The common example of distributed ledger technology is

a$.$

Bytecoin

b$.$

Bitcoin

c$.$

database

d$.$

block

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Digital Signature uses

a$.$

$4$ key

b$.$

$1$ key

c$.$

$3$ key

d$.$

$2$ key

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What is Cipher?

a$.$

a tool

b$.$

a mathematical function

c$.$

a plain text

d$.$

a ciphertext

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The conversion of plaintext to ciphertext is called

a$.$

cryptocurrency

b$.$

Encryption

c$.$

bitcoin

d$.$

Decryption

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How many types of cryptographic algorithms work in Blockchain?

a$.$

$4$

b$.$

$5$

c$.$

$1$

d$.$

$2$

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What is a Blockchain?

a$.$

a block of chain

b$.$

a company

c$.$

a distributed ledger

d$.$

a social media platform

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Blockchain is based on

a$.$

centralised approach

b$.$

network based approach

c$.$

AI based approach

d$.$

Distributed system

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The key is

a$.$

a group of bits

b$.$

a number

c$.$

a representation

d$.$

a money

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The study through which only sender and receiver can communicate is called

a$.$

distributed database

b$.$

centralised database

c$.$

cryptography

d$.$

Ethereum

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What is the common problem in Blockchain?

a$.$

two general problem

b$.$

three general problem

c$.$

one general problem

d$.$

six general problem

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What is distributed database?

a$.$

a type of network

b$.$

a centralised database

c$.$

a database divided across multiple nodes

d$.$

a database having no privacy

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Which one of the following is not an application hash functions?

a$.$

One$-$way password file

b$.$

virus Detection

c$.$

Intrusion detection

d$.$

Key wrapping

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Which database is used by Blockchain?

a$.$

Oracle

b$.$

Big Data

c$.$

MySQL

d$.$

MongoDB

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The fixed$-$length output is called a $\_$

a$.$

hash

b$.$

bitcoin

c$.$

data

d$.$

value

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Which of the following is true in Hadoop?

a$.$

Hadoop stores data centrally

b$.$

Hadoop stores data distributedly

c$.$

Hadoop manages client resources

d$.$

Hadoop uses client server approach

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Which of the following is not Features of HDFS$?$

a$.$

It is suitable for the distributed storage and processing.

b$.$

Streaming access to file system data.

c$.$

HDFS provides file permissions and authentication

d$.$

Hadoop does not provides a command interface to interact with HDFS

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Which of the following Hadoop config file is used to define the heap size?

a$.$

hdfs$-$site.xml

b$.$

core$-$site.xml

c$.$

hadoop$-$env.sh

d$.$

mapred$-$site.xml