Blockchain BTA Certified Developer – Hyperledger CBDH Dumps in PDF

Free Blockchain CBDH Real Questions (page: 17)

Hyperledger blockchain frameworks reach consensus by performing two separate activities.
What are the two activities? (Select two.)

  1. Updating Transactions
  2. Validating Transactions
  3. Ordering Transactions
  4. Writing Transactions
  5. Packing Transactions

Answer(s): B,C

Explanation:

Hyperledger business blockchain frameworks reach consensus by performing two separate activities:
1. Ordering of transactions 2. Validating transactions by logically separating these activities, we ensure that any Hyperledger framework can work with any Hyperledger consensus module.



All of the following are key terms in Cryptography EXCEPT?

  1. Function
  2. Root Hash
  3. Secret
  4. Code
  5. Cipher

Answer(s): B

Explanation:

Cryptography is used in Blockchain to address the issues and concerns of privacy. Cryptography is the study of how to send information back and forth securely in the presence of adversaries. A cryptographic function is a function for encoding or encrypting data to protect the contents from others. The following components are the basis of a cryptographic function: The Secret: The data which we are trying to protect The Key: A piece of data used for encrypting and decrypting the secret The Function: The process or function used to encrypt the secret The Cipher: The encrypted secret data, output of the function The Secret and the Key are passed into the Function to create a Cipher.



The Hyperledger Project Framework of blockchains is meant for specific use cases for enterprise. Which blockchain includes a novel consensus algorithm, Proof of Elapsed Time (PoET)?

  1. Hyperledger Iroha
  2. Hyperledger Fabric
  3. Hyperledger Indy
  4. Hyperledger Sawtooth

Answer(s): D

Explanation:

Hyperledger Sawtooth is a modular platform for building, deploying, and running distributed ledgers. Hyperledger Sawtooth includes a novel consensus algorithm, Proof of Elapsed Time (PoET), which targets large distributed validator populations with minimal resource consumption.



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

  1. Hyperledger Caliper
  2. Hyperledger Explorer
  3. Hyperledger Cello
  4. Hyperledger Quilt

Answer(s): A

Explanation:

Caliper, a blockchain benchmark tool that allows users to measure performance of a specific implementation with predefined use cases, is in incubation status and was contributed by developers from numerous organizations.



What component on the blockchain maintains the "world state"?

  1. Consensus Algorithm
  2. Reputation Manager
  3. Consensus Manager
  4. Distributed Ledger

Answer(s): D

Explanation:

Distributed Ledger manages the world state and the transaction log in the blockchain. The world state is defined as the state of all transactions on the Blockchain, where all nodes agree that all blocks on the Blockchain are at the same state. It implements three key attributes. It efficiently calculates the cryptographic hash of the entire dataset of each block. It efficiently transmits a minimal "delta" changes to the dataset, when a peer is out of sync and needs to "catch up". It minimizes the amount of stored data required for each peer to operate.



Share your comments for Blockchain CBDH exam with other users:

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Sarah
6/13/2023 1:42:00 PM

anyone use this? the question dont seem to follow other formats and terminology i have been studying im getting worried

S
Shuv
10/3/2023 8:19:00 AM

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Reb974
8/5/2023 1:44:00 AM

hello are these questions valid for ms-102

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Mchal
7/20/2023 3:38:00 AM

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8/8/2023 1:04:00 PM

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Manju
10/19/2023 1:19:00 PM

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LeAnne Hair
8/24/2023 12:47:00 PM

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A
Abdul SK
9/28/2023 11:42:00 PM

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Aderonke
10/23/2023 12:53:00 PM

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SAJI
7/20/2023 2:51:00 AM

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Raj Kumar
10/23/2023 8:52:00 PM

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7/7/2023 9:46:00 PM

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B.A.J
11/6/2023 7:01:00 AM

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Guss
5/23/2023 12:28:00 PM

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Rond65
8/22/2023 4:39:00 PM

question #3 refers to vnet4 and vnet5. however, there is no vnet5 listed in the case study (testlet 2).

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Cheers
12/13/2023 9:55:00 AM

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Sumita Bose
7/21/2023 1:01:00 AM

qs 4 answer seems wrong- please check

A
Amit
9/7/2023 12:53:00 AM

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FisherGirl
5/16/2022 10:36:00 PM

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Chiranthaka
9/20/2023 11:15:00 AM

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SK
7/15/2023 3:51:00 AM

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5/25/2022 9:38:00 PM

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9/21/2023 5:58:00 PM

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Anorag
9/6/2023 9:24:00 AM

i just wrote this exam and it is still valid. the questions are exactly the same but there are about 4 or 5 questions that are answered incorrectly. so watch out for those. best of luck with your exam.

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Nathan
1/10/2023 3:54:00 PM

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1
1
10/28/2023 7:32:00 AM

great sharing

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Anand
1/20/2024 10:36:00 AM

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Kumar
6/23/2023 1:07:00 PM

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User random
11/15/2023 3:01:00 AM

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kk
1/17/2024 3:00:00 PM

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7/24/2023 10:20:00 AM

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Blessious Phiri
8/13/2023 11:58:00 AM

becoming interesting on the logical part of the cdbs and pdbs

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LOL what a joke
9/10/2023 9:09:00 AM

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Muhammad Rawish Siddiqui
12/9/2023 7:40:00 AM

question # 267: federated operating model is also correct.

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