
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.
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7concepts
Questions 41–45
- 41
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 - 42
Which regulatory requirement is most directly relevant to incident response in DeFi protocols that handle personal data of EU citizens?
Select an answer first - 43
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 - 44
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 - 45
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?
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