Cryptography DES Quiz

Cryptography DES Quiz

University

9 Qs

quiz-placeholder

Similar activities

Introduction To Wireless Network

Introduction To Wireless Network

University

10 Qs

Symmetric Cryptography

Symmetric Cryptography

University

10 Qs

EC335 - Quiz 1

EC335 - Quiz 1

University

10 Qs

Computer Fun Review 3

Computer Fun Review 3

University

12 Qs

CB3491 CRYPTOGRAPHY AND CYBER SECURITY

CB3491 CRYPTOGRAPHY AND CYBER SECURITY

University

10 Qs

Computer  Fundamentals

Computer Fundamentals

10th Grade - Professional Development

10 Qs

Exercise 1.2 DFS40143

Exercise 1.2 DFS40143

University

10 Qs

2.6 Encryption

2.6 Encryption

9th Grade - University

9 Qs

Cryptography DES Quiz

Cryptography DES Quiz

Assessment

Quiz

Computers

University

Medium

Created by

Manila Auto

Used 2+ times

FREE Resource

9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does DES stand for?

Data Encoding System

Dynamic Encryption Standard

Digital Encryption System

Data Encryption Standard

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the block size of DES?

64 bits

256 bits

128 bits

32 bits

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many rounds of encryption does DES use?

8

16

4

32

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the size of the key in DES?

56 bits

64 bits

128 bits

32 bits

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of encryption algorithm is DES?

Symmetric key encryption

Asymmetric key encryption

Public key encryption

Hashing algorithm

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many subkeys are generated in the key generation process of DES?

16

32

8

4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the size of the input to the key generation process in DES?

64 bits

256 bits

32 bits

128 bits

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the size of the output from the key generation process in DES?

128 bits

64 bits

56 bits

48 bits

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the permutation in the key generation process of DES?

To create a subkey for encryption and decryption

To compress the key

To increase the key length

To generate random numbers