What is the full form of DNS$?$

a$.$

Data Name Space

b$.$

Domain Name Space

c$.$

Domain Name System

d$.$

Data Name System

Question $2$

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Blockchain is used in IoT to prevent

a$.$

bits

b$.$

servers

c$.$

network

d$.$

privacy

Question $3$

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Blockchain uses IoT to

a$.$

make transactions

b$.$

transfer bits

c$.$

transfer information

d$.$

transfer money

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Which Protocol is used in DNS$?$

a$.$

IP

b$.$

TCP

c$.$

HTTP

d$.$

TELNET

Question $5$

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What is the full form of IoT?

a$.$

Internet of Technology

b$.$

Incorporate of Things

c$.$

Internet of Things

d$.$

Incorporate of Technology

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What is digital Identity?

a$.$

a photo

b$.$

a post

c$.$

a digital signature

d$.$

a unique ID taken at random

Question $7$

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Which is not correct about Blockchain?

a$.$

its security

b$.$

its fast transaction time

c$.$

immutability

d$.$

fault tolerance

Question $8$

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Blockchain used in healthcare$\_$

a$.$

for transferring patients records

b$.$

for consultation

c$.$

for helping doctors

d$.$

for helping hospital staff

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Blockchain can be used in supply chain for

a$.$

faster delivery of products

b$.$

bitcoin

c$.$

cryptocurrency

d$.$

Ethereum

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Who coined the term $$Internet of Things$?$

a$.$

Kevin Aston

b$.$

John Wright

c$.$

Edward Jameson

d$.$

George Garton

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When is there a consensus?

a$.$

When, in a smart contract, the private key and the public key match

b$.$

When the value of a bitcoin proposed by a seller is accepted by a buyer

c$.$

When several nodes $($usually most nodes on the network$)$ all have the same blocks in their locally$-$validated best blockchain

d$.$

When a smart contract executes the rules agreed by all parties

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To claim the reward, a special transaction is called$\_$

a$.$

nonce

b$.$

online wallets

c$.$

hardware wallet

d$.$

coinbase

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What is Ethereum?

a$.$

The name of a public blockchain

b$.$

The name of a peer$-$to$-$peer network

c$.$

A commercial blockchain$-$based protocol featuring a smart contract manager

d$.$

An open$-$source blockchain$-$based distributed computing platform featuring smart contract functionality