# Cryptography and Network Security Questions and Answers

Our 1000+ Cryptography and Network Security questions and answers focuses on all areas of Cryptography and Network Security covering 100+ topics. These topics are chosen from a collection of most authoritative and best reference books on Cryptography and Network Security. One should spend 1 hour daily for 2-3 months to learn and assimilate Cryptography and Network Security comprehensively. This way of systematic learning will prepare anyone easily towards Cryptography and Network Security interviews, online tests, examinations and certifications.

**Highlights**

– 1000+ Multiple Choice Questions & Answers in Cryptography and Network Security with explanations.

– Every MCQ set focuses on a specific topic in Cryptography and Network Security Subject.

**Who should Practice these Cryptography and Network Security Questions?**

– Anyone wishing to sharpen their knowledge of Cryptography and Network Security Subject.

– Anyone preparing for aptitude test in Cryptography and Network Security.

– Anyone preparing for interviews (campus/off-campus interviews, walk-in interview and company interviews).

– Anyone preparing for entrance examinations and other competitive examinations.

– All – Experienced, Freshers and Students.

**Here’s list of Questions & Answers on Cryptography and Network Security Subject covering 100+ topics:**

#### 1. Classical Encryption Techniques

The section contains questions and answers on transportation and substitution techniques, number theory and symmetric cipher models.

Symmetric Cipher Models and Number Theory | Substitution and Transposition Techniques – I |

#### 2. Block Ciphers and the Data Encryption Standard

The section contains questions and answers on block cipher systems, data encryption standards and their strengths.

Block Cipher Systems The Data Encryption Standard and Strength – I |
The Data Encryption Standard and Strength – II The Simplified Data Encryption Standard (SDES) |

#### 3. Basic Concepts in Number Theory and Finite Fields

The section contains questions and answers on number theory, group rings, fields, modular arithmetic and polynomial theory.

Number Theory Groups Rings and Fields Polynomial and Modular Arithmetic- I |
Polynomial and Modular Arithmetic- II Polynomial and Modular Arithmetic- III Polynomial and Modular Arithmetic- IV |

#### 4. Advanced Encryption Algorithm and Block Cipher Operation

The section contains questions and answers on AES algorithms, DES operation modes and triple DES methods.

The AES Algorithm – I The AES Algorithm – II The AES Algorithm – III |
The AES Algorithm – IV DES Modes of Operation – I DES Modes of Operation – II |

#### 5. Pseudorandom Number Generation and Stream Ciphers and More Block Ciphers

The section contains questions and answers on PRNG principles, pseudorandom number generators, blowfish algorithm and RC4 and RC5 algorithms.

#### 6. More Number Theory

This section contains questions and answers on number theory concepts and its applications.

Number Theory – I Number Theory – II Number Theory – III |
Number Theory – IV Number Theory – V |

#### 7. Public Key Cryptography and RSA

This section contains questions and answers on rabin/elgamal algorithms, knapsack/merkle cryptosystem algorithms and their applications.

Rabin/ Elgamal Algorithm Knapsack/ Merkle RSA Cryptosystem – I |
Knapsack/ Merkle RSA Cryptosystem – II |

#### 8. Other Public Key Cryptosystems and Cryptographic Hash Functions

This section contains questions and answers on elliptic curve arithmetic and cryptographic algorithms, hash functions, its applications and secure hash algorithms.

#### 9. Message Authentication Codes, Whirlpool Algorithm and Key Management and Distribution

This section contains questions and answers on message authentication codes, CGM, GCM, HMAC, DAA, whirlpool algorithms and other key management, wrapping and distribution algorithms.

#### 10. Cryptography Overview, TCP/IP and Communication Networks

This section contains questions and answers on cryptography overviews, network hardware and topologies, layers and TCP/IP and OSI reference models.

Overview – I Overview – II Overview – III Overview – IV Topologies Network Hardware |
Layers – I Layers – II Layers – III TCP/IP and OSI Reference Model – I TCP/IP and OSI Reference Model – II |

#### 11. Internet Protocol, Network Addressing and Transport Level Security

This section contains questions and answers on IP addressing and datagram packets, classful and classless addressing, subnet design and secure socket layer.

#### 12. Wireless Network Security and Network Security Overview

This section contains questions and answers on wireless security, IEEE WLAN security and its overview.

Wireless Security IEEE 802.11 WLAN – I IEEE 802.11 WLAN – II IEEE 802.11i WLAN Security – I IEEE 802.11i WLAN Security – II |
IEEE 802.11i WLAN Security – III Overview – I Overview – II Overview – III |

Here’s the list of Best Reference Books in Cryptography and Network Security.

**Wish you the best in your endeavor to learn and master Cryptography and Network Security!**