Data Structures and Cryptography Quiz

Which data structure follows the First-In, First-Out (FIFO) principle?

• Stack

• Queue

• Linked List

• Tree

Which of the following is NOT a linear data structure?

• Array

• Stack

• Queue

• Graph

Which algorithm is used for searching in a sorted array?

• Linear Search

• Bubble Sort

• Binary Search

• DFS

Which of the following is a hashing algorithm used in blockchain?

• AES

• SHA-256

• DES

• MD4

What is a blockchain?

• A centralized database

• A decentralized, distributed ledger

• A cloud-based storage system

• A type of programming language

Which data structure is used to implement recursion?

• Queue

• Stack

• Graph

• Heap

Which of the following is an asymmetric encryption algorithm?

• AES

• RSA

• DES

• Blowfish

Which data structure uses pointers to connect nodes?

• Array

• Linked List

• Stack

• Hash Table

What is a cryptographic hash function used for in blockchain?

• Encrypting data

• Generating unique identifiers for blocks

• Storing large amounts of data

• Managing network connections

Which property ensures that blockchain transactions cannot be changed once recorded?

• Immutability

• Redundancy

• Scalability

• Encryption