Cyber Security Network Security 1

Question 1

Which protocol provides encryption for data transmitted over a network by operating at the transport layer?

Accepted Answer

TLS

Answer

TLS (Transport Layer Security) encrypts data at the transport layer to protect it in transit.

Question 2

What type of firewall inspects the state of active connections and makes decisions based on connection context?

Accepted Answer

Stateful inspection

Answer

Stateful inspection firewalls track active connection states to allow or block traffic based on context.

Question 3

Which attack involves an adversary positioning themselves between two communicating parties to intercept traffic?

Accepted Answer

Man-in-the-Middle (MitM)

Answer

A Man-in-the-Middle attack intercepts communications between two parties without their knowledge.

Question 4

What is the primary purpose of a DMZ (Demilitarized Zone) in network architecture?

Accepted Answer

Host public-facing services while isolating the internal network

Answer

A DMZ isolates public-facing servers from the internal network, reducing the attack surface.

Question 5

Which port is used by default for HTTPS traffic?

Accepted Answer

443

Answer

HTTPS uses port 443 by default for encrypted web communication.

Cyber Security Practice Test