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EC-CouncilBlockchain Developer Certification

Domain 1Objective 3

Blockchain Architecture, Node Infrastructure, and Types BDC Practice Questions (Page 4)

Part of the Blockchain Fundamentals and Architecture domain, which makes up ~14% of our current practice bank.

45questions here
9free pages
6concepts

Questions 16–20

  1. 16application · easy

    A developer is choosing a consensus mechanism for a new public blockchain that must be energy-efficient and allow anyone to become a validator by locking up tokens. Which mechanism should they select?

    Select an answer first
  2. 17foundation · easy

    Which type of node in a blockchain network stores the complete blockchain history and independently verifies all transactions and blocks?

    Select an answer first
  3. 18expert · hard

    A developer must choose a consensus mechanism for a new public blockchain that prioritizes decentralization and security over transaction throughput. The network will process a low volume of high-value transactions. Which mechanism is most appropriate?

    Select an answer first
  4. 19application · easy

    A company wants to automate royalty payments to musicians every time their song is streamed. They plan to use a smart contract on a public blockchain. What is the primary function of the smart contract in this scenario?

    Select an answer first
  5. 20expert · medium

    A blockchain network is forking frequently, causing confusion among users. The team wants to reduce the likelihood of forks. Which measure is most effective?

    Select an answer first
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