Blockchain CBSA BTA Certified Blockchain Solution Architect Online Training
Blockchain CBSA Online Training
The questions for CBSA were last updated at Nov 01,2025.
- Exam Code: CBSA
- Exam Name: BTA Certified Blockchain Solution Architect
- Certification Provider: Blockchain
- Latest update: Nov 01,2025
A Byzantine failure is the loss of a system service due to a Byzantine fault in systems that requires________.
What is required?
- A . Consensus
- B . Crypthography
- C . Bandwidth
- D . Availability
A Smart Contract needs to check the daily closing price of a stock, in order to determine how to act. The proper way to do this is with the use of ______________.
- A . Oracles
- B . Wizards
- C . Data rabbits
- D . All of the above
In regards to understanding the Ethereum Virtual Machine what statement is true?
- A . The EVM is extremely powerful, non-turing complete and perfect for doing computational intensive thins, because of the direct access to the graphics card.
- B . The EVM is extremely powerful, turing complete and perfect for doing computational intensive things, because of the direct access to the graphics card.
- C . While the EVM is Sandboxed, it isn’t as powerful as the Bitcoin network, because it’s not Turing Complete
- D . The EVM can’t access hardware layers or anything outside a blockchain node because it’s sandboxed.
Composer Modeling Language is an object-oriented modeling language that defines the domain model for a business network definition. The modeling language is saved as a __________ file.
- A . .json
- B . .go
- C . .txt
- D . .ico
- E . .cto
To approve pending ledger transactions, consensus algorithms often implement:
- A . Byzantine Fault Tolerance
- B . Access Control
- C . Kerckhoffs’s Principle
- D . Common Weakness Enumeration
Blockchain systems assume all parties are trusted by all other parties in the exchange or ecosystem.
- A . FALSE
- B . TRUE
Which types of data are able to be stored on any given blockchain ledger?
- A . Each blockchain software specifies its own data storage rules
- B . Any data that is within the UTC-8 standard
- C . Unencrypted textual and numerical data
- D . Encrypted textual and numerical data
Public blockchains can alter the blockchain ledger by:
- A . Creating a hard fork of the blockchain data, tooling and/or software
- B . Achieving community consensus via a Smart Contract to update the ledger
- C . Re-hashing the blocks from the total block height down to the genesis block
- D . Blockchain ledgers are immutable and can never be altered
Ideal bug reports link the bug being reported to a _______________
- A . Business Value
- B . Business Process
- C . Regression Issue
- D . Business Target
- E . Progression Issue
In blockchains there is the concept of "Group Consensus" and how many members must agree.
- A . 52%
- B . 74%
- C . 75%
- D . 51%
- E . 100%
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