Exam 4: BTA Certified Blockchain Solution Architect

Every node needs to keep track of time AND it needs to be in synch with its other peer nodes on the blockchain. In Bitcoin for example the current median for time is around?

Hyperledger Composer has two main components. What are the two components? (Select two.)

The most popular Ethereum development framework is currently Truffle. What are three features of Truffle? (Select three.)

What is diagram referencing below?

In the Bitcoin blockchain the "block creation time" is set to 10 minutes and this can never change.

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

You are considering a cryptocurrency and for your privacy and anonymity are number one priority. Which cryptocurrency should you likely use?

Looking the graph below, what type of an attack is this likely?

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

Which of the following is not considered an Ethereum testnet?

Which technical feature of blockchain best promotes the notion of a blockchain being "censorship resistant"?

In Hyperledger Fabric chaincode runs in a secured Docker container isolated from the endorsing peer process?

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

If a hard fork occurs on a public blockchain software and 20 running nodes choose not to update, what can be said about those 20 nodes?

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?

How does a client app communicate with Hyperledger fabric chaincode (Smart Contracts)?

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

To determine the anticipated load on an application, the number of end users should be considered along with?

Pending transactions on the Ethereum blockchain are always ordered by highest fee paid to lowest, and then written to the block in that order.

What type of attack would be considered a very large flaw in public blockchains such as Bitcoin's Blockchain where the majority of hashpower could possibly be controlled thru an attack? What is the specific attack Bitcoin could be exposed to?