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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
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
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4-2-3-5-1
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