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SEH-04 Flashcards | StudBud
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SEH-04
SEH-04
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Answers
1
How does a hash function work?
By encrypting data
By compressing files
By enhancing data speed
By converting data into a fixed-size string
2
In cybersecurity, what is a 'salt'?
A tool for network scanning
Extra data added to a password before hashing
A virus detection method
A decryption key
3
Hashcat is a tool for what purpose?
Data mining
File compression
Cybersecurity training
Password recovery
4
True or False: Longer passwords are generally more secure than complex shorter ones.
TRUE
FALSE
5
Which method always guarantees success in password cracking given unlimited time?
Encryption
Brute-force attacks
Phishing
Social engineering
6
What is an example of a hash type?
AES
WEP
SHA-256
RSA
7
What is the main purpose of hashing in cybersecurity?
Password protection
File encryption
Data compression
Network monitoring
8
Can online services crack hashes?
Yes, some offer hash cracking
Only government agencies can
Yes, but it's illegal
No, it's impossible
9
What is John the Ripper primarily used for?
Encrypting files
Developing firewalls
Monitoring network traffic
Password cracking
10
Which of these is a characteristic of a good hash function?
Sensitive to input changes
Reversible outputs
Large output sizes
Quick to compute
11
What is a brute-force attack?
A cybersecurity framework
An advanced encryption method
Repeated trial-and-error method to guess passwords
A type of virus
12
What is a key mitigation against offline brute-force attacks?
Regular password changes
Disconnecting from the internet
Long, complex passwords
Using antivirus software
13
True or False: Salting a hash adds extra security.
FALSE
TRUE
14
True or False: Online brute-force attacks involve guessing passwords over a network.
FALSE
TRUE
15
Hydra and Ncrack are tools used for what?
Network monitoring
Website development
Online brute-force attacks
Encryption
16
What's a primary strategy against online brute-force attacks?
Using simple passwords
Strong password policies
Frequent server reboots
Regular software updates
17
What does MD5 stand for?
Message Digest 5
Modular Design 5
Multi-Dimensional 5
Mega Data 5
18
How does hashing differ from encryption?
Hashing is reversible, encryption isn't
Both are irreversible
Both serve the same purpose
Encryption is reversible, hashing isn't
19
Define an offline brute-force attack.
Attacking a disconnected network
Decoding messages without internet
Cracking stored password data
Physically attacking servers
20
True or False: Hashes can be easily decrypted.
FALSE
TRUE
