CB3491 Cryptography & Cyber Security | Essential 2 & 13 Mark Questions for 2025 Exam 📘

📘 CB3491 – Cryptography and Cyber Security | Anna University 2025 Exam Special

Prepare smart with this complete list of expected 2-mark and 13-mark important questions from all 5 units of CB3491. Ideal for last-minute revision before your Anna University end semester exam or any other technical university that follows this subject.

🔐 Covered Topics (Unit-wise Playlist Links):

Unit 1
Caesar Cipher
https://www.youtube.com/watch?v=9uL5JYWD15Q

Playfair Cipher
https://www.youtube.com/watch?v=e-MjobNS62Y

Steganography
https://www.youtube.com/watch?v=cMDZzVCUc0s

Unit 2
DES
https://www.youtube.com/watch?v=wF_RRY7Kpm0

Block Cipher Modes of Operation
https://www.youtube.com/watch?v=LhEX1zwlqnA


Unit 3
RSA Cryptosystem
https://www.youtube.com/watch?v=7pIwE7O1stY

Diffie-Hellman Key Exchange
https://www.youtube.com/watch?v=0HaIQa3LUmw

Unit 4
SHA (Secure Hash Algorithm)
https://www.youtube.com/watch?v=1iRgf6s2Lp8

Digital Signature Standard
https://www.youtube.com/watch?v=Gzsl8B6VGEQ

MAC (Message Authentication Code)
https://www.youtube.com/watch?v=gVAm5QSclFc

Kerberos
https://www.youtube.com/watch?v=LF3rg6cu7xc

Unit 5
Wireless Security
https://www.youtube.com/watch?v=OaqduQgRULY

Cloud Security
https://www.youtube.com/watch?v=KQIqnfzQ7ik

Web Security
https://www.youtube.com/watch?v=Nq248SUp0fE

SQL Injection
https://www.youtube.com/watch?v=8r0GIb8bjRk

Keyloggers
https://www.youtube.com/watch?v=4CmlDBYAURY

Network Access Control (NAC)
https://www.youtube.com/watch?v=RVxdhTbb_QE

Classifications of Cyber Crime
https://www.youtube.com/watch?v=dE0J-f7970U

📲 Notes Available in:
https://play.google.com/store/apps/details?id=com.learning.cseitexampreparation

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🎯 Perfect for:

B.E/B.Tech CSE, IT, ECE students

Anna University Affiliated Colleges (Regulation 2021/2017)

CBCS Pattern Students

Repeater/Arrear Students

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