最新的Blockchain CBDH免費考試真題

問題1

What is the initial setup of a network which policies, system chaincodes, and cryptographic materials (certs) are disseminated amongst participants are defined to establish trust?

A. Chaining

B. Subnetting

C. Bootstrapping

D. Instantiaton

正確答案: C

說明：（僅 Fast2test 成員可見）

問題2

Exhibit.

Based on the code snippet displayed:
transfer . stock.owner = transfer .nevrOwner;

A. This line updates the world state database

B. This line sets the new owner of the stock

C. This line updates the ledger on the blockchain

D. None of the above

正確答案: C

問題3

When your developing with Fabric Composer which of the following is true?

A. Simplifies the code integration of applications

B. Increases the time of development

C. Decrease the time of development

D. Simplifies the development of applications

正確答案: C

說明：（僅 Fast2test 成員可見）

問題4

There are generally two ways to develop business contracts in Hyperledger. (Select two.)

A. Code individual contracts into standalone instances of chaincode.

B. Code multiple contracts into distributed instances of chaincode.

C. Use chaincode to create centralized applications that manage the life cycle of one or multiple types of business contracts, and let end users instantiate instances of contacts within these applications.

D. Use chaincode to create decentralized applications that manage the life cycle of one or multiple types of business contracts, and let end users instantiate instances of contracts within these applications.

E. Code individual contracts into distributed instances of chaincode.

正確答案: A,D

說明：（僅 Fast2test 成員可見）

問題5

Access to Hyperledger Fabric Business Network Application is granted based on the______of the participant

A. Identity

B. Legality

C. Role

正確答案: A

問題6

Business Network Application Model is created in Composer using:

A. Composer Modelling Language

B. Composer Runtimes

C. Composer Javascript Model API

正確答案: B

問題7

In Hyperledger Fabric, there are three types of peer nodes depending upon the assigned roles.
What are three types? (Choose three.)

A. Endorsing Peer

B. Ordering Peer

C. Channel Peer

D. Peer

E. Committing Peer

F. MSP Peer

G. Client peer

正確答案: A,B,D

說明：（僅 Fast2test 成員可見）

問題8

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

A. Writing Transactions

B. Packing Transactions

C. Updating Transactions

D. Ordering Transactions

E. Validating Transactions

正確答案: D,E

說明：（僅 Fast2test 成員可見）

問題9

What type of organization can be thought of as a corporation run without any human involvement under the control of an incorruptible set of business rules?

A. Limited Liability Corporation

B. Trust

C. Corporation

D. Decentralized Autonomous Organization (DAO)

正確答案: D

說明：（僅 Fast2test 成員可見）

問題10

When deploying a database option there are some important things to consider from a deployment perspective.
CouchDB and LevelDB can be deployed with Fabric.
Which of the following is a true statement in regards to ledger deployment?

A. A LevelDB database is closely co-located with a network node and it is embedded within the same operating system process

B. A CouchDB database is closely co-located with a network node and runs in a separate operating system process

C. A LevelDB database is closely co-located with a network node and runs in a separate operating system process

D. A CouchDB database is closely co-located with a network node and it is embedded within the same operating system process

正確答案: A

說明：（僅 Fast2test 成員可見）

問題11

Exhibit.

The lowercase "o" in the code snippet indicates:

A. Neither A nor B

B. An attribute of the asset

C. A relationship to the asset

D. Both A and B

正確答案: D

問題12

What is the process of turning cipher-text back into plaintext called?

A. Encryption

B. Decryption

C. Hashing

D. Packing

正確答案: B

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