File Info
| Exam | BTA Certified Blockchain Solution Architect |
| Number | CBSA |
| File Name | Blockchain.CBSA.CertKiller.2019-10-22.137q.tqb |
| Size | 747 KB |
| Posted | Oct 22, 2019 |
| Download | Blockchain.CBSA.CertKiller.2019-10-22.137q.tqb |
How to open VCEX & EXAM Files?
Files with VCEX & EXAM extensions can be opened by ProfExam Simulator.
Coupon: MASTEREXAM
With discount: 20%
Demo Questions
Question 1
SHA-1 is the most commonly used SHA algorithm, and produces a ______-byte hash value(size).
- 256
- 128
- 32
- 20
Correct answer: D
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 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
How many satoshis are in 1 bitcoin and how many wei in an Ether? (Select two.)
- 1,000,000,000,000,000,000
- 1,000,000,000,000,000
- 1,000,000,000
- 10,000
- 1,000,000,000,000
Correct answer: AB
Explanation:
Reference: http://www.btcsatoshi.com/ Reference: http://www.btcsatoshi.com/
Question 3
In the Proof of Stake(POS) algorithm the miners are really known as ___________?
- Notary
- Oracle
- Forgers
- Minters
Correct answer: C
Explanation:
Proof of Stake has the same goal as proof of work—to validate transactions and achieve consensus in the chain—and it uses an algorithm but with a different process. With proof of stake, the creator of a new block “is chosen in a deterministic way, depending on its wealth, also defined as a stake.” Since in a proof of stake system, there is no block reward, but the miners, known as forgers, get the transaction fees. Proponents of this shift, including Ethereum co-founder Buterin, like proof of stake for the energy and cost savings realized to get to a distributed form of consensus. Reference: http://www.hl.co.uk/news/2018/2/16/a-brief-history-of-blockchain-technology-everyone-should-read Proof of Stake has the same goal as proof of work—to validate transactions and achieve consensus in the chain—and it uses an algorithm but with a different process. With proof of stake, the creator of a new block “is chosen in a deterministic way, depending on its wealth, also defined as a stake.” Since in a proof of stake system, there is no block reward, but the miners, known as forgers, get the transaction fees. Proponents of this shift, including Ethereum co-founder Buterin, like proof of stake for the energy and cost savings realized to get to a distributed form of consensus.
Reference: http://www.hl.co.uk/news/2018/2/16/a-brief-history-of-blockchain-technology-everyone-should-read
