Advanced Cybersecurity Practice Test

Front

What is the fundamental difference between "hard" and "easy" problems in cryptography?

Back

Easy problems can be computed quickly, while hard problems are computationally difficult even for computers

Front

In asymmetric encryption, the same mathematical key is used for both encryption and decryption.

Back

False

Front

A ________ is the output from any input that has been processed through a hashing algorithm.

Back

digest

Front

What makes modulo math particularly useful in hashing algorithms?

Back

It creates a one-way function where the output hides the input very well

Front

Hash collisions occur whenever two different inputs produce the same output from a hash function.

Back

True

Front

What is the main security advantage of the RSA algorithm?

Back

It addresses the security issue of key authentication and prevents man-in-the-middle attacks

Front

A ________ is a mathematical function that is easy to compute in one direction but extremely difficult to reverse without special information.

Back

trapdoor function

Front

The Diffie-Hellman key exchange allows two parties to establish a shared secret key over an insecure communication channel.

Back

True

Front

17 mod 5

Back

2

Front

In public key encryption, you can safely share your _______ with anyone, while keeping your _______ completely secret.

Back

public key, private key