FINTECH Exam 2 – Quizzes 4–6 Study Guide, Practice Questions & Exam Review 2026/2027

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FINTECH Exam 2 – Quizzes 4–6 Study
Guide, Practice Questions & FinTech
Exam Review 2026/2027




FINTECH Exam 2 –
FINTECH
QuizzesExam
4–62 Study
–
FINTECH
Quizzes
Guide,
Exam
4–6
Practice
2 Study
–Questions
Quizzes
Guide, 4–6
&
Practice
FinTech
Study
Questions
Exam
Guide,
Review
&
Practice
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Questions
Exam Review
& FinTech
2026_2027.pdf
Exam Review 2026_2027.pdf

,FINTECH, EXAM 2 (Quizzes 4-6).pdf FINTECH, EXAM 2 (Quizzes 4-6).pdf FINTECH, EXAM 2 (Quizzes 4-6)




When can a DLT (Distributed Ledger Technology) can be considered a blockchain? Select
ALL that apply:


A specific data structure (chain-like) is enforced


Every record is tied to its predecessor and stored in a block


Every record is encrypted


Every change must be verified and confirmed (consensus requirement)


✅ A specific data structure (chain-like) is enforced – A blockchain is a type of DLT that
structures data in a chain of blocks. Other DLTs may use different structures, such as directed


✅
acyclic graphs (DAGs).
Every record is tied to its predecessor and stored in a block – In a blockchain, each
block contains a reference (hash) to the previous block, ensuring an immutable chain of


✅
records.
Every change must be verified and confirmed (consensus requirement) – Blockchains
use consensus mechanisms (e.g., Proof of Work, Proof of Stake) to validate and confirm

FINTECH, EXAM 2 (Quizzes 4-6).pdf FINTECH, EXAM 2 (Quizzes 4-6).pdf FINTECH, EXAM 2 (Quizzes 4-6).pdf

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✅
transactions before they are added to the ledger.
Every record is encrypted – The professor says it's correct. Just go with it.


All statements are true.




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What are the characteristics of secure hashing used by Bitcoin network? Select ALL that
apply:


The output is always 256 bits or 32 bytes in length regardless of the length of the input (even
if the input is millions of bytes)


SHA stands for Secure Hash Algorithm


Inputs can never be determined from the output, which is why it is highly secure


The same inputs will always produce the exact same output


Any change in the inputs will result in a change of output


The same output can never be derived from different inputs


Bitcoin network uses SHA 256, which is designed to be a completely unpredictable
pseudorandom function solvable only by trial and error




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