Download BTA Certified Blockchain Solution Architect.CBSA.PremiumDumps.2026-08-16.46q.vcex

Vendor: Blockchain
Exam Code: CBSA
Exam Name: BTA Certified Blockchain Solution Architect
Date: Aug 16, 2026
File Size: 221 KB
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Demo Questions

Question 1
What type of attack would be considered a very large flaw in public blockchains such as Bitcoin's Blockchain where the majority of hashpower could possibly be controlled thru an attack?
What is the specific attack Bitcoin could be exposed to?
  1. 51% Attacks
  2. Tether Token Hack
  3. DDoS Attack
  4. BIP attack
  5. Parity Wallet Attack
Correct answer: A
Explanation:
Reference:https://blockgeeks.com/guides/hypothetical-attacks-on-cryptocurrencies/
Question 2
Consider the following scenario: A solo app developer wants to create their own cryptocurrency and build a blockchain based that allows users to buy and sell second-hand items with that cryptocurrency from each other. Before the transaction is considered complete, the purchaser must put the funds in an escrow service and the sender must enter the courier tracking number into that same escrow. Time is of the essence and this developer doesn't want to worry about networking of infrastructure. This app must be fully autonomous or "decentralized".
Which architecture would best solve the product need?
  1. Ethereum for token creation and escrow service; User-facing features built with web technologies and deployed through IPFS
  2. Ethereum for token creation; Traditional multitier API and database for escrow service; User-facing features built in web technologies then minified unto a String and deployed to an Ethereum Smart Contract
  3. Hyperledger Fabric for the escrow service and token creation using chaincode; User-facing features built with Hyperledger Composer
  4. The product cannot be built. Fully decentralized apps are not yet possible for user interface
Correct answer: B
Question 3
Which of the following is true concerning Hyperledger Composer?
  1. It's a competing blockchain to Hyperledger Fabric in the Hyperledger suite of tools
  2. It's an API layer that sits above Hyperledger Fabric and is required to interact with the Fabric blockchain
  3. It's a toolset and framework for easily developing business networks
  4. It's a consensus-focused replicable state machine framework for blockchain development
Correct answer: C
Explanation:
Reference:http://www.redbooks.ibm.com/redpapers/pdfs/redp5492.pdf
Question 4
Which factor influences the gas cost to deploy a Smart Contact on the Ethereum blockchain?
  1. None. Smart Contract deployment has a fixed gas cost
  2. The types of operations written in code within the Smart Contract
  3. The current Ethereum market conditions
  4. The total size of the complied Smart Contract measured in kilobytes
Correct answer: D
Question 5
Every node needs to keep track of time AND it needs to be in synch with its other peer nodes on the blockchain. In Bitcoin for example the current median for time is around?
  1. 7 minutes
  2. 7 seconds
  3. 17 seconds
  4. 70 Minutes
  5. 70 Seconds
Correct answer: D
Explanation:
The median time differs by more than 70 mins from its system timeReference:https://blockgeeks.com/guides/hypothetical-attacks-on-cryptocurrencies/
Question 6
______ is the official Ethereum IDE that allows developers to build and deploy contracts and decentralized applications on top of the Ethereum blockchain.
  1. Mist
  2. Mix
  3. Truffle
  4. Metamask
  5. Embark
Correct answer: B
Explanation:
Mix is the official Ethereum IDE that allows developers to build and deploy contracts and decentralized applications on top of the Ethereum blockchain
Question 7
Ownership or partial ownership of an asset can be tracked with which type of token?
  1. Equity
  2. Utility
  3. Ethereum
  4. Game-based
Correct answer: B
Question 8
An encryption algorithm transforms plain text into cipher text using a key?
  1. TRUE
  2. FALSE
Correct answer: A
Question 9
Addresses on a blockchain are derived by a process of hashing _________.
  1. Wallet Addresses
  2. Private Keys
  3. IP Addresses
  4. Mac addresses
  5. Public Keys
Correct answer: E
Explanation:
Reference:https://medium.com/@ConsenSys/blockchain-underpinnings-hashing-7f4746cbd66 b
Question 10
Which one of the following is a consideration that must be taken into account when using Hyperledger Fabric that you wouldn't need worry about on Ethereum?
  1. The fees for deploying and using Smart Contracts
  2. How you will provide proper uptime for the network
  3. The level of security of Smart Contracts (chaincode)
  4. How often hard forks occurs on the software
Correct answer: D
Question 11
Which of the following would create a blockchain transaction?
  1. Updating a Smart Contract
  2. Updating an internal State variable
  3. Exchanging solution tokens
  4. All of the above
Correct answer: C
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