CBBF questions • Exam prepare

Exam contains 81 questions

Page 11 of 14

Question 61 🔥

The cryptocurrency Bitcoin is__________.

Which database solution meets these requirements?

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

Discussion of the question

Question 62 🔥

Which of the following problems did Blockchain solve for cryptocurrencies?

Which database solution meets these requirements?

A. Anonymity

B. Double Spending

C. Destination of currencies

D. None of the above

Discussion of the question

Question 63 🔥

One of Blockchain’s primary uses of cryptography is___________.

Which database solution meets these requirements?

A. keeping the network configuration a secret

B. providing a public and private encryption key

C. allowing users to communicate with each other anonymously

D. keeping the I.P. addresses a secret

Discussion of the question

Question 64 🔥

What happens if a block is confirmed at the same time?

Which database solution meets these requirements?

A. The blocks splits into two chains. Blocks are then added to each chain until one chain becomes larger. The longest chain is then considered to be the Blockchain.

B. Nodes select which block to be added to the Blockchain

C. Both chains are deleted, and the unconfirmed transactions are added back to the pool

D. The Orderer Block confirms which block has the most confirmed transactions

E. None of the above

Discussion of the question

Question 65 🔥

The height of a block is the______________ in the chain between it and the genesis block.

Which database solution meets these requirements?

A. metadata that is

B. number of blocks

C. Merkle tree hash

D. size of the memory cache

Discussion of the question

Question 66 🔥

Who can read records on a public Blockchain?

Which database solution meets these requirements?

Discussion of the question

Ready to Pass Your Certification Test

blockchain CBBF

Exam contains 81 questions

Lorem ipsum dolor sit amet consectetur. Eget sed turpis aenean sit aenean. Integer at nam ullamcorper a.

Company

Product

Resources

Follow us