What is a brute-force attack in cryptography?
Week 10 - Cyber Attacks Exercise 2

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Computers
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University
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Medium
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An attack that uses mathematical formulas to decrypt data.
An attack that involves trying all possible keys to decrypt the data.
An attack that involves manipulating the key during encryption.
An attack that exploits weak encryption algorithms.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a type of attack that tries to discover the encryption key by analyzing patterns in ciphertext?
Birthday attack
Dictionary attack
Ciphertext-only attack
Man-in-the-middle attack
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which attack involves intercepting and altering the communication between two parties without their knowledge?
Brute-force attack
Replay attack
Man-in-the-middle attack
Side-channel attack
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A cryptographic attack that exploits weaknesses in a hash function to produce two different messages with the same hash value is called what?
Collision attack
Birthday attack
Chosen-plaintext attack
Differential attack
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which type of cryptographic attack does the attacker have access to both the plaintext and its corresponding ciphertext?
Known-plaintext attack
Chosen-ciphertext attack
Chosen-plaintext attack
Ciphertext-only attack
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of attack involves flooding a target with excessive traffic, causing a denial of service?
SQL Injection
Denial of Service (DoS)
Cross-Site Scripting (XSS)
Buffer Overflow
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which attack targets a vulnerability in web applications that allows attackers to execute malicious SQL statements?
Cross-Site Request Forgery (CSRF)
Cross-Site Scripting (XSS)
Directory Traversal
SQL Injection
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