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EC-CouncilBlockchain Developer Certification

Domain 7Objective 4

Incident Response and Risk Mitigation BDC Practice Questions (Page 9)

Part of the Blockchain Security and DeFi Development domain, which makes up ~11% of our current practice bank.

51questions here
11free pages
7concepts

Questions 41–45

  1. 41application · medium

    A DeFi lending protocol detects a series of transactions that appear to manipulate the price oracle used for collateral valuation. The protocol's risk team suspects a flash-loan-based oracle attack. The team needs to immediately limit further losses while preserving evidence for later analysis. Which action should the team take first?

    Select an answer first
  2. 42foundation · easy

    Which regulatory requirement is most directly relevant to incident response in DeFi protocols that handle personal data of EU citizens?

    Select an answer first
  3. 43application · medium

    A DeFi lending protocol detects a sudden spike in the price of a low-liquidity collateral token, followed by a wave of loans being opened against that token. The protocol's risk team suspects oracle manipulation. Which immediate action best limits further damage while preserving forensic data?

    Select an answer first
  4. 44expert · hard

    A DeFi protocol has a governance timelock of 48 hours and no emergency pause. An attacker is exploiting a vulnerability in a newly deployed contract. The team must decide between attempting a white-hat rescue or letting the exploit continue. What is the most critical factor in this decision?

    Select an answer first
  5. 45foundation · easy

    Which of the following is a common DeFi threat that involves an attacker borrowing a large amount of a token to manipulate its price on a decentralized exchange (DEX) and profit from the resulting price movement?

    Select an answer first
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