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

1. What is the role of a 'seed' in hash functions, particularly in cryptographic hashing?

To influence the hash code generation

To improve collision resolution

To handle rehashing

To enhance randomization

2. 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

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. 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

5. How does 'double hashing' differ from other collision resolution techniques?

It uses multiple hash functions

It involves linked lists

It combines linear and quadratic probing

It employs two hash functions sequentially

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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

12. How does 'Merkle–Damgård construction' contribute to the design of secure hash functions?

It eliminates hash table overflow

It guarantees a unique hash value for each key

It provides resistance against preimage attacks

It enables the construction of hash functions for arbitrary lengths

13. 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

14. How does 'collision entropy' relate to the security of hash functions?

It ensures a unique hash value for each key

It measures the randomness of collisions

It prevents hash table overflow

It influences the efficiency of resizing

15. How does 'Bloom filter' use hashing for efficient data retrieval?

By eliminating hash table overflow

By storing hash values in a sorted array

By minimizing collisions

By using multiple hash functions to check for membership

16. 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

17. What is the significance of 'hash length extension attacks' in cryptographic hash functions?

They prevent hash table overflow

They exploit the predictability of hash functions

They enhance hash table efficiency

They guarantee a unique hash value for each key

18. What is the purpose of the 'hash code' generated by a hash function?

To store data in memory

To serve as an encryption key

To uniquely represent the data

To indicate the load factor

19. What is the main advantage of using a hash table for data storage?

Constant-time retrieval

Automatic sorting

Reduced memory usage

Parallel processing

20. 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

Hashing MCQ Test 4