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Exam CBSA topic 1 question 15 discussion

Actual exam question from Blockchain's CBSA
Question #: 15
Topic #: 1
[All CBSA Questions]

Secure Hash Algorithm (SHA-256) output is always 256 bits or 32 bytes in length regardless of the length of the input (even if input is millions of bytes). Select best answer.

  • A. NSA is spying on us so what's it matters.
  • B. Depends on input
  • C. False
  • D. True
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Suggested Answer: D
SHA stands for Secure Hash Algorithm. This is used to prove data integrity. The same input(s) will always produce the exact same output. This output is always
256 bits or 32 bytes in length regardless of the length of the input (even if input is millions of bytes).
Reference:
https://medium.com/all-things-ledger/bitcoins-implementation-of-blockchain-2be713f662c2

Comments

xxxdolorxxx
6 months ago
This seems like a very odd question. Just the way it is worded.
upvoted 1 times
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