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Blockchain CBDH - BTA Certified Blockchain Developer – Hyperledger

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Total 195 questions

There are currently three supported ordering services in Hyperledger Fabric. (Select three.)

A.

BFT

B.

PoET

C.

SBFT

D.

Kafka

E.

SOLO

Hyperledger Explorer is what type of web application? (Select two.)

A.

A Nodejs based web app which runs on Node/Express

B.

A JS based web app which runs on Node/ExpressJS

C.

Uses PostGres SQL as the backend database

D.

Uses MySQL as the backend database

What is the advantage of the REST server?

A.

Simplicity of front end applications

B.

Visibility into transactions

C.

Simplicity of front end applications

D.

All of the above

All of the modeling components MUST be defined in a single file.

A.

TRUE

B.

FALSE

The modeling language does not support multiple inheritance.

A.

TRUE

B.

FALSE

Which tool would you select to that would allow users to measure performance of a specific implementation with predefined use cases?

A.

Hyperledger Caliper

B.

Hyperledger Explorer

C.

Hyperledger Cello

D.

Hyperledger Quilt

A ledger has 2 parts, which one is not part of the ledger?

A.

Application log

B.

Transaction log

C.

State data

Instances of an asset created in Hyperledger Fabric are managed in a_________.

A.

registry

B.

JSON based storage

C.

database

D.

file system

State data by default is implemented in LevelDB but it can be replaced by way of configuration with CouchDB.

A.

FALSE

B.

TRUE

__________are used in a . cto model file lo indicate a relationship between an entity in the existing model file and an entity from another model file.

A.

Relationships

B.

Pointers

C.

Imports

D.

Resources