MCQ Mojo
access_time
menu
Quiz
Web Stories
CBSE
arrow_drop_down
MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
MCQ Questions for CBSE Class 3 with Answers
MCQ Questions for CBSE Class 2 with Answers
MCQ Questions for CBSE Class 1 with Answers
CBSE
arrow_drop_down
MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
MCQ Questions for CBSE Class 3 with Answers
MCQ Questions for CBSE Class 2 with Answers
MCQ Questions for CBSE Class 1 with Answers
Quiz
Quiz
/
Blockchain Gate & PSU MCQ Questions With Answers
1.
What is immutability?
Running without the concept of “human trust”
The majority of the nodes need to come to a consensus
Data in a block in a blockchain cannot be tampered with
Peer to peer digital ledger of transactions
2.
What is a miner
A type of blockchain
An algorithm that predicts the next part of the chain
A person doing calculations to verify a transaction
Computers that validate and process blockchain transactions
3.
When was blockchain first created?
2008
2000
2011
2003
4.
Who created Bitcoin?
Satoshi Nakamoto
John Mcafee
Samsung
China
5.
Where do you store your cryptocurrency?
Bank account
Exchange
Wallet
In your pocket
6.
What is a node?
A type of cryptocurrency
A Blockchain
A computer on a Blockchain network
An exchange
7.
How are blockchains linked?
IoT
Cryptography
Cloud
VPNs
8.
What is the name of Bitcoin's creator?
Satoshi Nokomoto
Santoshi Nakamoto
Satoshi Nakamoto
Satoshi Tanamoto
9.
Difference between P2P(Peer-to-Peer) network and decentralized network
P2P networks are more difficult to setup
P2P network has direct connection between each pair while in decentralized networks this is always true
P2P networks are more stable than decentralized network
All P2P network are decentralized and vice-versa
10.
Only one person can access a transaction on Bitcoin at once.
Yes, only one person can access one transaction at a time
No, two people can access one transaction at a time
No, multiple people can access one transaction at a time
No, a transaction cannot be accessed after being deployed
11.
Is there any disadvantage to using a blockchain?
True
False
12.
Can anyone start a blockchain?
True
False
13.
The process of encrypting and decrypting information.
Decentralized Application
Cryptocurrency
Block
Cryptography
14.
A blockchain is secured by
PIN code
'hash' code
password
login
15.
The one of the advantages is:
Slower process
High energy consumption
Self-maintenance
Immutability
16.
How does Blockchain achieve high availability?
Complex Protocol
Decentralization
Nodes never go down(offline)
Implemented on the internet
17.
O termo "máquina de confiança" em Blockchain se refere a:
Trata-se de uma crise financeira que nos leva ao ponto central do momento que vivemos atualmente: o que fazer para reconquistar a confiança dos investidores e do mercado.
É, em geral, o caso em que a propriedade de sistema mais importante é a confiança.
Um grande número de pessoas ou entidades, que não necessariamente se conhecem ou confiam entre si e que chegam a um consenso sobre determinada transação.
São efeitos da confiança generalizada e depois, trata de questões ligadas à incerteza das medidas de confiança generalizada.
Uma estratégia que se baseia na parceria com pessoas influentes no meio digital com o objetivo de gerar engajamento para tua marca e transmitir confiança para os consumidores.
18.
A ................................ key is a string of numbers and letters
Bitcoin
Blockchain
Cryptocurrency
None of the above
19.
Além de permitir que qualquer pessoa se envolva na rede, há algumas características associadas ao modelo não-permissionado. Quais são essas características?
Descentralização, ativos digitais, privacidade e transparência.
Descentralização variável, governança, privacidade e transparência.
Intercâmbio, permissividade, privacidade e transparência.
Praticidade, interoperabilidade, privacidade e transparência.
Complexidade, centralização, privacidade e transparência.
20.
What does P2P Stand for?
Password to Protect
Protection to Product
Peer to Peer
Private Key to Public Key
21.
Which of these is not a technical characteristic of Blockchain?
Decentralized Consensus Mechanism
Editable
Data Structure
Distributed Shared Ledger
Report Question
Previous
Next
warning
Submit
access_time
Time
Report Question
A bunch of text
Support mcqmojo.com by disabling your adblocker.
×
Please disable the adBlock and continue.
Thank you.
Reload page