CBSA

CBSA practice questions, page 9 of 9, with answer review and explanations.

Question 41

Blockchains are decentralized ledgers which, by definition, are not controlled by a central authority. Due to the value stored in these ledgers, bad actors have huge economic incentives to try and cause faults. What algo was the original solution to the potential problem as specified by Satoshi?

  1. Proof of Stake
  2. Byzantine Fault Tolerance
  3. Proof of Burn
  4. Proof of Work
  5. Dynamic Proof of Stake

Question 42

What are some likely repercussions that could occur as a result of a 51% attack to the Bitcoin network? (Select three.)

  1. Unplanned Fork
  2. Double Spending
  3. Cancelling Transactions
  4. Planned Fork
  5. Selfless Mining

Question 43

__________ is a real-time gross settlement system (RTGS), currency exchange and remittance network by __________

  1. Ripple, Ripple
  2. Ripple, JP Morgan
  3. XRP, Ripple
  4. Ripple, XRP

Question 44

A centralized system is one that that is governed by a hierarchical authority. Which of the following Blockchains would be correctly stated as centralized?

  1. Monero
  2. Ethereum
  3. Bitcoin Cash
  4. Ripple

Question 45

Message Calls in the Ethereum EVM is limited to a depth of ______?

  1. 128
  2. 256
  3. 1024
  4. 2048