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CBSA BTA Certified Blockchain Solution Architect Exam Practice Test 2
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CBSA BTA Certified Blockchain Solution Architect Exam Practice Test 2
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25 Questions

1. Which is the right order for Ethereum Denominations?
2. You would like to run Ethereum DApps in a browser without a node. (No need to download blockchain.) What could you use locally in your Chrome browser?
3. Geth uses what port to expose the Ethereum RPC Service?
4. In the Ethereum EVM there are two types of memory areas.
5. The Hyperledger Fabric business network is divided into three categories. What are the three categories?
6. When considering a new ERC20 token its best to consider using ____________________.
7. There are two types of tokens in blockchain solutions.
8. Ethereum is a programmable blockchain. What is one of the following reasons is NOT correct regarding Ethereum programmability?
9. Smart Contracts are generally written in specific programming languages. Which one is NOT a language for smart contracts?
10. Pending transactions on the Ethereum blockchain are always ordered by highest fee paid to lowest, and then written to the block in that order.
11. The reason that cryptocurrencies such as Bitcoin, Ethereum and Litecoin can be exchanged one with another is due to the fact that they all operate on the same blockchain network
12. In Hyperledger, nodes need a ________________ to be able to communicate to the network.
13. In the EVM every account has a persistent key-value store mapping 256-bit words to 256-bit words called ________
14. How are blocks of data
15. The Secure Registry Services enables Secured ____________Registry of base Hyperledger images and custom images containing chaincodes. What type of registry is implemented?
16. Blockchain systems can offer what advantage over centralized systems?
17. What does the acronym DAO represent?
18. Adding more nodes to a blockchain network has which effect?
19. What component on the blockchain maintains the world state"?"
20. You would like to start your Gethin Fast Sync Mode. What is the command for this?
21. What type of encryption is shown below and is commonly used in blockchain cryptography?
22. Which of these reasons is a good reason to choose a conventional database over blockchain to store application data?
23. Secure Hash Algorithm (SHA-256) output is always 256 bits or 32 bytes in length regardless of the length of the input (even if input is millions of bytes). Select best answer.
24. Ethereum smart contracts can be written in what programming languages?
25. Which technical feature of blockchain best promotes the notion of a blockchain being

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