Quiz Cyber 1A

Question 1

What is a firewall and what does it do ?

Accepted Answer

A system that monitors and filters network traffic

Question 2

What are the fundamental differences between a signature-based IDS and a behavior-based IDS ?

Accepted Answer

Signature-based IDSs are faster but unable to detect unknown attacks.

Question 3

Disabling cookies improves cybersecurity by blocking all viruses.

Accepted Answer

False

Question 4

Why is homomorphic encryption considered a major advancement in cybersecurity, and what are its current drawbacks ?

Accepted Answer

It allows computations to be performed on encrypted data.

Question 5

What is the ISO standard for crisis management in information security ?

Accepted Answer

27005

Question 6

Can a .png file contain a virus ?

Accepted Answer

True

Question 7

Software updates are unnecessary for cyber security.

Accepted Answer

False

Question 8

Which attack can recover an RSA private key without brute force if parts of the key are known ?

Accepted Answer

The Wiener attack

Question 9

What is the main risk associated with the use of a nonce reused in the AES-GCM encryption algorithm ?

Accepted Answer

It creates a vulnerability where an attacker can recover the plaintext

Question 10

What is the strongest password ?

Accepted Answer

XWuSMjMn8Odiq23x

Question 11

What is the difference between symmetric and asymmetric encryption ?

Accepted Answer

Symmetric encryption uses a single key, asymmetric encryption uses two

Question 12

The ‘Heap Spray’ attack consists of overloading an application's buffer memory to execute arbitrary code.

Accepted Answer

False

Question 13

How does a Zero-Day attack work ?

Accepted Answer

It exploits a security flaw unknown to developers

Question 14

A system that runs processes in ‘chroot jail’ mode is totally secure against privilege elevation.

Accepted Answer

False

Questions 14