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Cybersecurity Essentials: Chapter 4 Review Flashcards | StudBud
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Cybersecurity Essentials: Chapter 4 Review
Cybersecurity Essentials: Chapter 4 Review
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The Quiz! Review for Chapter 4 of Cybersecurity Essentials, The Art of Protecting Secrets
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Answers
1
Which type of security controls repair damage and stop any further damage from happening?
Deterrent Security Controls
Compensative Security Controls
Corrective Security Controls
Recovery Security Controls
2
What type of access controls are hardware and software solutions to manage access?
Deterrent Access Controls
Physical Access Controls
Administrative Access Controls
Logical Access Controls
3
Which asymmetric algorithm uses the product of two very large prime numbers?
Elliptic Curve Cryptography (ECC)
Diffie-Hellman (DH)
ElGamal
Rivest-Shamir-Adleman (RSA)
4
Which AAA service identifies who is allowed to use services and systems in a company?
Accessibility
Authentication
Authorization
Accounting
5
Which type of security controls provide options to other controls to strengthen their use?
Deterrent Security Controls
Compensative Security Controls
Preventive Security Controls
Corrective Security Controls
6
What is NOT a common example of a symmetric encryption algorithm?
International Data Encryption Algorithm (IDEA)
Advanced Encryption Standard (AES)
Diffie-Hellman (DH)
Triple DES (3DES)
7
What is NOT an example of a logical access control?
Swipe Cards
Firewalls
Biometrics
Encryption
8
Which aspect of key management ensures that keys cannot ever be recovered?
Key Revocation
Key Storage
Key Verification
Key Destruction
9
What type of technology replaces sensitive information with a non-sensitive version?
Data Masking
Software Watermarking
Spyware
Hidden
10
Which asymmetric algorithm uses the government standard for digital signatures?
Diffie-Hellman (DH)
Rivest-Shamir-Adleman (RSA)
ElGamal
Elliptic Curve Cryptography (ECC)
11
Which encryption algorithm is used for most encrypting file systems, such as NTFS?
DES
AES
A5
3DES
12
What is NOT an example of an administrative access control?
Guards
Hiring Practices
Data Classification
Policies and Procedures
13
What changes software into a similar version to the original, but makes it harder to analyze?
Data Masking
Software Watermarking
Software Obfuscation
Steganography
14
What is the discovery that hidden data exists in a specific medium?
Software Watermarking
Data Masking
Steganography
Steganalysis
15
Which aspect of key management ensures that keys can be shared in a secure way?
Key Exchange
Key Storage
Key Lifetime
Key Verification
16
Which type of encryption algorithm has more secure key management procedures?
Symmetric
Asymmetric
RSA
DES
17
What term means using two or more ways to authenticate a user?
Multiple Authentications
Several Step Authentication
Multi-factor Authentication
Leveled Authentication
18
What is the name for when letters are replaced in an encryption algorithm?
Transposition
Substitution
One-Time Pad
Shuffling
19
What is the process of scrambling data so that an unauthorized party cannot read it easily?
Secret Agent Work
Encryption
Decryption
Obscuration
20
Which part of key management ensures that keys are saved in a secure way?
Key Storage
Key Exchange
Key Verification
Key Lifetime
21
What is the formal name for encrypted data when discussing encryption?
Obscured text
Encrypted text
Hidden text
Ciphertext
22
Which of the following terms describes the size of a key in bits?
Key Measure
Keyspace
Key Stretch
Key length
23
Which of the following is used to encrypt and decrypt messages?
Cipher
Username
PII
Key
24
Which type of biometric identifiers relate to the way a user acts or does things?
Genetic characteristics
Physiological characteristics
Location characteristics
Behavioural characterisitics
25
What type of access controls relate to personnel and business practices?
Administrative Access Controls
Logical Access Controls
Physical Access Controls
Deterrent Access Controls
26
Which encryption algorithm is used by the electronic payment industry?
AES
A5
DES
3DES
27
Which type of biometric identifiers relate to physical features?
Location characteristics
Physiological characteristics
Genetic characteristics
Behavioural characterisitics
28
Which data masking technique derives a substitution set from the same column of data?
Nulling Out
Substitution
Shuffling
Transposition
29
Which access control strategy grants or restricts access based on the subject's job functions?
Discretionary Access Control
Mandatory Access Control
Role-Based Access Control
Rule-Based Access Control
30
What is the name for the most common approach to embed data in a cover image?
Most Significant Bits (MSB)
Least Significant Bits (LSB)
Pictocryption
Pixelography
31
Which part of the cyptographic process is typically attacked by criminals?
The key management system
The user
The message
The algorithm
32
What is the name for a file that has a hidden message embedded in it?
Privacy Packet
Cover-file
Stego-file
Secrenvelope
33
What is the name for when letters are rearranged in an encryption algorithm?
One-Time Pad
Nulling Out
Transposition
Substitution
34
Which access control strategy restricts users based on clearance levels?
Discretionary Access Control
Role-Based Access Control
Mandatory Access Control
Rule-Based Access Control
35
What type of policy defines authorization based on an employee's standing in the company?
Job Membership Policy
Authority Level Policy
Role-based Policy
Group Membership Policy
36
Which data masking technique applies a null value to a particular field?
Shuffling
Transposition
Substitution
Nulling Out
37
What is a device or app that uses cryptography to generate a one-time password?
One-Time Pad
One-Time Password-Generating Token
Security Key Fob
Swipe Card
38
Which aspect of key management notifies users that a key is no longer able to be used?
Key Destruction
Key Revocation
Key Verification
Key Lifetime
39
What type of cipher transforms plaintext one byte or one bit at a time?
DES
Stream Ciphers
A5
Block Ciphers
40
What is NOT an example of a physical access control?
Guard Dogs
Routers
Security Cameras
Fences
41
What is the name for taking two sets of the alphabet and shifting a set to encrypt a message?
Vignere cipher
Caesar cipher
Enigma Machine
Scytale
42
Which asymmetric algorithm uses elliptic curves and is used by the NSA?
Diffie-Hellman (DH)
Elliptic Curve Cryptography (ECC)
ElGamal
Rivest-Shamir-Adleman (RSA)
43
Which access control strategy restricts actions that a subject can perform on an object?
Discretionary Access Control
Role-Based Access Control
Mandatory Access Control
Rule-Based Access Control
44
Which block cipher algorithm is used by the US government to protect classified information?
Triple DES (3DES)
Data Encryption Standard (DES)
Advanced Encryption Standard (AES)
International Data Encryption Algorithm (IDEA)
45
Which access control strategy grants or restricts object access based on the object's owner?
Role-Based Access Control
Rule-Based Access Control
Discretionary Access Control
Mandatory Access Control
46
Which process in key management identifies and regenerates weak keys?
Key Exchange
Key Verification
Key Generation
Key Storage
47
Which type of encryption algorithm should be used for key exchanges?
DES
Asymmetric
RSA
Symmetric
48
What type of authentication method would a swipe card be?
Something you have
Something you know
Something you are
Something you do
49
What type of cipher transforms a fixed length of plaintext into a common block of ciphertext?
3DES
Block Ciphers
A5
Stream Ciphers
50
What type of policy defines authorization based on membership in a specific group?
Authority Level Policy
Role-based Policy
Job Membership Policy
Group Membership Policy
51
What is the process of hiding data in a graphic, audio, or other text file?
Steganography
Encryption
Obfuscation
Masking
52
Which asymmetric algorithm provides a secure way to exchange secret keys?
Elliptic Curve Cryptography (ECC)
Rivest-Shamir-Adleman (RSA)
Diffie-Hellman (DH)
ElGamal
53
Which type of security controls discourage criminals from gaining unauthorized access?
Recovery Security Controls
Deterrent Security Controls
Preventive Security Controls
Corrective Security Controls
54
What is the formal name for readable data when discussing encryption?
Plaintext
Easytext
Unchanged text
Cleartext
55
Which of the following terms describes the number of possible keys for a specific key length?
Key options
Keyspace
Key probabilities
Key changes
56
What is hiding info by creating a message that can be read correctly by certain people called?
Steganography
Data Masking
Social Steganography
Software Obfuscation
57
True or False: The Caesar cipher is a strong form of encryption.
FALSE
TRUE
58
Which AAA service controls what a user can and cannot do on the network?
Authentication
Authorization
Accounting
Accessibility
59
What type of authentication method would a one-time passcode be?
Something you do
Something you are
Something you know
Something you have
60
Which aspect of key management discusses how long a key is useful for?
Key Lifetime
Key Storage
Key Revocation and Destruction
Key Verification
61
What is the process of changing ciphertext back into plaintext?
Unobscuration
Decryption
Encryption
Hacking
62
Which data masking technique replaces data with authentic looking values?
Substitution
Transposition
Nulling Out
Shuffling
63
What type of authentication method would an eye scan be?
Something you do
Something you know
Something you have
Something you are
64
What type of algorithm uses a public key for encryption and a private key for decryption?
Symmetric
Private-Key
Public-Key
Asymmetric
65
Which of the following is NOT a protocol that uses asymmetric encryption?
Secure Shell (SSH)
Secure File Transfer Protocol (SFTP)
Secure Sockets Layer (SSL)
Pretty Good Privacy (PGP)
66
Which encryption algorithm is used to protect user files and system data with passwords?
A5
DES
3DES
AES
67
Which of the following two options is the more secure way to protect a cryptographic system?
Protect the Keys
Protect the Algorithm
68
What is a way to store and transmit data so only the intended receiver can read or process it?
Obscurography
Codography
Cryptography
Secrography
69
What is the name for the algorithm an encryption method uses?
Cipher
RSA
Scrambler
Hider
70
What is the name for the science of making and breaking secret codes?
Codology
Secrology
Cryptology
Obscurology
71
Which type of encryption algorithm is more efficient and can handle more data?
DES
Symmetric
Asymmetric
RSA
72
Which access control strategy uses access controls lists (ACLs) to grant or restrict access?
Mandatory Access Control
Rule-Based Access Control
Role-Based Access Control
Discretionary Access Control
73
Which process in key management requires the use of good random number generators?
Key Lifetime
Key Revocation and Destruction
Key Generation
Key Verification
74
Which type of security controls stop unwanted or unauthorized activity from happening?
Preventive Security Controls
Deterrent Security Controls
Compensative Security Controls
Detective Security Controls
75
Which type of security controls restore systems to normal after unauthorized activity occurs?
Corrective Security Controls
Recovery Security Controls
Deterrent Security Controls
Compensative Security Controls
76
What type of access controls are actual barriers put in place to prevent access to systems?
Logical Access Controls
Physical Access Controls
Administrative Access Controls
Deterrent Access Controls
77
What is an example of a stream cipher algorithm?
A5
Blowfish
Elliptic Curve Cryptography
3DES
78
What is an example of a block cipher algorithm?
DES
RSA
A5
ElGamal
79
What is the name for when plaintext is combined with a secret key to create a new character?
Transposition
One-Time Pad
Substitution
Masking
80
What is the art of making a message confusing, ambiguous, or harder to understand?
Obfuscation
Steganography
Data Masking
Encryption
81
Which type of security controls allow attacks and threats to be caught as they occur?
Detective Security Controls
Recovery Security Controls
Preventive Security Controls
Compensative Security Controls
82
Which AAA service traces actions to a person or process that has done something on the system?
Authentication
Authorization
Accessibility
Accounting
83
What is the name for inserting a secret message into a program as proof of ownership?
Software Watermarking
Data Masking
Steganography
Software Obfuscation
84
What is the name for the file where a hidden message will be inserted?
Envelope
Packet
Stego-file
Cover-file
85
What program uses the International Data Encryption Algorithm (IDEA)?
Pretty Good Privacy (PGP)
Wireshark
Zenmap
GNU Privacy Guard (GPG)
86
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
You need a new key for each person you communicate with
It is slower than asymmetric algorithms
87
Which algorithm is simpler and requires less computational power?
Asymmetric
Symmetric
88
What type of algorithm uses the same pre-shared key for encryption and decryption?
Symmetric
Asymmetric
Public-Key
Private-Key
