Cyber Security Jobs Network Security Fundamentals 2

Question 1

What is a man-in-the-middle (MITM) attack?

Accepted Answer

An attacker secretly intercepts and relays communication between two parties

Answer

In a MITM attack, an adversary secretly positions themselves between two communicating parties to eavesdrop or alter data.

Question 2

What does the acronym ACL stand for in network security?

Accepted Answer

Access Control List

Answer

An ACL (Access Control List) is a set of rules applied to a router or firewall that permits or denies traffic based on criteria like IP and port.

Question 3

Which protocol secures web traffic and is indicated by HTTPS in a browser?

Accepted Answer

TLS

Answer

TLS (Transport Layer Security) encrypts the connection between a browser and web server, shown as HTTPS in the address bar.

Question 4

What is network segmentation and why is it important?

Accepted Answer

Dividing a network into subnetworks to limit the spread of breaches

Answer

Network segmentation isolates parts of a network so a breach in one segment cannot easily spread to others, limiting attacker lateral movement.

Question 5

What type of attack overwhelms a server with traffic to make it unavailable?

Accepted Answer

Distributed Denial of Service (DDoS)

Answer

A DDoS attack floods a target with massive amounts of traffic from many sources, exhausting resources and causing service outages.

Cyber Security Jobs Practice Test