Innovations in Blockchain Architecture and Smart Contract Platforms BBLC Practice Questions (Page 4)

Questions 16–20

1. 16foundation · easy

   Which architectural choice is most likely to help an enterprise blockchain achieve higher transaction throughput?

   • AUsing a single-node network to avoid consensus overhead
   • BUsing a sharded network that processes transactions in parallel
   • CUsing a consensus mechanism that requires all nodes to validate every transaction sequentially
   • DIncreasing the number of full nodes that each store the entire ledger
   Reveal Solution Discussion Select an answer first
2. 17application · medium

   A logistics company wants to integrate its blockchain with a partner's blockchain to share shipment statuses. They need to ensure that data is exchanged securely and that the two systems can understand each other's data formats. Which approach is most appropriate?

   • AManually export data from one blockchain and import it into the other
   • BUse a sidechain that is pegged to both blockchains
   • CUse a shared database that both blockchains write to
   • DUse a cross-chain interoperability protocol that supports data translation and secure message passing
   Reveal Solution Discussion Select an answer first
4. 18application · medium

   A startup is choosing a smart contract platform for a decentralized marketplace. They expect rapid iteration and need strong debugging, testing, and deployment tooling. Which factor should be the primary consideration?

   • AThe number of nodes in the network
   • BThe market price of the platform's native token
   • CThe maturity of the developer tooling and testing frameworks
   • DThe platform's consensus algorithm
   Reveal Solution Discussion Select an answer first
5. 19expert · hard

   A government agency is deploying a blockchain for land registry. They need to ensure that the system is resilient to a malicious insider, but they also need to keep certain property details confidential. They are considering a permissioned blockchain with a BFT consensus. Which additional measure is essential to address the malicious insider threat?

   • AUse a public blockchain to increase transparency
   • BImplement role-based access control and audit logging
   • CRely solely on the BFT consensus to prevent insider attacks
   • DEncrypt all data with a single shared key
   Reveal Solution Discussion Select an answer first
6. 20application · medium

   A software company is building a decentralized application that requires complex business logic with multiple interdependent contracts that call each other. The team values a mature developer ecosystem and the ability to upgrade contract logic over time. Which smart contract platform feature is most important to evaluate?

   • AThe native token's market capitalization
   • BThe block time of the underlying network
   • CThe execution environment's support for composability and contract upgrade patterns
   • DThe consensus mechanism's energy efficiency
   Reveal Solution Discussion Select an answer first