Download BTA Certified Blockchain Solution Architect.CBSA.PracticeTest.2019-04-09.64q.tqb
| Vendor: | Blockchain |
| Exam Code: | CBSA |
| Exam Name: | BTA Certified Blockchain Solution Architect |
| Date: | Apr 09, 2019 |
| File Size: | 600 KB |
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Demo Questions
Question 1
A Byzantine failure is the loss of a system service due to a Byzantine fault in systems that requires________.
What is required?
- Consensus
- Crypthography
- Bandwidth
- Availability
Correct answer: A
Explanation:
A Byzantine failure is the loss of a system service due to a Byzantine fault in systems that require consensus. Reference: https://en.wikipedia.org/wiki/Byzantine_fault_tolerance A Byzantine failure is the loss of a system service due to a Byzantine fault in systems that require consensus.
Reference: https://en.wikipedia.org/wiki/Byzantine_fault_tolerance
Question 2
A ____________cipher basically means it is using a fixed key which replaces the message with a pseudorandom string of characters. It is basically the encryption of each letter one at a time.
What is the cipher type?
- Stream
- Block
- Parallel
- RSA
Correct answer: A
Explanation:
Stream cipher basically means using a fixed key which replaces the message with a pseudorandom string of characters. It is basically the encryption of each letter one at a time. Reference:https://blockgeeks.com/guides/cryptocurrencies-cryptography/ Stream cipher basically means using a fixed key which replaces the message with a pseudorandom string of characters. It is basically the encryption of each letter one at a time.
Reference:
https://blockgeeks.com/guides/cryptocurrencies-cryptography/
Question 3
Your customer is an enterprise that is focused on financial sectors. What type of blockchain would this customer likely want specified for their enterprise?
- Permissionless
- Decentralized
- Hybrid
- Permissioned
Correct answer: D
Explanation:
Sometimes referred to as “private” blockchains, you are required to have some sort of permission to access any or parts of that blockchain. There are a multitude of variants and hybrid permissioned/permissionless blockchains that exist. Reference: https://medium.com/@dustindreifuerst/permissioned-vs-permissionless-blockchains-acb8661ee095 Sometimes referred to as “private” blockchains, you are required to have some sort of permission to access any or parts of that blockchain. There are a multitude of variants and hybrid permissioned/permissionless blockchains that exist.
Reference: https://medium.com/@dustindreifuerst/permissioned-vs-permissionless-blockchains-acb8661ee095
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