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CBBF Exam Dumps - Certified Blockchain Business Foundations

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Question # 9

In a private business Blockchain, transactions are endorsed by______________.

A.

only relevant business participants

B.

only the smart contract developer

C.

all the nodes on the Blockchain

D.

all participants with access to the network

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Question # 10

Blockchain has more built-in security than a standard database.

A.

True

B.

False

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Question # 11

How would a developer make a change to Blockchain protocol?

A.

There are no restrictions, a developer could just change the code

B.

A developer would need to initiate a hard fork

C.

There is no way to change Blockchain protocol

D.

change the orderer configuration

E.

None of the above

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Question # 12

The cryptocurrency Bitcoin is__________.

A.

another application that runs on a Blockchain

B.

the same as all other cryptocurrencies

C.

replacing bartering in many parts of the world

D.

a replacement currency for the U.S. dollar

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