Cutting-edge Hashing Test - 58+ MCQs: Hashing Quiz: Test Your Knowledge with Hash Function Questions

1. What is the primary advantage of using 'cryptographic hash functions'?

Efficient collision resolution

Secure storage of passwords

Fast retrieval in hash tables

Optimized hash table resizing

2. How does 'time-memory trade-off' impact the security of hash functions in password hashing?

It guarantees a unique hash value for each key

It ensures efficient hash table resizing

It allows attackers to trade time for memory consumption

It prevents hash table overflow

3. What is the significance of 'collision resistance' in cryptographic hashing?

It guarantees a unique hash value for each key

It prevents hash table overflow

It ensures efficient hash table resizing

It makes it difficult to find two different inputs with the same hash value

4. What role does 'KDF (Key Derivation Function)' play in strengthening hash functions for secure key storage?

It enhances hash table efficiency

It prevents hash table overflow

It provides a means to derive cryptographic keys

It guarantees a unique hash value for each key

5. What is the primary purpose of 'post-quantum hash functions' in the context of quantum computing?

To prevent hash table collisions

To guarantee a unique hash value for each key

To resist attacks from quantum computers

To ensure efficient hash table resizing

6. How does 'universal hashing' contribute to the security of hash functions?

By generating complex hash codes

By eliminating collisions

By minimizing bias in hash code generation

By providing unpredictable hash values

7. How does 'zero-knowledge proof' relate to the security of hash functions in cryptographic protocols?

It eliminates hash table overflow

It guarantees a unique hash value for each key

It prevents hash table collisions

It allows one party to prove knowledge of a secret without revealing the secret itself

8. In the context of hashing, what is a 'collision'?

A hash table overflow

A mistake in the hash function

Multiple keys mapping to the same hash value

A limitation of linear probing

9. What is the significance of 'pebbling arguments' in the analysis of hash functions?

They eliminate hash table overflow

They guarantee a unique hash value for each key

They measure the efficiency of resizing

They provide a framework for proving the security of hash functions

10. How does 'birthday paradox' relate to hash functions?

It ensures a unique hash value for each key

It measures the efficiency of resizing

It predicts hash table overflow

It deals with the likelihood of two inputs having the same hash value

11. What is the purpose of a 'universal hash function'?

To generate random hash values

To handle collisions in hash tables

To guarantee a unique hash value for each key

To compress data

12. What impact does 'length extension vulnerability' have on hash function security?

It enhances hash table efficiency

It guarantees a unique hash value for each key

It allows an attacker to compute hash values for appended data

It prevents hash table overflow

13. How does the choice of hash function impact the efficiency of a hash table?

No impact on efficiency

It affects the speed of retrieval

It only impacts insertion

It influences collision resolution

14. What is the significance of 'HMAC (Hash-based Message Authentication Code)' in hash function applications?

It ensures efficient hash table resizing

It provides a means of verifying data integrity

It prevents hash table overflow

It guarantees a unique hash value for each key

15. How does 'collision-based cryptanalysis' impact the security of hash functions?

It eliminates hash table overflow

It prevents hash table collisions

It measures the efficiency of resizing

It aims to find collisions in hash functions

16. What role does the 'prime number' play in some hash function implementations?

It influences the hash code generation

It determines the load factor

It minimizes collisions

It impacts the efficiency of resizing

17. How does 'key stretching' contribute to password security?

By ensuring a unique hash value for each key

By preventing hash table overflow

By increasing the computational cost for attackers

By eliminating hash table collisions

18. What is the primary advantage of 'open addressing' in collision resolution?

Minimal memory usage

Efficient handling of load factor

Elimination of collisions

Enhanced hash function complexity

19. How does 'perfect hashing' impact the time complexity of hash table operations?

It increases time complexity

It decreases time complexity

It has no impact on time complexity

It depends on the hash function

20. What is the significance of the 'load factor' in hash tables?

It determines the size of the hash table

It indicates the percentage of filled slots

It represents the complexity of the hash function

It measures the speed of hash table operations

21. How does 'rainbow table' attacks relate to the security of hash functions?

They enhance hash table efficiency

They prevent hash table overflow

They exploit weaknesses in password hashing

They minimize collisions

22. How does 'cuckoo hashing' handle collisions?

By chaining collided values

By using multiple hash functions

By rehashing the collided values

By swapping keys between multiple tables

23. In the context of hash functions, what does 'avalanche effect' refer to?

The impact of load factor on hash table efficiency

The amplification of collisions

The influence of the seed on hash code generation

The significant change in hash code with a small input change

24. What impact does 'preimage resistance' have on cryptographic hash functions?

It prevents hash table overflow

It guarantees a unique hash value for each key

It ensures efficient hash table resizing

It makes it difficult to determine the original input from the hash value

25. What is the primary purpose of 'minimal perfect hashing'?

To eliminate collisions

To guarantee a unique hash value for each key

To ensure efficient hash table resizing

To minimize memory usage

26. Why is it important to choose a hash function with low collision rates?

To reduce the load factor

To minimize memory usage

To improve efficiency

To simplify hash table resizing

27. How does 'pepper' differ from 'salt' in hash function security?

Pepper is used to enhance hash flavor, while salt prevents rainbow table attacks

Pepper is an alternative term for salt

Salt is used to protect against rainbow table attacks, while pepper prevents hash collisions

Pepper and salt are interchangeable terms in hash function security

28. How does 'collision resistance' relate to the security of hash functions?

It guarantees a unique hash value for each key

It eliminates hash table overflow

It prevents hash table overflow

It makes it difficult to find two different inputs with the same hash value

29. What is the primary challenge in designing a good hash function?

Handling collisions

Ensuring a unique hash value for each key

Balancing the load factor

Avoiding bias in hash code generation

30. What is the purpose of 'salting' in cryptographic hash functions, especially in password storage?

To enhance the flavor of the hash

To eliminate hash table overflow

To prevent rainbow table attacks

To guarantee a unique hash value for each key

Hashing MCQ Test 3