Download BTA Certified Blockchain Solution Architect.CBSA.VCEplus.2019-07-07.145q.tqb

Vendor: Blockchain
Exam Code: CBSA
Exam Name: BTA Certified Blockchain Solution Architect
Date: Jul 07, 2019
File Size: 994 KB
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Demo Questions

Question 1
SHA-1 is the most commonly used SHA algorithm, and produces a ______-byte hash value(size).
  1. 256
  2. 128
  3. 32
  4. 20
Correct answer: D
Explanation:
Explanation: Explanation:SHA-1 is the most commonly used SHA algorithm, and produces a 20-byte hash value.Reference: https://www.securityinnovationeurope.com/blog/page/whats-the-difference-between-hashing-and-encrypting
Explanation: Explanation:
SHA-1 is the most commonly used SHA algorithm, and produces a 20-byte hash value.
Reference: https://www.securityinnovationeurope.com/blog/page/whats-the-difference-between-hashing-and-encrypting
Question 2
What type of attack would be considered a very large flaw in public blockchains such as Bitcoin's Blockchain where the majority of hashpower could possibly be controlled thru an attack?
What is the specific attack Bitcoin could be exposed to?
  1. 51% Attacks
  2. Tether Token Hack
  3. DDoS Attack
  4. BIP attack
  5. Parity Wallet Attack
Correct answer: A
Explanation:
Reference: https://blockgeeks.com/guides/hypothetical-attacks-on-cryptocurrencies/
Reference: https://blockgeeks.com/guides/hypothetical-attacks-on-cryptocurrencies/
Question 3
How many satoshis are in 1 bitcoin and how many wei in an Ether? (Select two.)
  1. 1,000,000,000,000,000,000
  2. 1,000,000,000,000,000
  3. 1,000,000,000
  4. 10,000
  5. 1,000,000,000,000
Correct answer: AB
Explanation:
Reference: http://www.btcsatoshi.com/ http://ethdocs.org/en/latest/ether.html
Reference: http://www.btcsatoshi.com/ http://ethdocs.org/en/latest/ether.html
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