单选题What are two types of ciphers?加密的两种方式是?()ATransposition and Permutation.换位和置换BSubstitution and Replacement.替代和置换CTransposition and Substitution.换位和替代DTransposition and Shift.换位和转换

单选题
What are two types of ciphers?加密的两种方式是?()
A

Transposition and Permutation.换位和置换

B

Substitution and Replacement.替代和置换

C

Transposition and Substitution.换位和替代

D

Transposition and Shift.换位和转换


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