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Cybersecurity Essentials: Chapter 5 Review Flashcards | StudBud
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Cybersecurity Essentials: Chapter 5 Review
Cybersecurity Essentials: Chapter 5 Review
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A Quiz! Review for Chapter 5 of Cybersecurity Essentials
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Questions
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Answers
1
What is established when an examiner knows that one set of bits is identical to the original?
A restore point
Fixity
Similarity
Validity
2
True or False: A hash value for two different sets of data will never be the same.
TRUE
FALSE
3
What is a term that means that a user cannot deny having sent or received a message?
Integrity
Authenticity
Non-repudiation
Trust
4
What is the name for the rules required to create, manage, use, etc. digital certificates?
Public Key Infrastructure (PKI)
Asymmetric Infrastructure
X.509
Priority Kernel Internet (PKI)
5
What is NOT a common validation rule criteria?
Randomness
Size
Format
Check Digit
6
What password attack stores pre-computed hashes beside the related passwords in a dictionary?
Dictionary attack
Lookup Table
Brute-force attack
Reverse Lookup Table
7
What password attack guesses all possible combinations of characters up to a given length?
Rainbow Table
Dictionary attack
Brute-force attack
Lookup Table
8
Which database integrity rule is a set of user rules and does not relate to other rules?
Referential Integrity
Domain Integrity
User-Defined Integrity
Entity Integrity
9
What is NOT something hash functions can do?
Encrypt and decrypt data
Prove that data is authentic (from a specific sender)
Protect against accidental changes or corruption
Prove that data has not been changed
10
What is used to generate random salts?
Elliptic Curves
Cryptographic Safety Perfectly Random Name Generators (CSPRNGs)
Lava Lamps
Cryptographic Secure Pseudo-Random Number Generators (CSPRNGs)
11
What is the name for checking whether a user is inputting the type of characters expected?
Data Field Validation Controls
Drop Down Master Controls
Data Type Validation
Validation Rules
12
What is the name for the chain of certificates that lead to a specific certificate?
Chain of Integrity
Chain of Trust
Chain of Authentication
Chain of Certificates
13
What is NOT an application that uses hash functions?
IP Security (IPsec)
Public Key Infrastructure (PKI) certificates
Challenge Handshake Authentication Protocol (CHAP)
Pretty Good Privacy (PGP)
14
What is the name for organizations that give out digital certificates to people?
Certificate Authority (CA)
Internet Assigned Numbers Authority (IANA)
Internet Engineering Task Force (IETF)
Government-licensing Agency
15
Which database integrity rule relates to foreign keys?
Entity Integrity
Referential Integrity
User-Defined Integrity
Domain Integrity
16
What password attack provides a list of users that match a guessed password?
Reverse Lookup Table
Rainbow Table
Dictionary attack
Lookup Table
17
Which is NOT a property of cryptographic hash functions?
Two different inputs will almost never give the same hash values
The output has a fixed length
The function is one-way and is very difficult to reverse
The input must be a certain length
18
How should passwords be stored in password databases?
Using RSA encryption
Passwords should never be stored
In plaintext
Using cryptographic hash functions
19
What field uses hashing to verify that a digital clone has all the data from an original drive?
Penetration Testing
Steganography
Digital Forensics
Software Development
20
What is a method used to check the authenticity and integrity of digital documents?
Digital signatures
Digital certificates
HMAC
ElGamal encryption and decryption
21
What is NOT a popular hash function?
SHA-256
Secure Hash Algorithm 1 (SHA-1)
Message Digest 5 (MD5)
Rivest-Shamir-Adleman (RSA)
22
What is a tool that takes data and produces a fixed-length representation of the data?
Obfuscation
Encryption
Hashing
Data Masking
23
What is the standard used to define the common structure of all PKI certificates?
X.509
802.11
T2202
RFC 1881
24
What password attack guesses passwords by using a file of common words, phrases, and passwords?
Lookup Table
Brute-force attack
Dictionary attack
Rainbow Table
25
What is NOT a way to ensure database integrity?
Hashing
Validation rules
Data entry controls
Anomaly verification
26
Which of the following hash algorithms have been shown to be insecure?
SHA-1
MD5
AES
SHA-256
27
What is the name for using a list of choices instead of making users type their choice?
Data Type Validation
Data Field Validation Controls
Drop Down Master Controls
Validation Rules
28
What is NOT a common digital signature algorithm?
Rivest-Shamir-Adleman (RSA)
Elliptic Curve Digital Signature Algorithm (ECDSA)
Digital Signature Algorithm (DSA)
Skipjack
29
What is the term for verifying data modifications when a system detects unusual patterns?
Validation rules
Data entry controls
Hashing
Anomaly verification
30
True or False: The salt should be added to the end of the password.
TRUE
FALSE
31
When downloading files from the Internet, how can you check if the file downloaded is correct?
Use HTTPS
Check that the website is the correct website
The Internet is a safe place so I don't have to worry
Compare the hash value provided by the website to the value from your file
32
What is NOT a type of attack used to crack hashed passwords?
Rainbow Table
Dictionary attack
Lookup Table
Regex attack
33
Which type of algorithm adds a secret key into a hash to add authentication to hashing?
SHA-2
ECDSA
HMAC
Salting
34
What is used to authenticate and verify that users are who they claim to be over the Internet?
Digital Certificates
HMACs
Encryption/Decryption
Hashing
35
Which database integrity rule makes sure that all data in a column have proper values?
Referential Integrity
User-Defined Integrity
Domain Integrity
Entity Integrity
36
What is an example of how digital signatures are used in Internet communication?
VPNs
Pretty Good Privacy (PGP) encryption
Code Signing
Digital certificates
37
What is the fixed-length representation of data (the result of a hash function) called?
MD5
Cipher text
Hash value
Message digest
38
Which database integrity rule relates to databases needing a primary key for every entry?
Referential Integrity
Entity Integrity
Domain Integrity
User-Defined Integrity
39
What is typically added to passwords to make password hashing more secure?
Randomly-generated pepper
Randomly-generated cumin
A hashed secret key
Randomly-generated salt
40
What password attack uses a smaller table with a large amount of solutions to hashes?
Rainbow Table
Reverse Lookup Table
Dictionary attack
Brute-force attack
41
Which database integrity rule means that table relationships should not be changed?
Entity Integrity
User-Defined Integrity
Referential Integrity
Domain Integrity
42
Which type of cryptography is used with digital signatures?
Asymmetric Encryption
Symmetric Encryption
Block Encryption
Stream Encryption
43
Which of the following is NOT a practical use of HMACs?
Cisco routing protocol updates
IPsec VPNs
Authenticating a web user
Digital signatures
44
What makes brute-force attacks more time-consuming using repeated hashing?
Key stretching
Key Secrecy
Salting
Key logging
45
What is the name for seeing if data falls within a set to ensure completeness of data?
Data Type Validation
Validation Rules
Drop Down Master Controls
Data Field Validation Controls
46
What is the name for setting up rules for basic checks on user input?
Drop Down Master Controls
Validation Rules
Data Field Validation Controls
Data Type Validation
47
What is NOT one of the processes that occurs when a certificate is received and validated?
Chain of Trust Sequencing
Revocation
Path Validation
Certificate Discovery
48
True or False: A password database will store the password hash and the salt.
TRUE
FALSE
49
To which type of attack is hashing vulnerable?
Man-in-the-middle
Denial of Service (DoS)
Worms
Social Engineering
50
What is NOT a proper way to use a salt?
Hash on the server in a web application
The salt is unique for every user password
The length of the salt is between 4 and 8 digits
Salts are never reused
