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Create an image of a digital lock surrounded by binary code and network symbols, illustrating concepts of cryptography and network security.

Network Security Quiz

Test your knowledge on network security concepts, cryptography, and data protection techniques. This quiz features 45 well-crafted questions that cover a range of topics, from encryption methods to security requirements. Perfect for students, educators, and professionals alike!

Key Features:

45 multiple-choice questions
Instant feedback on answers
Improve your understanding of security protocols

45 Questions11 MinutesCreated by SecureData101

1-RFC 2828 ensures adequate security of the systems or of data transfers

True

False

2-Involve algorithms and secret info it is the considered as security challenge

True

False

3-Whats is message integrity in the network security ?

Message not altered without detection

Confirm identity

Decrypts message

Services must be accessible and available to users

4-The one of a secure communication Requirements is

Confidentiality

Availability

Encryption

Message Integrity

5-The one of Cryptography Components

Secrecy

Authentication

Confidentiality

Availability

6-Examples of the availability in the security requirements

Bank accounts

Authentication service

Bills

Patient information

7-Removing sender or receiver, inserting himself in place

Denial of service

Impersonation

Eavesdrop

Hijacking

8-One of the Key of Security Concepts

Cryptography

Secrecy

Authentication

Confidentiality

9-Single mechanism could be support all services required

True

False

10-Security labels it is the one of the pervasive security mechanisms

True

False

11-Encipherment it the one of the pervasive security mechanisms

True

False

12-Info used in cipher known only to sender and receiver

Key

Algorithm

Decipher

Encipher

13-in the Public Key Encryption we generates 2 keys

True

False

14-In the Symmetric Encryption Principles the encryption scheme has 6 ingredients

True

False

15-Scrambled message produced

Plaintext

Secret key

Decryption algorithm

Ciphertext

16-Attacker can be decrypt the Ciphertext by

Several knowledge of the plaintext

Deduce the secret key

Cryptanalysis

Ciphertext samples

17-Decryption algorithm are essentially the encryption algorithm run in forward .

True

False

18-Same key is used for encryption & decryption the algorithm is called

Public Key

Cipher

Asymmetric

Symmetric

19-Plaintext message is encrypted and decrypted with Key (ab)

Asymmetric encryption

Public Key Encryption

Symmetric encryption

Authentication

20-security of symmetric encryption depends on the secrecy of the algorithm

True

False

21-Whats is the Ciphertext mean ?

Algorithm

Transforming plaintext to ciphertext

Coded message

Original message

22-The primary goal for Network administrator

Secure the network’s servers

Secure the network’s infrastructure

Secure the network’s Software

Secure the network’s Routers

23-Homophone Codes Example of Polyalphabetic codes

True

False

24-One of the creating cipher text method

OTP

Secret Key

Encryption Algorithm

Implement security controls

25-PIN similar to

Authentication

Integrity

Confidentiality

26-Transposition are the methods of creating cipher text

True

False

27-The different key shift is identified using a privet key between sender and receiver

True

False

28-Readable data is called

E-Text

Decrypt a message

Plaintext

Ciphertext

29-LAN can be secured by

Hardware

Hardware\Software

Firewall features

Firewall Devices

30-Replacing each character of the clear text by one or more symbols

Block permutations

Cryptology

Permutations of columns

Simple principle

31-The key length refers to

Data size

Data lingth

Data type

Size of the encryption key

32-The bifid alphabet matrix must be square

True

False

33-In the bifid codes we reading the indices vertically

True

False

34-Shorter key lengths mean slower execution

True

False

35-What is the numeric code of the keyword MONEY

24315

24351

42315

42351

36-The Polyalphabetic codes using Caesar table to encrypt the characters

True

False

37-What kind of Transposition that using swapping the message from the keyword

Alphabets transposed

Block permutations

Simple principle

Permutations of columns

38-In Symmetric Algorithms, which Algorithm use rotated by three letters

Polyalphabetic Cipher

Monoalphabetic Cipher

Vigenere Cipher

Caesar Cipher

39-Algorithms that using separation of a message into blocks

Simple principle

Block permutations

Alphabets transposed

Permutations of columns

40-Algorithms that using transposition as part of it

DES

DSE

AES

RSA

41-In Symmetric Algorithms, which Algorithm use pairing letters

Polyalphabetic Cipher

Caesar Cipher

Monoalphabetic Cipher

Vigenere Cipher

42-Replacing each character of the clear text by one or more symbols

Simple principle

Cryptology

Permutations of columns

Block permutations

43-In Symmetric Algorithms, which Algorithm use sequence of monoalpabetic

Polyalphabetic Cipher

Caesar Cipher

Cyphers Cipher

Monoalphabetic Cipher

44-Transposition method write plain message in a matrix from left to right and top to bottom

Permutations of columns

Alphabets transposed

Simple principle

Block permutations

wahts the cryptogram order matrix

cryptogram = AI RIELEKBRTMBOO IP

I M A K

E B I B

L I O R

E P O R T

2-4-5-3-1

4-2-5-3-1

4-1-5-3-2

4-2-3-5-1

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