Multialphabet substitution is a type of which cipher family?

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Prepare for the Digital Forensics, Investigation, and Response Test. Study with multiple choice questions that include hints and explanations. Enhance your understanding of digital forensics principles and get ready for your exam!

Multiple Choice

Multialphabet substitution is a type of which cipher family?

Explanation:
Substitution ciphers replace each plaintext symbol with a corresponding ciphertext symbol according to a mapping. Multialphabet substitution extends this idea by using several different mappings (alphabets) for different positions or keys, but the core operation is still replacing symbols, not rearranging them. Transposition would shuffle the order of characters, hashing creates a one-way digest, and a stream cipher combines plaintext with a keystream rather than simply substituting symbols. So multialphabet substitution belongs to the substitution cipher family.

Substitution ciphers replace each plaintext symbol with a corresponding ciphertext symbol according to a mapping. Multialphabet substitution extends this idea by using several different mappings (alphabets) for different positions or keys, but the core operation is still replacing symbols, not rearranging them. Transposition would shuffle the order of characters, hashing creates a one-way digest, and a stream cipher combines plaintext with a keystream rather than simply substituting symbols. So multialphabet substitution belongs to the substitution cipher family.

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