blockchain CBDH Exam Questions

Questions for the CBDH were updated on : Nov 21 ,2025

Page 1 out of 13. Viewing questions 1-15 out of 195

Question 1

Concepts can be marked abstract.

  • A. FALSE
  • B. TRUE
Answer:

A

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Question 2

Which of the characteristic is desired in a DLT for business?

  • A. Permissioned
  • B. Confidential Transaction
  • C. No Cryptocurrency
  • D. Programmable
  • E. All of the above
Answer:

D

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Question 3

Exhibit.

The function displayed is not called:

  • A. On delete
  • B. On initialization
  • C. On upgrade
Answer:

C

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Question 4

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

  • A. FALSE
  • B. TRUE
Answer:

B

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Question 5

The ledger system in Hyperledger Fabric consists of:

  • A. Transaction log
  • B. World state database
  • C. Both A and B
  • D. Neither A nor B
Answer:

A

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Question 6

Exhibit.

The lowercase "o" in the code snippet indicates:

  • A. An attribute of the asset
  • B. A relationship to the asset
  • C. Both A and B
  • D. Neither A nor B
Answer:

C

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Question 7

In Hyperledger Fabric

  • A. Transactions are stored on the file system and are sent to the browser on invocation
  • B. Chaincode is stored on the MariaDB database
  • C. Transactions are ordered into blocks and are delivered from an ordering service to peers on a channel
  • D. None of the above
Answer:

D

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Question 8

A resource marked as abstract_____be instantiated; can be_____to create new resource definitions.

  • A. cannot, accessed
  • B. can, extended
  • C. cannot, extended
Answer:

A

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Question 9

Transaction Log Data is immutable i.e , once its written to the log it cannot be changed or deleted.

  • A. TRUE
  • B. FALSE
Answer:

A

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Question 10

Exhibit.

In Hyperledger Fabric Composer the above code is an enumeration. Enumerations are used:

  • A. As a way to group properties with known values to make validation easier
  • B. As the primary means of creating channels
  • C. To discourage reusable code
  • D. As a way to prevent users from access the asset properties
Answer:

B

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Question 11

Model defines the representation of

  • A. Assets
  • B. Participants
  • C. Transactions
  • D. Events
  • E. All of the above
Answer:

E

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Question 12

One essential element of blockchain technology is the availability of cryptocurrency that can be used
as value token on the DLT platform.

  • A. TRUE
  • B. FALSE
Answer:

A

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Question 13

Asset and participant are______in the modeling language.

  • A. Reserved words
  • B. Common
  • C. Undeclared
Answer:

C

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Question 14

Where are models stored when you develop a business network application model on Playground?

  • A. On the web server hosting the Playground
  • B. File system
  • C. Browser storage
Answer:

A

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Question 15

All but one can be used as Orderer implementation:

  • A. Active MQ
  • B. KKafka
  • C. Solo
Answer:

A

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