Which of the following statements about DES (Data Encryption Standard) is true?

A. Its most widely used symmetric encryption algorithm uses a 56-bit key.

B. Its most widely used symmetric encryption algorithm uses a 32-bit key.

C. Its most widely used symmetric encryption algorithm uses a 128-bit key.

D. Its most widely used symmetric encryption algorithm uses a 64-bit key.








 

Suggested Answer: A



This question is in GISP exam 
For getting GIAC Information Security Professional Certification (GISP)

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