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  • Exam Name: BTA Certified Blockchain Security Professional
  • Last Update: Jul 16, 2024
  • Questions and Answers: 91
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CBSP Practice Exam Questions with Answers BTA Certified Blockchain Security Professional Certification

Question # 6

Which of the following blockchains has a built-in consensus algorithm?

A.

Ethereum

B.

Corda

C.

Hyperledger

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Question # 7

Blockchain technology is designated to be self-contained with no interaction with external components.

A.

True

B.

False

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Question # 8

In which blockchain consensus algorithm does a user pay (give up coin forever) to participate in consensus?

A.

Proof of Burn

B.

Proof of Work

C.

Proof of Stake

D.

Proof of Activity

E.

None of the above

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Question # 9

Stealth addresses are designed to do which of the following?

A.

Conceal transaction amount

B.

Conceal transaction recipient

C.

Conceal transaction sender

D.

Conceal shared secret

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Question # 10

Which of the following is a takenaway from the pigeocoin/Bitcom Core hack?

A.

Importance of scaning code for common vulnerabilities

B.

Importance of cryptanalysis of algorithms used

C.

Import of system-level analysis

D.

Import of a robust change management process

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Question # 11

For which of the following regulatory requirements is blockchain technology best suited?

A.

Data Control

B.

Data Retention

C.

Transparency

D.

Data Deletion

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Question # 12

The decentralization of the blockchain makes it immune to traditional Denial of Service attacks

A.

True

B.

False

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Question # 13

Which of the following blockchains does NOT use broadcast communications?

A.

Hyperledger

B.

Ethereum

C.

Corda

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Question # 14

In both blockchain and DAG-based distributed ledgers, the trust in all transactions that are part of the ledger Increases as additional transactions are added to the ledger.

A.

True

B.

False

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Question # 15

Compromising blockchain accounts is beneficial to which of the following types ot attacks?

A.

51% Attack

B.

Eclipse Attack

C.

Routing Attack

D.

Sybil Attack

E.

All of the above

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Question # 16

Which smart contract vulnerabilities can be exploited by a malicious miner? Select all that apply

A.

Bad Randomness

B.

Short Addresses

C.

Timestamp Dependence

D.

Race Conditions

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Question # 17

Which of the following blockchains best implements need-to-know tor blockchain data?

A.

Ethereum

B.

Corda

C.

Hyperledger

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Question # 18

In which of the following attacks targeting Proof of Stake does an attacker create a divergent chain and race to make their chain longer than the real chain?

A.

Selfish Mining Attack

B.

Long-Range Attack

C.

Double-Spend Attack

D.

51% Attack

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Question # 19

Which of the following are shared benefits of private and permissioned blockchain architectures? Select all that apply.

A.

Scale

B.

Efficiency

C.

Access Control

D.

Decentralization

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Question # 20

Quantum computers threaten traditional cryptography because they provide polynomial solutions to mathematically "hard" problems

A.

True

B.

False

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Question # 21

Proof of Work never guarantees that the blockchain network has reached consensus

A.

True

B.

False

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Question # 22

This sample code is vulnerable to which of the following attacks? Select all that apply.

A.

Reentrancy

B.

Unchecked Return Values

C.

Arithmetic

D.

Race Conditions

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Question # 23

The code of smart contracts that are "self-destructed" is no longer visible to the blockchain network

A.

True

B.

False

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Question # 24

Which type of blockchain is most vulnerable to traditional Denial of Service attacks?

A.

Proof of Stake

B.

Proof of Work

C.

Proof of Activity

D.

Proof of Space

E.

All of the above

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Question # 25

Confidential Transactions prove that inputs and outputs ot a transaction are equal.

A.

True

B.

False

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Question # 26

Which types of network attacks focus on partitioning the blockchain network? Select all that apply

A.

Eclipse

B.

Sybil

C.

Denial of Service

D.

Routing

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Question # 27

A major advantage of a stale channel is that it provides a permanent means of transferring value between two parties.

A.

True

B.

False

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