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Vendor: Blockchain
Exam Code: CBSA
Exam Name: BTA Certified Blockchain Solution Architect
Certification: Blockchain Solution Architect
Total Questions: 229 Q&A
Updated on:
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How many peers in the network need to endorse a transaction in a Hyperledger Fabric blockchain?
A. The number of peers required to endorse a transaction is driven by the IAM policy that is specified by the ledger.
B. The number of peers required to endorse a transaction is driven by the endorsement policy that is specified by the DApps.
C. The number of peers required to endorse a transaction is driven by the endorsement policy that is specified by the ledger.
D. The number of peers required to endorse a transaction is driven by the endorsement policy that is specified at chaincode deployment time.
Which of the following is NOT considered a token?
A. ICON
B. LTC
C. Golem
D. EOS
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?
A. Ethereum for token creation and escrow service; User-facing features built with web technologies and deployed through IPFS
B. 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
C. Hyperledger Fabric for the escrow service and token creation using chaincode; User-facing features built with Hyperledger Composer
D. The product cannot be built. Fully decentralized apps are not yet possible for user interface
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