EC-Council BFC (312-82) Certification Sample Questions

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EC-Council 312-82 Sample Questions:

01. Which open-source tool is used for interacting with Ethereum networks from command-line interfaces?
a) Geth
b) Composer
c) Maven
d) Postman
 
02. What characteristic makes cryptocurrency assets particularly suitable for borderless transactions?
a) Requirement of bank approval
b) Requirement of bank approval
c) Mandatory KYC for all wallets
d) Offline-only validation
 
03. Why is blockchain beneficial for high-volume insurance data exchange between organizations?
a) It ensures synchronized and verifiable ledgers
b) It restricts multi-party data access
c) It encrypts data with identical keys for all users
d) It eliminates policy renewals
 
04. What is the primary risk when a smart contract allows external calls before updating internal state?
a) Gas overflow
b) Reentrancy attack
c) Timestamp drift
d) Block pruning
 
05. Why does Bitcoin have a fixed supply of 21 million coins?
a) Miner voting determines supply
b) Fiat currency exchange rates determine supply
c) Protocol design encodes a maximum cap
d) Node hardware limits supply
 
06. In Bitcoin, what prevents double-spending of the same digital asset?
a) Randomized node IDs
b) Transaction batching
c) Offline wallet encryption
d) Proof-of-Work consensus
 
07. Which blockchain vulnerability occurs when attackers manipulate block timestamps to influence contract behavior?
a) Timestamp dependency
b) Session hijacking
c) Sybil attack
d) Traffic flooding
 
08. After Ethereum’s transition to Proof-of-Stake, which entity proposes new blocks?
a) GPU mining pools
b) Validators who stake ETH
c) Randomized token buyers
d) Bitcoin nodes
 
09. Which Ethereum component determines how much a user pays for executing operations on the network?
a) Block timestamp
b) Ethereum Name Service
c) Gas price and gas limit
d) Wallet seed phrase
 
10. How can blockchain enhance the claims processing workflow in insurance?
a) By eliminating underwriting steps
b) By requiring manual reconciliation
c) By preventing all fraudulent attempts automatically
d) By providing transparent and immutable claims records

Answers:

Question: 01
Answer: a		 Question: 02
Answer: b		 Question: 03
Answer: a		 Question: 04
Answer: b		 Question: 05
Answer: c
Question: 06
Answer: d		 Question: 07
Answer: a		 Question: 08
Answer: b		 Question: 09
Answer: c		 Question: 10
Answer: d

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