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Top Tips for Passing the Blockchain CBDH Exam on Your First Try

Questions 51

Exhibit.

CBDH Question 51

What does the code snippet displayed do?

Options:

A.

It is called on deploy to initialize the ledger

B.

It is called per deletion of the chamcode

C.

It is called on redploy or upgrade to build the blockchain

D.

It is called per transaction on the chaincode

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Questions 52

There is_________________when a transaction is validated and committed to the ledger:

Options:

A.

Immutability

B.

Transparancy

C.

Confidentiality

D.

Privacy

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Questions 53

What certificate is granted an "allocation" of transaction certificates to each user?  

Options:

A.

rootcert

B.

ecerts

C.

tcerts

D.

PKI

E.

RSA

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Questions 54

Hyperledger Fabric allows multiple certification authorities to be setup for a business network application.

E.g., it there are 3 members using the network application, all 3 members can issue certificates to their employees so they can initiate transactions on the network

application.

Options:

A.

TRUE

B.

FALSE

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Questions 55

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

Options:

A.

Hyperledger Caliper

B.

Hyperledger Explorer

C.

Hyperledger Cello

D.

Hyperledger Quilt

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Questions 56

Which Hyperledger tool would you select to invoke, deploy or query blocks, transactions and associated data, network information (name, status, list of nodes), chain codes and transaction families, as well as other relevant information stored in the ledger?

Options:

A.

Hyperledger Quilt

B.

Hyperledger Cello

C.

Hyperledger Caliper

D.

Hyperledger Explorer

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Questions 57

The Hyperledger Project consists of the following EXCEPT?

Options:

A.

Infrastructure

B.

Tools

C.

Framework

D.

Management

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Questions 58

The security module works in conjunction with the ________________________ module to provide access control service to any data recorded and business logic deployed on a chain network. 

Options:

A.

HSM

B.

Membership Services

C.

Chaincode

D.

Consensus

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