CISSP-ISSAP: Information Systems Security Architecture Professional

By ISC · Question Mode

QuestionQ80

VerifiedInfrastructure and System Security

Which of the following cipher types are classified as historical ciphers? Each correct answer represents a complete solution.

Choose two
Explanation

Historical ciphers are commonly categorized as substitution ciphers, which replace symbols with other symbols, and transposition ciphers, which rearrange the positions of symbols. Block and stream ciphers are modern symmetric-encryption categories.

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