Systems Security Certified Practitioner – SSCP – Question0754 - Systems Security Certified Practitioner

A code, as is pertains to cryptography:

A. Is a generic term for encryption.
B. Is specific to substitution ciphers.
C. Deals with linguistic units.
D. Is specific to transposition ciphers.

Correct Answer: C

Explanation:

Historically, a code refers to a cryptosystem that deals with linguistic units: words, phrases, sentences, and so forth. Codes are only useful for specialized circumstances where the message to transmit has an already defined equivalent ciphertext word. Source: DUPUIS, Cl?ment, CISSP Open Study Guide on domain 5, cryptography, April 1999.