Python Blockchain Developer Set 2

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Free Online Best Office Python Blockchain Developer Questions for improve your basic knowledge of Python Blockchain Developer. This Python Blockchain Developer set 2 test that contains 25 Multiple Choice Questions with 4 options. You have to select the right answer to a question.

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Question 1

What makes a good Block Chain use case?

A	An identifiable business network
B	A business problem to be solved
C	The need for trust
D	All of these

Question 2

What does P2P stands for?

A	Password to Password
B	Peer to Peer
C	product to product
D	Private Key to Public Key

Question 3

What is output for following code ? y = [4, 5,1j] y.sort()

A	[1j,4,5]
B	[5,4,1j]
C	[4,5,1j]
D	Type Error

Question 4

Which of the following is asymmetric encryption Algorithm?

A	Blowfish
B	Twofish
C	RSA
D	Triple DEA

Question 5

What is Blockchain?

A	Blockchain is used to verify the transaction in the quickest time and less space complexity
B	Blockchain is a cryptocurrency
C	Blockchain is a record book
D	Blockchain is a technology behind cryptocurrency and just one case of technology

Question 6

What is the core requirement(s) for a business BlockChain?

A	Technical services, business services, and solution
B	Shared ledger, smart contract, privacy, and trust
C	Optimized cryptographic mining
D	A new cryptocurrency

Question 7

What is Proof of Work?

A	POW is the first and most popular mechanism used by bitcoin and Ethereum, which are the most popular cryptocurrencies at the time of writing
B	POW attack happens when multiple systems are attacking a target’s system resource/bandwidth.
C	POW provides a similar hashing block scheme to bitcoin’s PoW, but it limits the number of peers
D	POW is a slang term coined in association with cryptocurrency to describe holding cryptocurrency disregarding price fluctuation.

Question 8

Cryptocurrency wallet used to

A	stores one or multiple public key and private key combinations and is used to receive or spend cryptocurrency
B	verify and add transactions to the blockchain digital ledger.
C	to distributed ledger, which has a shared database based on consensus algorithm
D	All of these

Question 9

What is distributed denial-of-service?

A	Distributed denial-of-service attack happens when multiple systems are attacking a target’s system resource/bandwidth.
B	Distributed denial-of-service is the first and most popular mechanism used by bitcoin and Ethereum, which are the most popular cryptocurrencies at the time of writing
C	Distributed denial-of-service is a slang term coined in association with cryptocurrency to describe holding cryptocurrency disregarding price fluctuation.
D	Distributed denial-of-service provides a similar hashing block scheme to bitcoin’s PoW, but it limits the number of peers

Question 10

What is Cryptography?

A	Cryptography is a process of converting your message into code so that only authorized parties can access it.
B	Cryptography is reversing the encryption process so that the message can be converted to the original message
C	Cryptography is using the techniques of encryption and decryption to send and receive messages.
D	Cryptography is using cryptography the same way as the earlier SSL or video example but specifically to fit the needs of a digital asset.

Question 11

What are the different types of Blockchains?

A	2
B	3
C	4
D	5

Question 12

What is Cryptocurrency?

A	Cryptocurrency is a process of converting your message into code so that only authorized parties can access it.
B	Cryptocurrency is reversing the encryption process so that the message can be converted to the original message
C	Cryptocurrency is using the techniques of encryption and decryption to send and receive messages.
D	Cryptocurrency is a digital asset designed so that electronic cash is able to be exchanged using strong cryptography

Question 13

What will be the output of the following code : print type(type(int))

A	type 'int'
B	type 'type'
C	error
D	0

Question 14

What is Decryption?

A	Decryption is a process of converting your message into code so that only authorized parties can access it.
B	Decryption is reversing the encryption process so that the message can be converted to the original message
C	Decryption is using the techniques of encryption and decryption to send and receive messages.
D	Decryption is using cryptography the same way as the earlier SSL or video example but specifically to fit the needs of a digital asset.

Question 15

What is HODL?

A	HODL is a slang term coined in association with cryptocurrency to describe holding cryptocurrency disregarding price fluctuation.
B	HODLprovides a similar hashing block scheme to bitcoin’s PoW, but it limits the number of peers
C	HODL attack happens when multiple systems are attacking a target’s system resource/bandwidth.
D	HODL is the first and most popular mechanism used by bitcoin and Ethereum, which are the most popular cryptocurrencies at the time of writing

Question 16

Define BlockChain in the simplest words?

A	BlockChain is a distributed ledger, which has a shared database based on consensus algorithm
B	BlockChain is a ledger describes the inputs and outputs of a business.
C	BlockChain is a typically a database or a record book
D	BlockChain is a Technical services, business services, and solution

Question 17

What is Encryption?

A	Encryption is a process of converting your message into code so that only authorized parties can access it.
B	Encryption is reversing the encryption process so that the message can be converted to the original message
C	Encryption is using the techniques of encryption and decryption to send and receive messages.
D	Encryption is using cryptography the same way as the earlier SSL or video example but specifically to fit the needs of a digital asset.

Question 18

What is a ledger?

A	ledger is typically a database or a record book
B	ledger works on the principle of ECCDLP
C	ledger provides equivalent security for a much lesser key size which makes ECC faster and more secure
D	ledgeris a cryptocurrency

Question 19

Pylab is a package that combine _______,________&______ into a single namespace.

A	Numpy, scipy & matplotlib
B	Numpy, matplotlib & pandas
C	Numpy, pandas & matplotlib
D	Numpy, scipy & pandas

Question 20

What is a Merkle Tree?

A	Merkle Tree is used to verify the transaction in the quickest time and less space complexity
B	Merkle Tree is a cryptocurrency
C	Merkle Tree is a record book
D	Merkle Tree is a technology behind cryptocurrency and just one case of technology

Question 21

What is cold storage?

A	A place to hang your coat
B	A private key not connected to internet
C	A private key connected to internet
D	A desktop Wallet

Question 22

What is Proof of Stake?

A	Proof of Stake provides a similar hashing block scheme to bitcoin’s PoW, but it limits the number of peers
B	Proof of Stake is a slang term coined in association with cryptocurrency to describe holding cryptocurrency disregarding price fluctuation.
C	Proof of Stake is the first and most popular mechanism used by bitcoin and Ethereum, which are the most popular cryptocurrencies at the time of writing
D	Proof of Stake attack happens when multiple systems are attacking a target’s system resource/bandwidth.

Question 23

Which method is used to display a warning message in Python?

A	Tkinter.message.showmessage('message here')
B	Tkinter.message.sshowwarning('message here')
C	Tkinter.messagebox.showwarning('message here')
D	Tkinter.messagebox.showmessage('message here')

Question 24

Which of these facts about a ledger is NOT CORRECT?

A	A ledger is used purely for the reporting of cash
B	A ledger consists of transactions, often governed by contracts
C	A ledger is a system of record
D	A ledger describes the inputs and outputs of a business.

Question 25

List of some popular cryptocurrency coins that use PoS

A	Dash
B	NEO
C	LSK
D	All of these

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