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Cybersecurity Essentials: Chapter 4 Part 1 Flashcards | StudBud
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Cybersecurity Essentials: Chapter 4 Part 1
Cybersecurity Essentials: Chapter 4 Part 1
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The Quiz! Review for Chapter 4 of Cybersecurity Essentials, The Art of Protecting Secrets
Flashcards
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Questions
25
Answers
1
What is a way to store and transmit data so only the intended receiver can read or process it?
Codography
Obscurography
Secrography
Cryptography
2
What is an example of a stream cipher algorithm?
Elliptic Curve Cryptography
A5
3DES
Blowfish
3
What is the process of changing ciphertext back into plaintext?
Encryption
Unobscuration
Hacking
Decryption
4
What is the name for the algorithm an encryption method uses?
Hider
RSA
Cipher
Scrambler
5
What program uses the International Data Encryption Algorithm (IDEA)?
Wireshark
Zenmap
GNU Privacy Guard (GPG)
Pretty Good Privacy (PGP)
6
What is a disadvantage of symmetric algorithms?
It requires you to protect the algorithm instead of the keys
It can only encrypt small amounts of data
It is slower than asymmetric algorithms
You need a new key for each person you communicate with
7
Which part of the cyptographic process is typically attacked by criminals?
The message
The algorithm
The key management system
The user
8
What type of algorithm uses the same pre-shared key for encryption and decryption?
Asymmetric
Symmetric
Public-Key
Private-Key
9
What type of cipher transforms a fixed length of plaintext into a common block of ciphertext?
A5
Block Ciphers
3DES
Stream Ciphers
10
What is an example of a block cipher algorithm?
A5
RSA
DES
ElGamal
11
Which algorithm is simpler and requires less computational power?
Symmetric
Asymmetric
12
What is the name for when plaintext is combined with a secret key to create a new character?
Masking
Substitution
Transposition
One-Time Pad
13
What type of algorithm uses a public key for encryption and a private key for decryption?
Private-Key
Asymmetric
Symmetric
Public-Key
14
What is NOT a common example of a symmetric encryption algorithm?
Advanced Encryption Standard (AES)
International Data Encryption Algorithm (IDEA)
Triple DES (3DES)
Diffie-Hellman (DH)
15
What is the name for when letters are rearranged in an encryption algorithm?
Substitution
Nulling Out
One-Time Pad
Transposition
16
Which of the following two options is the more secure way to protect a cryptographic system?
Protect the Keys
Protect the Algorithm
17
What is the name for taking two sets of the alphabet and shifting a set to encrypt a message?
Caesar cipher
Vignere cipher
Enigma Machine
Scytale
18
What is the name for the science of making and breaking secret codes?
Codology
Cryptology
Obscurology
Secrology
19
What is the name for when letters are replaced in an encryption algorithm?
Transposition
One-Time Pad
Shuffling
Substitution
20
What is the formal name for readable data when discussing encryption?
Easytext
Unchanged text
Cleartext
Plaintext
21
What is the process of scrambling data so that an unauthorized party cannot read it easily?
Encryption
Obscuration
Secret Agent Work
Decryption
22
What is the formal name for encrypted data when discussing encryption?
Encrypted text
Hidden text
Obscured text
Ciphertext
23
True or False: The Caesar cipher is a strong form of encryption.
FALSE
TRUE
24
Which of the following is used to encrypt and decrypt messages?
Key
Cipher
PII
Username
25
What type of cipher transforms plaintext one byte or one bit at a time?
Stream Ciphers
A5
Block Ciphers
DES
