CBSA試験無料問題集（230題）「Blockchain BTA Certified Blockchain Solution Architect 認定」

出題：1

You are considering a cryptocurrency and for your privacy and anonymity are number one priority.
Which cryptocurrency should you likely use?

A. Dash

B. Shadowcoin

C. Litecoin

D. Bitcoin

E. Monero

正解：E 解答を投票する

出題：2

In public key cryptography, the public key is used to:

A. Decrypt the private key so valid transactions/actions can be performed

B. Encrypt the private key

C. Verify the digital signature of a given key pair

D. Sign/approve any transaction/action that might be made by the holder of the key pair

正解：B 解答を投票する

出題：3

How are blocks of data "chained" together to ensure the integrity of transactions?

A. The ID of the previous block is stored in the current block

B. The hash of the genesis block is kept in all block headers

C. A public key is stored in each block for data decryption

D. The hash of the previous block is written to the header of the current block

正解：D 解答を投票する

出題：4

What is another name for blockchains that run adjacent to the blockchains and also offer more scope for processing contracts?

A. Sidechains

B. Multichains

C. Funnelchains

D. Adchains

正解：A 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：5

If a product's requirements call for public autonomous on-chain code, only using open source code, using cryptographic tokens, and allowing its users the ability to earn tokens, this product should be launched on the Ethereum blockchain.

A. FALSE

B. TRUE

正解：B 解答を投票する

出題：6

When considering a new ERC20 token its best to consider using ____________________.

A. Use a template from AWS

B. Audited Implementation

C. Start a new one

D. Copy from existing token

正解：A 解答を投票する

出題：7

A chaincode package that was signed at creation can be handed over to other owners for inspection and signing in Hyperledger.
Is it true that the workflow supports out-of-band signing of chaincode package?

A. FALSE

B. TRUE

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：8

How many satoshis are in 1 bitcoin and how many wei in an Ether? (Select two.)

A. 1,000,000,000

B. 1,000,000,000,000

C. 1,000,000,000,000,000,000

D. 10,000

E. 1,000,000,000,000,000

正解：C,E 解答を投票する

出題：9

Which is the right order for Ethereum Denominations?

A. Finney, Szabo, Mether, Wei

B. Finney, Szabo, Mether, Gwei

C. Wei, Finney, Szabo, Ether, Tether

D. Gwei, Szabo, Finney, Ether

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：10

Anonymity can be protected in blockchain applications by use of which of the following?

A. Blockchain-based data cubes

B. Cryptographic hashing

C. Centralized application hosting

D. End-to-end encryption

正解：D 解答を投票する

出題：11

The primary difference between a blockchain and blockless solution is?

A. Blockless solutions are less reliable

B. Blockless solutions are slower

C. Transactions are not verified by the entire network in a blockless environment

D. Blockless solutions do not work on mobile devices

正解：C 解答を投票する

出題：12

In Proof of Work group consensus, the "nonce" refers to?

A. Random nonsense data inserted at the end of a block to fill it completely

B. The random data to be combined with the block data which will produce a hash output matching the current difficulty level

C. The average Bitcoin price over the last 90 days

D. None of the above

正解：B 解答を投票する

CBSA試験無料問題集「Blockchain BTA Certified Blockchain Solution Architect 認定」