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Updated Apr 04, 2023 17 Questions 2 Pages

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Question 1 Selectable Answer

What is a hash function?

A. A one-way function that converts input to a unique string output
B. A function that stores data behind a key
C. A two-way function used for condensing information
D. The block-ID of the block
E. All the above

Answer:

Question 2 Selectable Answer

An asset is defined as __________ .

A. all records on a database
B. any data on the ledger
C. anything of value requiring accountability of ownership
D. any record on a private network

Answer:

Question 3 Selectable Answer

The common safe place to store personal cryptocurrency is __________ .

A. A digital wallet
B. in a secure ledger
C. a bank account
D. in a secure database

Answer:

Question 4 Selectable Answer

A smart contract on the Blockchain provides . Select all that apply

A. Specific actions to be taken on events or transactions
B. The same contracts a bank provides
C. A set of business conditions that must be met
D. Better anonymity of those making transactions

Answer:

Question 5 Selectable Answer

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

A. metadata that is
B. number of blocks
C. Merkle tree hash
D. size of the memory cache

Answer:

Question 6 Selectable Answer

What is dApp?

A. A decentralized application
B. A dishonest application
C. A decoded application
D. A distributed application

Answer:

Question 7 Selectable Answer

What is Ethereum?

A. Another name for Bitcoin
B. A platform for creating decentralized applications
C. A currency
D. Another name for Blockchain

Answer:

Question 8 Selectable Answer

One of Blockchain’s primary uses of cryptography is __________ .

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
E. addresses a secret

Answer:

Question 9 Selectable Answer

Blockchains are being implemented in the food supply chain because __________ .

A. consumers demand to know where their food comes from
B. it allows farm to table accountability for safety
C. they have the potential to provide fast, specific supplier data
D. it prevents food waste if a food contamination problem occurs
E. All of the above

Answer:

Question 10 Selectable Answer

Blockchain does not provide?

A. Security
B. Immutability
C. Fault tolerance
D. Fact Transaction time

Answer:

Question 11 Selectable Answer

A Blockchain provides __________ .

A. true information by all parties involved
B. a trusted transaction between untrusted parties
C. the easiest way to conduct international transactions
D. only trusted banks for conducting transactions

Answer:

Question 12 Selectable Answer

Blockchain transaction code categorizes the data put into blocks.

A. True
B. False

Answer:

Question 13 Selectable Answer

What does P2P stand for?

A. Person to Person
B. Public to Person
C. Peer to Peer
D. Product to Person
E. None of the above

Answer:

Question 14 Selectable Answer

One of the great advantages of creating a new Blockchain solution is __________ .

A. the ability to completely customize a unique business solution
B. combining Blockchain technologies to fit your business solution
C. merging your existing network technology into a new Blockchain solution
D. not being limited to a conventional business solution or restriction
E. All of the above

Answer:

Question 15 Selectable Answer

What does immutable mean?

A. Fault tolerant
B. Unable to be changed
C. Highly secure
D. None of the above

Answer:

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