CBSA Questions and Answers

Which cryptocurrency is also known as "Smart Money" in the blockchain world?

Which of these desired outcomes is best obtained through a Blockchain solution?

Which of the following hashing algos is considered to be the strongest?

Select the two kinds of accounts in Ethereum which share the same address space. (Select two.)

Which scenario would it be most appropriate for a blockchain solution to implement a Proof of Work or Proof of Stake consensus?

A ____________cipher basically means it is using a fixed key which replaces the message with a pseudorandom string of characters. It is basically the encryption of each letter one at a time.

What is the cipher type?

Which of these is the name of a well known open source peer-to-peer hypermedia distributes file system?

What type of "bug" generally occurs when something isn’t right according to business requirements?

Ethereum has a metric system of denominations used as units of ether.

What is the smallest denomination of Ether?

When considering a new ERC20 token its best to consider using ____________________.

In public key cryptography, the private key is used to:

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.

The most popular Ethereum development framework is currently Truffle.

What are three features of Truffle? (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?

Hyperledger can best be described as a ____________________?

In Hashcash, miners all compete to look for a so called. "____________"which, if provided as input (together with other parts of a block header) to a hash function, yields an output that’s numerically small enough to claim the next block reward.

___________________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.

When writing and considering push and pull in a smart contract that involves "user" funds would it be better to ____________________?

Smart Contracts are generally written in specific programming languages. Which one is NOT a language for smart contracts?

The “Nothing-at-Stake” problem that could be realized by Proof of Stake networks would be caused by what?

To interact with a deployed Ethereum Smart Contract, a user or app must:

In Hyperledger Fabric, the smart contract logic is also called by two other names _______________ and ______________? (Select two.)

How are "assets" in Hyperledger Fabric represented? (Select two.)

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?

A Blockchain network can be best categorized as:

A Smart Contract needs to check the daily closing price of a stock, in order to determine how to act. The proper way to do this is with the use of ______________.

___________is advantageous because it presents scalability and low cost transactions, but like DPoS introduces a component of centralization.

What algorithm is being referenced here?

Which of the following is considered the most popular public key encryption algorithm?

If a company desires to create a unique cryptocurrency and launch a new blockchain network to host it.