Cyber Security Jobs Cryptography and Encryption

Question 1

What does AES stand for in the context of cryptography?

Accepted Answer

Advanced Encryption Standard

Answer

Asymmetric Encryption System

Answer

Automated Encoding Scheme

Answer

Applied Encryption Service

Question 2

Which type of encryption uses the same key for both encryption and decryption?

Accepted Answer

Symmetric encryption

Answer

Asymmetric encryption

Answer

Public-key encryption

Answer

Hybrid encryption

Question 3

What is the primary purpose of a cryptographic hash function in cybersecurity?

Accepted Answer

Verifying data integrity

Answer

Encrypting data for secure transmission

Answer

Generating asymmetric key pairs

Answer

Compressing files for storage

Question 4

RSA is a well-known example of which category of cryptographic algorithm?

Accepted Answer

Asymmetric encryption

Answer

Symmetric encryption

Answer

Stream cipher

Answer

Hash function

Question 5

What is the main purpose of a digital signature in cybersecurity?

Accepted Answer

To verify the authenticity and integrity of a message

Answer

To encrypt the message content for confidentiality

Answer

To compress digital files before transmission

Answer

To generate symmetric session keys

Question 6

Which of the following is classified as a symmetric encryption algorithm?

Accepted Answer

AES

Answer

RSA

Answer

ECC (Elliptic Curve Cryptography)

Answer

Diffie-Hellman

Question 7

What does PKI stand for in the context of digital certificates and encryption?

Accepted Answer

Public Key Infrastructure

Answer

Private Key Interface

Answer

Protected Knowledge Index

Answer

Public Knowledge Integration