QUESTION NO: 1
What is a development language which lets developers solve any class of problem in existence given infinite time and resources?
What is a development language which lets developers solve any class of problem in existence given infinite time and resources?
Correct Answer: A
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QUESTION NO: 2
What are two challenges with using a Proof of Work algorithm? (Select two.)
What are two challenges with using a Proof of Work algorithm? (Select two.)
Correct Answer: B,C
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QUESTION NO: 3
Hyperledger is an enterprise focused blockchain project. This project was released by a consortium under the umbrella of the Linux Foundation's Hyperledger Project.
What year did Hyperledger go live?
Hyperledger is an enterprise focused blockchain project. This project was released by a consortium under the umbrella of the Linux Foundation's Hyperledger Project.
What year did Hyperledger go live?
Correct Answer: B
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QUESTION NO: 4
In the EVM every account has a persistent key-value store mapping 256-bit words to 256-bit words called
________
In the EVM every account has a persistent key-value store mapping 256-bit words to 256-bit words called
________
Correct Answer: C
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QUESTION NO: 5
When specifying blockchain technologies, it is important to understand its benefits and its challenges.
What would be two challenges of blockchain technology adoption to an enterprise? (Select two.)
When specifying blockchain technologies, it is important to understand its benefits and its challenges.
What would be two challenges of blockchain technology adoption to an enterprise? (Select two.)
Correct Answer: B,D
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QUESTION NO: 6
In public key cryptography, the private key is used to:
In public key cryptography, the private key is used to:
Correct Answer: A
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QUESTION NO: 7
The CA (Fabric CA by default) issues a ______________ to each member (organization or individual) that is authorized to join the network.
The CA (Fabric CA by default) issues a ______________ to each member (organization or individual) that is authorized to join the network.
Correct Answer: A
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QUESTION NO: 8
In what year did a whitepaper that was published by "Satoshi Nakamoto" outlined a solution to the Byzantine Generals problem?
In what year did a whitepaper that was published by "Satoshi Nakamoto" outlined a solution to the Byzantine Generals problem?
Correct Answer: C
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QUESTION NO: 9
The Secure Registry Services enables Secured ____________Registry of base Hyperledger images and custom images containing chaincodes.
What type of registry is implemented?
The Secure Registry Services enables Secured ____________Registry of base Hyperledger images and custom images containing chaincodes.
What type of registry is implemented?
Correct Answer: C
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QUESTION NO: 10
What is the nonce-field in a transaction?
What is the nonce-field in a transaction?
Correct Answer: B
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QUESTION NO: 11
SHA-1 is the most commonly used SHA algorithm, and produces a ______-byte hash value(size).
SHA-1 is the most commonly used SHA algorithm, and produces a ______-byte hash value(size).
Correct Answer: B
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QUESTION NO: 12
When you considering cryptography for a blockchain what would be types of symmetric cryptography you could consider? (Select two.)
When you considering cryptography for a blockchain what would be types of symmetric cryptography you could consider? (Select two.)
Correct Answer: A,B
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