Cryptography Objective Questions and Answers - Set 4

This cryptography quiz contains carefully curated objective questions with correct answers and clear explanations. It is designed for developers, security learners, and interview preparation, covering modern encryption, hashing, authentication, and security best practices. This is part 4 of the series.

Practice Cryptography MCQs with Detailed Explanations

Answer at least 12 questions to submit and verify answers.

46 Which cryptographic operation verifies data authenticity? Medium

47 What is the purpose of a private key? Easy

48 Which algorithm is best suited for mobile devices? Medium

49 Which protocol uses certificates for trust? Easy

50 Which encryption type uses the same key for encryption and decryption? Easy

51 What is the purpose of a certificate authority? Easy

52 Which algorithm is resistant to quantum attacks? Hard

53 Which attack involves intercepting communication? Easy

54 Which cryptographic function is one-way? Easy

55 Which algorithm is used for generating digital certificates? Medium

56 What does encryption protect against? Easy

57 Which algorithm is commonly used in blockchain hashing? Easy

58 What is the main goal of cryptography? Easy

59 Which encryption is faster for large data? Medium

60 Which cryptographic practice improves password security the most? Easy