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

1. 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

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

Constant-time retrieval

Automatic sorting

Reduced memory usage

Parallel processing

3. 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

4. What is the role of 'iterated hashing' in strengthening hash function security?

To increase hash table efficiency

To eliminate hash table overflow

To enhance collision resolution

To make it computationally expensive to find collisions

5. What is the primary purpose of 'salting' in cryptographic hashing?

To enhance the flavor of the hash

To prevent hash table overflow

To improve collision resolution

To protect against rainbow table attacks

6. 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

7. 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

8. How does a hash function contribute to the security of password storage?

By encrypting passwords

By generating unique hashes

By compressing password data

By randomizing password characters

9. 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

10. 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

Hashing MCQ Test 5