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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.)
Which of the following is considered the most popular public key encryption algorithm?
Composer Modeling Language is an object-oriented modeling language that defines the domain model for a business network definition. The modeling language is saved as a __________ file.
How are blocks of data “chained” together to ensure the integrity of transactions?
Smart Contracts are generally written in specific programming languages. Which one is NOT a language for smart contracts?
Complex application components should try to be concentrated in which application layer?
When you considering developing and running dAPPS in Ethereum its important to understand that Gas and Ether are decoupled for price stability. Is this True or False?
Which of the following enterprise blockchain platforms does not have smart contract functionality?
Which of these reasons is a good reason to choose a conventional database over blockchain to store application data?
Your company is looking to develop a new token and raise funds for this new platform.
What is the process your company would like go thru to raise funds?
Which of the following cryptocurrencies use an alternate consensus method called " Scrypt " to BTC ' s Proof of Work (POW) SHA-256 algorithm?
What type of " bug " generally occurs when something isn’t right according to business requirements?
The difference between Ethereum tokens and a standalone currency like Litecoin is that ___________tokens piggyback on the Ethereum network, hosted by Ethereum addresses and sent using Ethereum transactions.
Consider the following scenario. A startup is building a chat app for smart phones where the messages sent between users are anonymous and get destroyed within 24 hours of being sent.
Which architecture would best solve the product need?
___________________ensures that the shared ledgers are exact copies, and lowers the risk of fraudulent transactions, because tampering would have to occur across many places at exactly the same time.
You would like to run Ethereum DApps in a browser without a node. (No need to download blockchain.)
What could you use locally in your Chrome browser?
What are some likely repercussions that could occur as a result of a 51% attack to the Bitcoin network? (Select three.)
A chaincode package that was signed at creation can be handed over to other owners for inspection and signing in Hyperledger.
Is it true that the workflow supports out-of-band signing of chaincode package?
In blockchains there is the concept of " Group Consensus " and how many members must agree.
Which of following scenarios and datasets would be best suited to be utilized by a blockchain solution?
Gas has multiple associated terms with it: Gas Prices, Gas Cost, Gas Limit, and Gas Fees. The principle behind Gas is to have a stable value for how much a transaction or computation costs on the Ethereum network.
Which is considered to be the static value for how much a computation costs in terms of Gas?
What type of encryption is shown below and is commonly used in blockchain cryptography?
The Hyperledger Fabric business network is divided into three categories.
What are the three categories? (Select three.)
R3 Corda does not organize time into blocks. What does Corda actually perform and use?
All blockchain networks and systems require autonomous on-chain code in order to process transactions.
Which one of the following is a consideration that must be taken into account when using Hyperledger Fabric that you wouldn’t need worry about on Ethereum?
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?
In common blockchain design, blockchain addresses or “accounts” are generated by:
In Ethereum the difficulty adjustment algorithm is coded in the ___________ file.
Which factor influences the gas cost to deploy a Smart Contact on the Ethereum blockchain?
The reason that cryptocurrencies such as Bitcoin, Ethereum and Litecoin can be exchanged one with another is due to the fact that they all operate on the same blockchain network
A centralized system is one that that is governed by a hierarchical authority.
Which of the following Blockchains would be correctly stated as centralized?
One consideration that should be taken into account when building a product on a public blockchain is:
How does a client app communicate with Hyperledger fabric chaincode (Smart Contracts)?
If a Proof of Work blockchain such a s Bitcoin or Ethereum changed to a Proof of Stake consensus paradigm, which key component of the Proof of Work process would be eliminated?
A product’s supply chain data is stored on blockchain. Only members of the product supply chain can write announcements to the blockchain but any consumer can query this data in a store to learn more about the product they want to buy. This is an example of a ____/____ blockchain.
The Secure Registry Services enables Secured ____________Registry of base Hyperledger images and custom images containing chaincodes.
What type of registry is implemented?
Blockchain systems assume all parties are trusted by all other parties in the exchange or ecosystem.
What is another name for blockchains that run adjacent to the blockchains and also offer more scope for processing contracts?
You are using Truffle for an Ethereum contract and would like to use a default set of contracts and tests from within an empty project directory.
What is the syntax?
A Byzantine failure is the loss of a system service due to a Byzantine fault in systems that requires________.
What is required?
Ethereum has a metric system of denominations used as units of ether.
What is the smallest denomination of Ether?
TESTED 02 May 2026