from 0 to n – 1, where n is a positive integer, represented by?

Zn Signup and view all the answers

Which of the following is NOT a cryptographic algorithm mentioned in the text?

PKI Signup and view all the answers

What is the primary purpose of using a cryptographic hash function like SHA-256?

To verify the integrity of the data Signup and view all the answers