ADVANCED CRYPTOGRAPHIC TECHNIQUES IN GLOBAL CYBERSECURITY
MIDTERM EXAMINATION
ACO 131 - GLOBAL CYBERSECURITY
ARIZONA STATE UNIVERSITY
Instructions:
Answer all questions.
Multiple-choice questions (MCQs) carry 1 mark each.
Short answer questions carry 5 marks each.
Long answer questions carry 15 marks each.
The case study carries 20 marks.
Write your answers in a clear and concise manner.
Support your answers with relevant examples where necessary.
Section A: Multiple-Choice Questions (1 Mark Each)
1. Which cryptographic algorithm is commonly used for securing web
communications?
o(a) RSA
o(b) AES
o(c) SHA-256
o(d) Diffie-Hellman
Answer: (b) AES
2. What does the acronym AES stand for in cryptography?
o(a) Advanced Encryption Standard
o(b) Asymmetric Encryption Scheme
o(c) Automated Encryption System
o(d) Advanced Encryption Solution
Answer: (a) Advanced Encryption Standard
3. Which of the following is a key feature of RSA encryption?
o(a) Symmetric key encryption
o(b) Public key encryption
o(c) Hash function
o(d) Digital signature
Answer: (b) Public key encryption
4. What is the primary purpose of a cryptographic hash function?
o(a) Encrypting data
o(b) Decrypting data
o(c) Generating a unique fixed-size hash value
o(d) Creating public and private key pairs
Answer: (c) Generating a unique fixed-size hash value
5. Which protocol is used for securing email communications?
o(a) HTTPS
o(b) SSL/TLS
o(c) PGP
o(d) IPsec
Answer: (c) PGP
6. What is a common use case for elliptic curve cryptography (ECC)?
o(a) Password hashing
o(b) Digital signatures
o(c) Data encryption
o(d) Key exchange
